Order processing time: 3–5 business days
Monitor your aquarium's temperature with confidence using the Small Hygger Digital Thermometer HG073-S, a compact, accurate, and easy-to-read external aquarium thermometer designed for freshwater and saltwater fish tanks. Featuring a transparent LCD screen, advanced temperature-sensing technology, and convenient Celsius/Fahrenheit switching, this digital thermometer provides a simple way to monitor the temperature of your aquatic environment.
Designed with a high-precision aluminum alloy temperature sensor, the Hygger HG073-S measures temperatures from 32°F to 140°F (0°C to 60°C), with a manufacturer-rated measurement tolerance of ±0.5°C. Its compact, cordless design attaches directly to the outside of aquarium glass, eliminating the need for submerged probes, trailing wires, or bulky equipment inside your tank.
The HG073-S also features 24-hour minimum and maximum temperature records, helping aquarium owners identify temperature fluctuations that might otherwise go unnoticed. Powered by a replaceable button battery and supplied with a spare, this convenient thermometer offers practical temperature monitoring for tropical fish aquariums, planted tanks, shrimp aquariums, marine systems, and compatible reptile or amphibian enclosures.
Accurate Digital Temperature Monitoring: Manufacturer-rated measurement tolerance of ±0.5°C for dependable aquarium temperature checks.
Wide Temperature Measurement Range: Measures temperatures from 32°F to 140°F (0°C to 60°C).
Transparent LCD Display: Provides clear temperature readings without significantly obstructing your aquarium view.
24-Hour Minimum and Maximum Records: Displays the highest and lowest temperatures recorded during the previous 24 hours.
Compact Small-Size Design: Measures approximately 2.36 × 2.16 × 0.38 inches.
External Glass Installation: Attaches directly to the outside of aquarium glass without a submerged probe.
Cordless Operation: Eliminates trailing sensor cables and external power cords.
Celsius and Fahrenheit Display: Switch between °C and °F with a simple button press.
Advanced Aluminum Alloy Sensor: Designed for responsive temperature measurement through aquarium glass.
Easy Adhesive Installation: Uses an adhesive mounting pad for quick and convenient attachment.
Replaceable Button Battery: Convenient battery access from the front of the thermometer.
Spare Battery Included: Supplied with an additional button battery for future replacement.
Freshwater and Saltwater Compatibility: Suitable for monitoring a variety of aquarium environments.
Versatile Enclosure Monitoring: Can also be used on compatible glass reptile and amphibian enclosures.
Maintaining a suitable water temperature is an important part of aquarium care.
Fish, shrimp, aquatic plants, and other aquarium inhabitants depend on environmental conditions that match their individual requirements.
Temperature changes can affect fish activity, feeding behavior, metabolism, and overall aquarium stability.
The Hygger HG073-S provides a convenient way to monitor temperature without placing a separate electronic probe inside the aquarium.
Its advanced sensor detects temperature through the aquarium glass and displays the measurement on the LCD screen.
The HG073-S uses an aluminum alloy sensor combined with electronic temperature-monitoring technology.
Hygger specifies:
Temperature Range: 0°C to 60°C / 32°F to 140°F
Measurement Tolerance: ±0.5°C / ±0.5°F
Display Resolution: 0.1°C / 0.1°F
The digital display allows users to observe relatively small changes in temperature.
This makes the thermometer useful for routine monitoring and identifying possible temperature fluctuations.
Important: The thermometer measures temperature through the glass rather than using a submerged probe. Readings can be influenced by room temperature, glass thickness, sunlight, and nearby heating or cooling equipment.
One of the standout features of the Hygger HG073-S is its transparent LCD screen.
Unlike bulky traditional thermometers, the transparent display is designed to preserve visibility into the aquarium.
Its clean, minimalist appearance complements modern aquarium setups without distracting from fish, plants, and decorations.
The display shows:
Current aquarium temperature
Lowest recorded temperature within 24 hours
Highest recorded temperature within 24 hours
Selected temperature unit
The large current-temperature reading makes it easy to check the aquarium during routine observation.
The additional minimum and maximum readings provide useful information about temperature stability.
The Hygger HG073-S includes a convenient temperature memory feature that displays the lowest and highest temperatures recorded during the previous 24 hours.
This is especially useful for aquarium owners who want to monitor temperature changes throughout the day and night.
For example, an aquarium may become warmer during the afternoon because of room temperature or nearby sunlight.
Alternatively, water temperature may decrease overnight when the surrounding room becomes cooler.
By checking the minimum and maximum readings, aquarium owners can identify changes that might not be visible from a single current-temperature measurement.
Temperature history can help aquarium owners:
Identify daily temperature fluctuations
Evaluate aquarium heater performance
Monitor seasonal temperature changes
Detect unexpected cooling or warming
Compare daytime and nighttime conditions
Maintain a more consistent aquarium environment
The HG073-S is a monitoring device only. It does not automatically adjust aquarium heating or cooling equipment.
The Hygger HG073-S supports both Celsius and Fahrenheit temperature measurements.
This makes it convenient for aquarium owners who use different temperature scales.
Press the thermometer's button once to change between:
Celsius (°C)
Fahrenheit (°F)
The selected temperature unit appears on the display.
This simple control makes it easy to follow aquarium care guides and equipment recommendations that use different measurement systems.
The HG073-S is the small version of Hygger's HG073 external digital thermometer series.
Its compact size makes it especially suitable for aquarium owners who prefer a discreet temperature display.
Length: 2.36 inches / 6 cm
Width: 2.16 inches / 5.5 cm
Thickness: 0.38 inches / 1 cm
The slim design allows the thermometer to attach neatly to the outside of aquarium glass.
It is suitable for a variety of aquarium sizes because its function is to monitor temperature rather than heat or cool the water.
The small footprint is particularly useful for nano aquariums, desktop fish tanks, and aquariums with limited exterior mounting space.
The Hygger HG073-S is designed to attach directly to the outside of the aquarium.
Unlike traditional digital thermometers with separate underwater probes, the HG073-S does not require a sensor cable inside the tank.
This provides several advantages.
The cordless design eliminates unnecessary wires from the aquarium display.
This helps maintain a clean appearance, especially in aquascaped tanks.
The thermometer attaches to aquarium glass using an adhesive mounting pad.
No drilling, complicated wiring, or additional mounting hardware is required.
Because the thermometer remains outside the aquarium, users can inspect and operate it without putting their hands in the water.
The battery can also be accessed from the front of the unit.
Important: The HG073-S is not waterproof and must never be submerged.
The Hygger HG073-S operates using a replaceable 3V CR1625 button battery.
This battery-powered design eliminates the need for an electrical outlet or external power adapter.
The thermometer includes one installed battery and one spare battery.
The battery compartment can be accessed from the front of the thermometer.
This allows users to replace the battery without removing the entire thermometer from the aquarium glass.
Hygger recommends replacing the battery approximately every six months, depending on usage and battery condition.
If the LCD display becomes faint or difficult to read, check the battery and replace it when necessary.
Button batteries must be kept away from children and pets.
Swallowing a button battery can cause serious injury. Store spare and used batteries securely and dispose of them according to local regulations.
The Hygger HG073-S can be used to monitor temperature in both freshwater and saltwater aquarium environments.
Its external mounting design keeps the electronic components away from direct contact with aquarium water.
The thermometer is suitable for monitoring temperatures in tropical fish tanks, goldfish aquariums, planted aquariums, shrimp tanks, and other freshwater systems.
The HG073-S can also be used on marine fish tanks and reef aquariums.
It provides a convenient external temperature display without adding electronic equipment inside the water.
For marine applications, keep the thermometer protected from salt spray and excessive moisture.
The thermometer can also be used on suitable glass reptile and amphibian enclosures.
Always position the sensor where it can provide a meaningful temperature reading for the environment being monitored.
A stable temperature is important for aquarium inhabitants.
Different fish and aquatic species have different preferred temperature ranges, so aquarium owners should research the requirements of their livestock.
The Hygger HG073-S can help identify unexpected temperature changes, but it does not replace a heater thermostat, aquarium chiller, or dedicated temperature controller.
For aquariums containing temperature-sensitive livestock, consider using an independent thermometer to cross-check readings periodically.
If the temperature appears unusual, confirm the measurement before making major heating or cooling adjustments.
The Small Hygger Digital Thermometer HG073-S is suitable for:
Tropical freshwater aquariums
Saltwater fish aquariums
Reef aquariums
Betta fish tanks
Guppy and tetra aquariums
Goldfish aquariums
Shrimp aquariums
Planted freshwater aquariums
Nano aquariums
Desktop fish tanks
Community fish aquariums
Cichlid aquariums
Aquarium breeding systems
Quarantine and hospital tanks
Compatible glass reptile enclosures
Compatible amphibian enclosures
The thermometer is intended for external installation on suitable glass surfaces.
Unpack the thermometer: Remove the Hygger HG073-S, spare battery, and user manual from the packaging.
Inspect the unit: Confirm that the LCD screen, housing, and adhesive mounting area are undamaged.
Prepare the battery: Open the front cover and remove the battery insulation tab before first use.
Choose a mounting location: Select a clean, dry area on the outside of the aquarium glass.
Avoid heat sources: Do not place the thermometer directly beside a heater, in direct sunlight, or near an external cooling source.
Clean the glass: Wipe the mounting surface and allow it to dry completely.
Remove the adhesive backing: Peel the protective film from the mounting adhesive.
Attach the thermometer: Position the sensor against the glass and press gently to secure the unit.
Check the display: Confirm that the LCD screen is operating.
Select the temperature unit: Press the button to switch between Celsius and Fahrenheit.
Allow readings to stabilize: Give the sensor time to adjust to the aquarium glass temperature.
Monitor temperature: Check the current, minimum, and maximum readings regularly.
Replace the battery when necessary: Use the specified CR1625 battery for the HG073-S model.
For best results:
Install the thermometer on clean, dry aquarium glass.
Choose a location away from direct sunlight.
Avoid mounting immediately beside an aquarium heater.
Keep the sensor away from strong external drafts.
Do not place the thermometer on a wet or constantly splashed surface.
Allow the temperature reading to stabilize after installation.
Avoid moving the thermometer unnecessarily once attached.
The Hygger HG073-S requires minimal maintenance.
Wipe the exterior gently with a soft, dry cloth.
Keep the thermometer away from splashing water.
Do not submerge the device.
Avoid using chemical cleaners directly on the display.
Inspect the LCD screen periodically.
Replace the battery when the display becomes faint.
Use the correct battery type for the small model.
Keep the battery compartment securely closed.
Protect the thermometer from excessive heat and direct sunlight.
Do not attempt to disassemble the electronic sensor.
Keep button batteries away from children and pets.
Follow Hygger's operating instructions.
Display Is Blank
Check whether the battery insulation tab has been removed.
If necessary, inspect or replace the battery.
Display Is Faint
Replace the button battery with a compatible CR1625 battery.
Temperature Reading Seems Incorrect
Check the thermometer's mounting position.
Avoid direct sunlight, heater contact, or strong external temperature influences.
Allow the reading to stabilize and compare it with a second reliable thermometer if necessary.
Display Shows LL
The temperature is below the thermometer's specified measurement range.
Display Shows HH
The temperature is above the thermometer's specified measurement range.
Brand: Hygger
Product Name: Small Digital Aquarium Thermometer
Model: HG073-S
Series: HG073
Product Type: External Digital Aquarium Thermometer
Size Variant: Small
Display Type: Transparent LCD
Temperature Measurement Range: 0°C–60°C / 32°F–140°F
Manufacturer-Rated Measurement Tolerance: ±0.5°C / ±0.5°F
Display Resolution: 0.1°C / 0.1°F
Temperature Units: Celsius and Fahrenheit
Temperature History: 24-Hour Minimum and Maximum Readings
Sensor Type: Aluminum Alloy Temperature Sensor
Operating Style: Cordless, Battery-Powered
Battery Type: CR1625
Battery Voltage: 3V
Battery Quantity: 1 Installed Battery + 1 Spare Battery
Recommended Battery Replacement Interval: Approximately 6 Months
Product Dimensions: 2.36 × 2.16 × 0.38 inches
Metric Dimensions: 6 × 5.5 × 1 cm
Mounting Method: External Adhesive Glass Mounting
Waterproof: No
Submersible: No
Water Compatibility: Freshwater and Saltwater Aquariums
Additional Applications: Compatible Reptile and Amphibian Glass Enclosures
Primary Function: External Temperature Monitoring
Specifications are based on Hygger's HG073 user manual and product documentation. The HG073-S is the small model with 24-hour minimum and maximum temperature records. The larger HG073-L has additional configurable temperature-limit features and uses a different battery. Hygger's catalog and manual contain conflicting battery references; the HG073 user manual identifies CR1625 for the HG073-S.
1 × Hygger HG073-S Small Digital Aquarium Thermometer
1 × Installed CR1625 Button Battery
1 × Spare Button Battery
1 × User Manual
The thermometer includes an adhesive mounting system for external aquarium glass installation.
The Small Hygger Digital Thermometer HG073-S is an excellent choice for aquarium owners who want an accurate, compact, and easy-to-use temperature monitoring solution.
With its transparent LCD display, aluminum alloy temperature sensor, Celsius/Fahrenheit switching, 24-hour minimum and maximum temperature records, and cordless external mounting design, the HG073-S provides practical temperature information without cluttering the aquarium.
Its compact dimensions make it particularly suitable for nano aquariums and smaller fish tanks, while its wide measurement range allows it to be used in a variety of freshwater, saltwater, and compatible terrarium environments.
Order the Small Hygger Digital Thermometer HG073-S today and enjoy convenient, reliable temperature monitoring for your aquarium.
Order processing time: 3–5 business days
Monitor your aquarium's temperature with confidence using the Small Hygger Digital Thermometer HG073-S, a compact, accurate, and easy-to-read external aquarium thermometer designed for freshwater and saltwater fish tanks. Featuring a transparent LCD screen, advanced temperature-sensing technology, and convenient Celsius/Fahrenheit switching, this digital thermometer provides a simple way to monitor the temperature of your aquatic environment.
Designed with a high-precision aluminum alloy temperature sensor, the Hygger HG073-S measures temperatures from 32°F to 140°F (0°C to 60°C), with a manufacturer-rated measurement tolerance of ±0.5°C. Its compact, cordless design attaches directly to the outside of aquarium glass, eliminating the need for submerged probes, trailing wires, or bulky equipment inside your tank.
The HG073-S also features 24-hour minimum and maximum temperature records, helping aquarium owners identify temperature fluctuations that might otherwise go unnoticed. Powered by a replaceable button battery and supplied with a spare, this convenient thermometer offers practical temperature monitoring for tropical fish aquariums, planted tanks, shrimp aquariums, marine systems, and compatible reptile or amphibian enclosures.
Accurate Digital Temperature Monitoring: Manufacturer-rated measurement tolerance of ±0.5°C for dependable aquarium temperature checks.
Wide Temperature Measurement Range: Measures temperatures from 32°F to 140°F (0°C to 60°C).
Transparent LCD Display: Provides clear temperature readings without significantly obstructing your aquarium view.
24-Hour Minimum and Maximum Records: Displays the highest and lowest temperatures recorded during the previous 24 hours.
Compact Small-Size Design: Measures approximately 2.36 × 2.16 × 0.38 inches.
External Glass Installation: Attaches directly to the outside of aquarium glass without a submerged probe.
Cordless Operation: Eliminates trailing sensor cables and external power cords.
Celsius and Fahrenheit Display: Switch between °C and °F with a simple button press.
Advanced Aluminum Alloy Sensor: Designed for responsive temperature measurement through aquarium glass.
Easy Adhesive Installation: Uses an adhesive mounting pad for quick and convenient attachment.
Replaceable Button Battery: Convenient battery access from the front of the thermometer.
Spare Battery Included: Supplied with an additional button battery for future replacement.
Freshwater and Saltwater Compatibility: Suitable for monitoring a variety of aquarium environments.
Versatile Enclosure Monitoring: Can also be used on compatible glass reptile and amphibian enclosures.
Maintaining a suitable water temperature is an important part of aquarium care.
Fish, shrimp, aquatic plants, and other aquarium inhabitants depend on environmental conditions that match their individual requirements.
Temperature changes can affect fish activity, feeding behavior, metabolism, and overall aquarium stability.
The Hygger HG073-S provides a convenient way to monitor temperature without placing a separate electronic probe inside the aquarium.
Its advanced sensor detects temperature through the aquarium glass and displays the measurement on the LCD screen.
The HG073-S uses an aluminum alloy sensor combined with electronic temperature-monitoring technology.
Hygger specifies:
Temperature Range: 0°C to 60°C / 32°F to 140°F
Measurement Tolerance: ±0.5°C / ±0.5°F
Display Resolution: 0.1°C / 0.1°F
The digital display allows users to observe relatively small changes in temperature.
This makes the thermometer useful for routine monitoring and identifying possible temperature fluctuations.
Important: The thermometer measures temperature through the glass rather than using a submerged probe. Readings can be influenced by room temperature, glass thickness, sunlight, and nearby heating or cooling equipment.
One of the standout features of the Hygger HG073-S is its transparent LCD screen.
Unlike bulky traditional thermometers, the transparent display is designed to preserve visibility into the aquarium.
Its clean, minimalist appearance complements modern aquarium setups without distracting from fish, plants, and decorations.
The display shows:
Current aquarium temperature
Lowest recorded temperature within 24 hours
Highest recorded temperature within 24 hours
Selected temperature unit
The large current-temperature reading makes it easy to check the aquarium during routine observation.
The additional minimum and maximum readings provide useful information about temperature stability.
The Hygger HG073-S includes a convenient temperature memory feature that displays the lowest and highest temperatures recorded during the previous 24 hours.
This is especially useful for aquarium owners who want to monitor temperature changes throughout the day and night.
For example, an aquarium may become warmer during the afternoon because of room temperature or nearby sunlight.
Alternatively, water temperature may decrease overnight when the surrounding room becomes cooler.
By checking the minimum and maximum readings, aquarium owners can identify changes that might not be visible from a single current-temperature measurement.
Temperature history can help aquarium owners:
Identify daily temperature fluctuations
Evaluate aquarium heater performance
Monitor seasonal temperature changes
Detect unexpected cooling or warming
Compare daytime and nighttime conditions
Maintain a more consistent aquarium environment
The HG073-S is a monitoring device only. It does not automatically adjust aquarium heating or cooling equipment.
The Hygger HG073-S supports both Celsius and Fahrenheit temperature measurements.
This makes it convenient for aquarium owners who use different temperature scales.
Press the thermometer's button once to change between:
Celsius (°C)
Fahrenheit (°F)
The selected temperature unit appears on the display.
This simple control makes it easy to follow aquarium care guides and equipment recommendations that use different measurement systems.
The HG073-S is the small version of Hygger's HG073 external digital thermometer series.
Its compact size makes it especially suitable for aquarium owners who prefer a discreet temperature display.
Length: 2.36 inches / 6 cm
Width: 2.16 inches / 5.5 cm
Thickness: 0.38 inches / 1 cm
The slim design allows the thermometer to attach neatly to the outside of aquarium glass.
It is suitable for a variety of aquarium sizes because its function is to monitor temperature rather than heat or cool the water.
The small footprint is particularly useful for nano aquariums, desktop fish tanks, and aquariums with limited exterior mounting space.
The Hygger HG073-S is designed to attach directly to the outside of the aquarium.
Unlike traditional digital thermometers with separate underwater probes, the HG073-S does not require a sensor cable inside the tank.
This provides several advantages.
The cordless design eliminates unnecessary wires from the aquarium display.
This helps maintain a clean appearance, especially in aquascaped tanks.
The thermometer attaches to aquarium glass using an adhesive mounting pad.
No drilling, complicated wiring, or additional mounting hardware is required.
Because the thermometer remains outside the aquarium, users can inspect and operate it without putting their hands in the water.
The battery can also be accessed from the front of the unit.
Important: The HG073-S is not waterproof and must never be submerged.
The Hygger HG073-S operates using a replaceable 3V CR1625 button battery.
This battery-powered design eliminates the need for an electrical outlet or external power adapter.
The thermometer includes one installed battery and one spare battery.
The battery compartment can be accessed from the front of the thermometer.
This allows users to replace the battery without removing the entire thermometer from the aquarium glass.
Hygger recommends replacing the battery approximately every six months, depending on usage and battery condition.
If the LCD display becomes faint or difficult to read, check the battery and replace it when necessary.
Button batteries must be kept away from children and pets.
Swallowing a button battery can cause serious injury. Store spare and used batteries securely and dispose of them according to local regulations.
The Hygger HG073-S can be used to monitor temperature in both freshwater and saltwater aquarium environments.
Its external mounting design keeps the electronic components away from direct contact with aquarium water.
The thermometer is suitable for monitoring temperatures in tropical fish tanks, goldfish aquariums, planted aquariums, shrimp tanks, and other freshwater systems.
The HG073-S can also be used on marine fish tanks and reef aquariums.
It provides a convenient external temperature display without adding electronic equipment inside the water.
For marine applications, keep the thermometer protected from salt spray and excessive moisture.
The thermometer can also be used on suitable glass reptile and amphibian enclosures.
Always position the sensor where it can provide a meaningful temperature reading for the environment being monitored.
A stable temperature is important for aquarium inhabitants.
Different fish and aquatic species have different preferred temperature ranges, so aquarium owners should research the requirements of their livestock.
The Hygger HG073-S can help identify unexpected temperature changes, but it does not replace a heater thermostat, aquarium chiller, or dedicated temperature controller.
For aquariums containing temperature-sensitive livestock, consider using an independent thermometer to cross-check readings periodically.
If the temperature appears unusual, confirm the measurement before making major heating or cooling adjustments.
The Small Hygger Digital Thermometer HG073-S is suitable for:
Tropical freshwater aquariums
Saltwater fish aquariums
Reef aquariums
Betta fish tanks
Guppy and tetra aquariums
Goldfish aquariums
Shrimp aquariums
Planted freshwater aquariums
Nano aquariums
Desktop fish tanks
Community fish aquariums
Cichlid aquariums
Aquarium breeding systems
Quarantine and hospital tanks
Compatible glass reptile enclosures
Compatible amphibian enclosures
The thermometer is intended for external installation on suitable glass surfaces.
Unpack the thermometer: Remove the Hygger HG073-S, spare battery, and user manual from the packaging.
Inspect the unit: Confirm that the LCD screen, housing, and adhesive mounting area are undamaged.
Prepare the battery: Open the front cover and remove the battery insulation tab before first use.
Choose a mounting location: Select a clean, dry area on the outside of the aquarium glass.
Avoid heat sources: Do not place the thermometer directly beside a heater, in direct sunlight, or near an external cooling source.
Clean the glass: Wipe the mounting surface and allow it to dry completely.
Remove the adhesive backing: Peel the protective film from the mounting adhesive.
Attach the thermometer: Position the sensor against the glass and press gently to secure the unit.
Check the display: Confirm that the LCD screen is operating.
Select the temperature unit: Press the button to switch between Celsius and Fahrenheit.
Allow readings to stabilize: Give the sensor time to adjust to the aquarium glass temperature.
Monitor temperature: Check the current, minimum, and maximum readings regularly.
Replace the battery when necessary: Use the specified CR1625 battery for the HG073-S model.
For best results:
Install the thermometer on clean, dry aquarium glass.
Choose a location away from direct sunlight.
Avoid mounting immediately beside an aquarium heater.
Keep the sensor away from strong external drafts.
Do not place the thermometer on a wet or constantly splashed surface.
Allow the temperature reading to stabilize after installation.
Avoid moving the thermometer unnecessarily once attached.
The Hygger HG073-S requires minimal maintenance.
Wipe the exterior gently with a soft, dry cloth.
Keep the thermometer away from splashing water.
Do not submerge the device.
Avoid using chemical cleaners directly on the display.
Inspect the LCD screen periodically.
Replace the battery when the display becomes faint.
Use the correct battery type for the small model.
Keep the battery compartment securely closed.
Protect the thermometer from excessive heat and direct sunlight.
Do not attempt to disassemble the electronic sensor.
Keep button batteries away from children and pets.
Follow Hygger's operating instructions.
Display Is Blank
Check whether the battery insulation tab has been removed.
If necessary, inspect or replace the battery.
Display Is Faint
Replace the button battery with a compatible CR1625 battery.
Temperature Reading Seems Incorrect
Check the thermometer's mounting position.
Avoid direct sunlight, heater contact, or strong external temperature influences.
Allow the reading to stabilize and compare it with a second reliable thermometer if necessary.
Display Shows LL
The temperature is below the thermometer's specified measurement range.
Display Shows HH
The temperature is above the thermometer's specified measurement range.
Brand: Hygger
Product Name: Small Digital Aquarium Thermometer
Model: HG073-S
Series: HG073
Product Type: External Digital Aquarium Thermometer
Size Variant: Small
Display Type: Transparent LCD
Temperature Measurement Range: 0°C–60°C / 32°F–140°F
Manufacturer-Rated Measurement Tolerance: ±0.5°C / ±0.5°F
Display Resolution: 0.1°C / 0.1°F
Temperature Units: Celsius and Fahrenheit
Temperature History: 24-Hour Minimum and Maximum Readings
Sensor Type: Aluminum Alloy Temperature Sensor
Operating Style: Cordless, Battery-Powered
Battery Type: CR1625
Battery Voltage: 3V
Battery Quantity: 1 Installed Battery + 1 Spare Battery
Recommended Battery Replacement Interval: Approximately 6 Months
Product Dimensions: 2.36 × 2.16 × 0.38 inches
Metric Dimensions: 6 × 5.5 × 1 cm
Mounting Method: External Adhesive Glass Mounting
Waterproof: No
Submersible: No
Water Compatibility: Freshwater and Saltwater Aquariums
Additional Applications: Compatible Reptile and Amphibian Glass Enclosures
Primary Function: External Temperature Monitoring
Specifications are based on Hygger's HG073 user manual and product documentation. The HG073-S is the small model with 24-hour minimum and maximum temperature records. The larger HG073-L has additional configurable temperature-limit features and uses a different battery. Hygger's catalog and manual contain conflicting battery references; the HG073 user manual identifies CR1625 for the HG073-S.
1 × Hygger HG073-S Small Digital Aquarium Thermometer
1 × Installed CR1625 Button Battery
1 × Spare Button Battery
1 × User Manual
The thermometer includes an adhesive mounting system for external aquarium glass installation.
The Small Hygger Digital Thermometer HG073-S is an excellent choice for aquarium owners who want an accurate, compact, and easy-to-use temperature monitoring solution.
With its transparent LCD display, aluminum alloy temperature sensor, Celsius/Fahrenheit switching, 24-hour minimum and maximum temperature records, and cordless external mounting design, the HG073-S provides practical temperature information without cluttering the aquarium.
Its compact dimensions make it particularly suitable for nano aquariums and smaller fish tanks, while its wide measurement range allows it to be used in a variety of freshwater, saltwater, and compatible terrarium environments.
Order the Small Hygger Digital Thermometer HG073-S today and enjoy convenient, reliable temperature monitoring for your aquarium.
