General Tools and Instruments HT50 v.2 - Manual (Page 5)

HT50 USB 温湿度仪中文说明书 V1.1
HT50 USB Humidity and Temperature Data Logger Manual V1.1
5 7/26/2012
6. Operation Notes
1. Keep the device away from vibration source and high power EMF places. The ambient
temperature should be stable.
2. To avoid damages to the instrument, do not use it near following places
a．EMF places（Electro-magnetic fields: such as arc welders, induction heaters）
b．High temperature objects
c．Static environment
Operation Environment
1. Working Temperature: -20℃~70℃
2. Working Humidity: 0-100%RH
3. Air pressure: standard air pressure
4. Avoid intense magnetic field
Technical Specifications
Product name USB Humidity and Temperature Data Logger with
Build-in IRT
Model HT50
Structure
Dimension 125Ч43Ч24mm
Display LCD
Material ABS engineering plastic housing, safe and reliable
Temperature
Range -20℃~70℃
Resolution 0.1
℃
Precision ±0.3
℃
Humidity
Range 0-100%RH
Resolution 0.1%RH
Precision
±2%RH (10-90%RH)；±3%RH (0-10%RH、
90-100%RH)
IRT
Temperature
Range -20℃~250℃
Resolution 0.1℃
Precision ±3℃
Max laser output power <1mW
Laser wavelength 630-660nm
D:S 2:1
Emissivity 0.95