TEMPERATURE AND HUMIDITY METER

User manual of Hygrothermograph

The Hygrothermograph is a versatile Temperature and Humidity Meter, featuring a -10°C to 70°C range, ±1°C accuracy, and a 10%RH-99%RH humidity range. It includes clock, alarm, calendar, and memory functions.

Hygrothermograph: Accurate temperature and humidity meter with clock, alarm, and memory functions. Measures -10°C to 70°C, 10%RH-99%RH with high precision.

Product Specification

• Temperature Measuring Range: -10%~70°C (14°F~158°F)
• Temperature Measuring Accuracy: ±1°C(1.8°F)
• Temperature Resolution: 0.1°C(0.2°F)
• Humanity Measuring Range 10%RH-99%RH
• Humanity Measuring Accuracy: ± 5%RH
• Humanity Resolution: 1 %
• Used Battery: AAA1.5V

Basic Function

• Temperature/Humidity Display
• °C/°F Temperature Switch Display
• Maximum/Minimum Temperature and Humidity Memory Function
• 12/24 Hourly Clock
• Hourly Chime Function
• Daily Alarm Function
• Calendar Display Function

Operation Method

1. Burst through the battery door according to the indicated direction in the product back and take out the separator, and then put this battery door in the back, this product then can be used.
2. Key Function:

[MODE] is to switch clock and alarm clock display modes and set current time, alarm time, 12 or 24-hour system and date.

[ADJ] is to adjust values of set items;

[MEMORY] is to display maximum & minimum humidity and temperature values in memory, and remove memorized maximum and minimum temperature and humidity values.

[°C/°F] is to switch temperature unit to display temperature in °C (degree Celsius) or in °F (degree Fahrenheit)

3. Under the original state, press the [Mode] key for 2 seconds to make the minute value in current time begin to twinkle, and press [ADJ] key to adjust minute number, and continuously press the [MODE] key to respectively set “Clock”, “2/24”, “Month (M)” and “Day (D)”.
4. Under the current clock mode (two points between clock and minute twinkle one time per minute), press the [MODE] on time to switch display as clock mode (two points between clock and minute don’t twinkle), and now press [ADJ] key to switch on and off of “Quarter Bell (Alarm)” function/ “hourly chime” function. Press [MODE] key for another two seconds to set alarm time, and meanwhile, start “Hourly Chime” function, sign appears.
5. Under alarm clock mode, automatically get back current clock in one minute in case of no any operation and press the [ADJ] key one time to switch to calendar display, and automatically return to current clock after three seconds; press MAX/MIN key to display maximum value of temperature/humidity since last clear(CLEAR).
6. Press [MEMORY] key to display memorized maximum (MAX) and minimum (MIN) values of temperature/humidity, and press [MEMORY] key for more than two seconds to memorize maximum/minimum value.

Matters needing attention

1. If the machine is defective, reinstall the battery.
2. After the use of the battery, please put it back to the designated location of the government.