Precision Thermo-Hygrometer

SKU: AHT-8892


This precision thermo-hygrometer is a compact, easy-to-use, robust instrument for fast, accurate and repeatable measurements of absolute and relative humidity, air temperature, dew point and wet bulb temperatures. It is ideal for single handed operation when taking measurements in air stream. Suitable for monitoring air conditioning and heating system ducts, controlled environments, storage areas and other critical areas.

  • -30° to 100°C x 0.1°, 0% to 100%RH x 0.1%
  • Displays temperature in °C or °F
  • Displays humidity as %RH, absolute as grams per cubic meter(g/m³) or grains per cubic foot(gr/ft³)
  • Wet bulb and dew point measurements
  • Simultaneous display of humidity and temperature readings
  • 56mm LCD display with backlight
  • Data hold freezes displayed measurements
  • Min/max memory for both temperature and humidity
  • Low battery indication
  • Auto power off after 10 minutes of no activity – can be user disabled
  • Impact-resistant ABS case with rubber moulded grip and tripod mount bush
  • Supplied with briefcase style carry case and battery
  • 2 year warranty

Technical Specification

  Temperature Humidity Absolute
Range -30° to +100°C 0% to 100% RH 0 to 500g/m³
Resolution 0.1°C 0.1% RH
Accuracy ±1°C (-20° to +60°C)
±1.5°C (others)
±2%RH (40% to 60% RH)
±3%RH (others) 

Power 1 x 9V PP3 alkaline battery (LR-61)
Dimensions 300 x 75 x 50mm
Weight 400g

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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