Hygrothermograph HTC-2

Specifications:

• Temperature measuring range: -10 - + 50ºC (-14 - + 122ºF)
• Temperature measuring accuracy: ± 1Cº (1.8ºF)
• Humidity measuring range: 10-99% R.H.
• Humidity measuring accuracy: ± 5% R.H.
• battery: 1pc. AAA 1.5V (included)

Operation method:

1. Insert battery.
2. Key function [MODE] is to switch clock and alarm clock display modes and set current time, alarm time, 12 or 24 hourly system and date; [ADJ] is to adjust values of set items: [MEMORY] is to display maximum and minimum humidity and temperature values in memory and remove memorized max/min humidity and temperature values; [ºC/ºF] is to switch temperature unit to display temperature in ºC (degree Celsius) or in ºF (Fahrenheit).
3. Under original state, press [MODE] key for 2 seconds to make minute value in current time begin to twinkle and press [ADJ] key to adjust minute number and continuously press [MODE] key to respectively set "Clock", "12/24", "Month (M)" and "Day (D)".
4. Under current clock mode (two points between clock and minute twinkle one time per minute), press [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 "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[ADJ] key one time to switch to calendar display and automatically return to current clock after three seconds; press MAX/MIN keys to display maximum or minimum 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 memorized max/min values.