High Accuracy Thermo-Hygrometer

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DT-625 High Accuracy Thermo-Hygrometer

Model No. Product Name Price Qty
AHTD-625 High Accuracy Thermo-Hygrometer
ACAL-HT Calibration Service + Certificate
AUKAS-HT UKAS Calibration Service + Certificate
ATP-1220R Instrument Tripod
ALR-61 PP3 Alkaline Battery 9V

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ISO 9000 & Other Quality Systems

Ensure you conform to the Control of Inspection, Measuring & Test Equipment by ordering your unit with calibration. All of our humidity meters are available with UKAS and traceable calibration options.

A high accuracy combined humidity & air temperature meter with wet bulb and dewpoint temperatures. Ideal for a wide range of industrial and laboratory applications. Suitable for single handed operation.

  • -30°C to 100°C x 0.1°­ 
  • 0 to 100%RH x 0.1%
  • Displays temperature in °C or °F
  • Dew point & wet bulb temperatures displayed at the touch of a button
  • Sampling rate of 2.5 samples per second
  • 43mm LCD dual display with backlight
  • Connected probe with 1.8m coiled cable
  • Probe mounting clip allows single-handed use
  • Data hold freezes displayed measurements
  • Min/max memory for both temperature and humidity
  • Low battery indication
  • Auto power off – adjustable from 1 to 120 minutes, can be user disabled
  • Impact-resistant ABS case with rubber boot and flip-out desk stand
  • Supplied with carry bag & strap, rubber boot and battery

Product Video

Product Manual

Download the Product Manual

Technical Specification

Technical Specification
  Temperature Humidity Dewpoint Wet Bulb
Range -30° to 100°C
0 to 100% RH
-30° to 100°C
0° to 80°C
Resolution 0.1°C
0.1%RH 0.1°C 0.1°C
Accuracy ±0.5°C at 25°C
±0.8°C (outside of 25°C)
±2%RH (20% to 80%)
±2.5%RH (outside of 20% to 80%)
±1°C ±1°C
Power 1 x 9V PP3 alkaline battery (ALR-61)
Dimensions 155 x 72 x 35mm
Weight 210g

Calibration Options

Find out more about our Humidity Meter Calibration Services including our free Recall service to ensure you never miss a re-calibration date.

Traceable Calibration
Issued at: 2 temp & 2 RH points - +£80.00
20°C & 30°C / 35% & 75%RH @ 20°C
Additional Points +£5.00 from -10°C to 50°C
or +£15.00 from 30%RH to 95%RH
UKAS Calibration
Issued at: 2 temp & 2 RH points - +£114.00
20°C & 30°C / 35% & 75%RH @ 20°C
Additional Points: +£10.00 from 5°C to 50°C
+£25.00 from 25%RH to 95%RH

Product options

Calibration Service + Certificate
UKAS Calibration Service + Certificate