Microcomputer Temperature Humidity Controller Temperature measuring calibration

Description:
This digital humidity control controller HP1028  is with wide humidity measuring range and controlling range, comes with a humidity controller sensor probe with cable and a temperature sensor probe with cable. 

Technical parameters:
A. 1.Working Voltage: 230VAC±10%  50/60Hz; Power consumption: ≤2W
     2.Humidity Measure Range: 1%~99% ;Measurement error:3%
     3.Humidity Control Range: 1%~99%;  Humidity Control accurancy: 1%;Resolution: 1%;
     4.Humidity Probe: NTC 25ºC=10K B3435  ±1%,with 1.5 meters long
    5.Load Outpu: 1 Relay, Normally open contact 10A/250VAC
    6. Working Environment: Temperature:-40ºC~85ºC ; Himidity: 90%RH without condensation
    7. Overall Size: 75(W)x35(H)x82(D)mm
    8. Hole Size: 71(W)x29(H)mm

B. Indicator Status Description