High Accuracy Thermo-Hygrometer with Dew Point & Wet Bulb



A high accuracy combined humidity and air temperature meter with wet bulb and dew point temperatures. This meter is ideal for a wide range of industrial and laboratory applications.

  • -35° to 100°C x 0.1°
    0% to 100%RH x 0.1%
  • Displays temperature in °C or °F
  • Dew point and wet bulb temperatures displayed at the touch of a button
  • Simultaneous display of humidity and temperature readings
  • Sampling rate of 2 times per second
  • 55mm LCD dual display with backlight
  • Connected probe with 2m coiled cable
  • Data hold freezes displayed measurements
  • Min/max memory for temperature, humidity, dew point and wet bulb
  • Low battery indication
  • Auto power off after approx. 15 minutes of no activity
  • Impact-resistant ABS case with rubber moulded grip and tripod mount bush
  • Supplied with a soft carry case and battery

Technical Specification

  Temperature Humidity Dew Point Wet Bulb
Range -35° to +100°C 0% to 100% RH -35° to 100°C 0 to 80°C
Resolution 0.1°C 0.1% RH 0.1°C 0.1°C
Accuracy ±0.5°C (-10° to +70°C)
±1°C (others)
±2%RH (40 to 60%RH)
±3%RH (20 to 40%RH)
±3%RH (60 to 80%RH)
±4%RH (0 to 20%RH)
±4%RH (80 to 100%RH)
±1°C ±1°C
Power 1 x 9V PP3 alkaline battery (LR-61)
Dimensions 185 x 66 x 33mm
Weight 237g

Calibration Options

A traceable calibration service can be purchased for this unit. Once the Service has been performed a certificate of calibration is produced and dispatched with your order. Calibration Services are performed on receipt of your order and as such will delay shipping. Details and options are outlined below.

Traceable Calibration (Temperature / Humidity)
CAL-HT £80.00
2 x Temp; 20°C & 30°C
2 x %RH; 35% & 75% @ 20°C
CAL-HT3 £88.00
2 x Temp; 20°C & 30°C
3 x %RH; 35%, 55% & 75% @ 20°C
Additional Points available from 
0°C to 50°C / 30% to 95%RH
+£5.00 per additional temperature point
+15.00 per additional humidity point 
UKAS Calibration (Temperature / Humidity)
Issued at 4 points: 20°C & 30°C (Temp)
35% & 75% @ 20°C (Humidity)
Additional points available from: 5°C to 50°C / 25% to 95%RH
Price: £116.40
+£10.00 per additional temperature point
+25.00 per additional humidity point 

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