HTC-1 high-precision large screen indoor electronic temperature and humidity meter, household thermometer and humidity meter with alarm clock
AAA 1.5V 1 section
HTC-1 Temperature and Humidity Meter User Manual
Product specifications:
Temperature measurement range: -50 ℃~70 ℃
Temperature measurement accuracy: approximately ± 1.0 ℃ (1.8 oF)
Temperature resolution: 0.1 ℃ (0.2 oF)
Humidity measurement range: 10% RH~90% RH.
Humidity measurement accuracy: ± 5% (30% -70%) ± 7% (other)
This needs to be explained, which means that in a room that is quite dry and has almost no humidity, its error is also significant
It will increase, and unlike temperature, humidity can be precise to about 1 degree positive or negative. Even in the laboratory, it cannot be done, this baby
For household humidity measurement, it is sufficient and much more accurate than the one carried on a humidifier! If humidity is affected
There are special high requirements! Please let me know, there is a more accurate hygrometer available, priced around 200 yuan! This is just home
Yes, it will tell us whether indoor humidification or dehumidification is necessary. As the guardian angel of your healthy living room, it is
Very competent!
Basic functions:
Temperature/humidity display
℃/oF temperature switching display
Maximum/minimum humidity memory function
12/24 hour clock
Hourly chime function
Daily alarm function
Calendar display function
Operation method:
1. Push open the battery door in the direction indicated on the back of the device, remove the battery compartment, and then reinstall the battery door. The device is ready to use.
2. Button function: (MODE) Switch clock and alarm display mode/Set current time, alarm, 12 or 24
Adjust the values of the assigned items based on hourly and date (ADJ) systems; (MEMORY) Display the highest memory/
The lowest humidity value/the highest/lowest humidity value cleared from memory; (℃/oF) Switching temperature units in ℃
(Celsius) or oF (Fahrenheit) display; (RESET) Clear all set/memory values and return to the initial state
Status.
3. Press and hold (MODE) for 1 second in the initial state, and the minutes of the current time will start flashing. Press (ADJ) to
To adjust the minutes, press (MODE) continuously to set "clock", "12/24", and "month" respectively
(M) "Day (D)"
4. In the current clock mode, (the two points between the clock and minute flash once per second) switch is displayed as an alarm
Clock mode (the two dots between the clock and minute do not flash), pressing (ADJ) at this time can switch to "alarm clock"
To turn on and off the (Alarm) function/"hourly alarm" () function, press and hold (MODE) for 2 seconds to set it
Set the alarm time and activate the "hour and hour" function, and the () symbol will appear.
5. In alarm mode, if there is no operation, it will automatically return to the current clock after one minute. Press once at this time
(ADJ) Switch to calendar display, automatically return to current clock after 3 seconds, press MAX/MIN button to display temperature/humidity
The maximum value since the last clear.
6. Press (MEMORY) to display the maximum and minimum values of temperature/humidity that have been memorized. Press and hold
(MEMORY) The maximum/minimum value that can be cleared from memory for more than 2 seconds.
Notes:
1. When using/replacing the battery for the first time, please press RESET once (on the back of the machine);
2. If there is any malfunction with the device, please press (RESET) once
3. Please replace the battery after use.