Hygrometer Thermometer with Clock & Alarm

Save $18.96

$14.99 $33.95


The HTC-1 displays Current temperature, relative humidity, and current time - all at once on a large numeral LCD display.

The unit also offers the current Date and Day at the push of button, along with Max and Min temperature readings, perfect for home or office.


  • Large LCD Display shows Temp, Humidity & Time at same time. Total LCD size: 80 x 60 mm
  • Temperature and Humidity displayed in HUGE 1" high numbers.
  • MAX / MIN Humidity & Temperature are recorded automatically and can be reset by user
  • Fahrenheit or Celsius readout (changeable by selecting F or C on back)
  • 12 or 24 hour time modes (changeable by using MODE & ADJ button to set)
  • ALARM function
  • MONTH & DAY display available by pushing ADJ button
  • Integrated back stand for desktop or table use OR hanging hole for wall mounting
  • Power: ONE standard AAA 1.5v Battery

Product Specifications:

Temperature Range: —10°C to +70°C (14F to +158F)

Temperature Accuracy: ± 1°C (1.8°F)    

Temperature Resolution: 0.1°C (0.2°F)

Humidity Range: 10%RH to 99%RH       

Humidity Accuracy: ± 5%RH   

Humidity Resolution: 1% Battery: (1) AAA 1.5V battery required.  

Basic Functions        

Clock (12 or 24 hour) display

Temperature CC or T) display

Humidity display

Calendar display

Minimum/maximum temperature and humidity display

Quarter bell with hourly chime function


  1. Keys

[MODE] Display alarm / Set current date and time, set alarm clock, change between 12 and 24 hour time display,

[ADJ] Display calendar / adjust values.

[MEMORY] Display daily maximum/minimum temperature and humidity values from memory. Set new values into memory.

[RESET] Remove all values from memory, resets the device to original factory state.


  1. Initial setup and Clock mode:

Open the battery door on the back of the device as directed. Insert battery and replace door. Power the device on for the first time. Press the [RESET] key once. Hold [MODE] key for 2 seconds, the minute display will begin to flash, press [ADJ] to cycle minute display ahead by one minute for each press. Press [MODE] again and hour display will begin to flash. Set as above. Press [MODE] again to adjust 12/24 hour time display. Press [MODE] again to change month display, then press [MODE] again to change day display. Hold [MODE] for 2 seconds at any time to exit clock setting mode and return to the main clock display. 

  1. Quarter bell mode:

On clock display, Press [MODE] one time, then press [ADJ] to turn the " " on and off. On " " display mode, hold [MODE] for 2 Seconds to change quarter bell time, the minute display will begin to flash, press [ADJ] to cycle minute display ahead by one minute for each press.... Press [MODE] again and hour display will begin to flash. Set as above. Press [MODE] two times, end of the set.

Hourly chime mode:

On clock display, press [MODE] once to set hourly chime function, press [ADJ] to turn the "Alarm" on and off. Press [MODE] once, end of the set.

  1. Calendar mode:

Press [MEMORY] key once to view maximum/minimum temperature and humidity values for current date. Hold [MEMORY] key for 2 seconds to clear current values from memory. The device will automatically return to clock mode after 1 minute.


  1. Press the [RESET] key after changing the battery.
  2. Press the [RESET] key to reset the device if is not working properly or encounters any errors.
  3. Please dispose discharged batteries responsibly and in accordance with law.
Packing list:
  • 1 x HTC -1 meter
  • 1 x AAA 1.5v Battery

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