HTM-49 Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew point and Wet-bulb Temperature range -20~70°C, Humidity range 0~100%RH, Min/Max Hold, LCD Backlight


Model: HTM-49 

A compact, portable Temperature and Humidity meter that features a fresh looking interface appearance and highlights high precision and a low power consumption.

A perfect tool for use in factories, laboratory, logistics, food staff, air-conditioning industries for monitoring of the surrounding changes. 


  • MAX and MIN Reading
  • Data Hold
  • LCD Backlight
  • Switch the units: °C/DP/WB/°F
  • Automatic Power Off 


  • Temperature
    • Temperature range: -20~70°C(-4~158°F)
    • Temperature accuracy: ±1%°C between 5~50°C(41~122°F)
    • Precision of temperature: ±1°C 
  • Humidity
    • Humidity range: 0~100%RH
    • Humidity accuracy: ±0.4%RH(25°C(77°F)/10%RH~90%RH), Full range accuracy is ±5%RH Precision of relative humidity: ±4%RH 
  • Dew point and Wet-bulb
    • Dew point & wet-bulb range:-20~50°C
    • Dew point & wet-bulb: ±2%°C(5~50°C(41~122°F)/10~90%RH)
    • Precision of dew point & wet-bulb: ±2°C 
  • Maximum response time: 30s
  • Power supply: 3 x 1.5V AAA Battery
  • Item Weight: 136 grams
  • Product Dimensions: 2.2 x 7 x 1.2 inches
  • Shipping Weight: 209 grams
  • Shipping Dimensions: 8.7 x 4.7 x 1.8 inches 


  • 1 x Humidity & Temperature Meter
  • 1 x English User Manual
  • 3 x AAA Battery