Thermohygrometers

A hygrometer measures the humidity and water vapour in the air. A thermohygrometer measures both humidity and temperature.

Within a volume of air, the maximum amount of water vapour it can hold varies greatly by temperature with cold air holding a fraction of what warmer air will. Most moisture meters use temperature to give the relative humidity (RH) for a particular temperature and display it as a percentage. Most models have a built-in digital LCD display but there are several which use an analogue readout, these are primarily for continuous monitoring.

These instruments all feature built-in displays and some offer features such as datalogging, web bulb temperature or dewpoint.

RS offers a range of thermo-hygrometers, many of which can be calibrated to UCAS or RS Calibration standards to ensure accurate measurements.


What are thermohygrometers used for?


Primarily, thermo-hygrometers are used to test HVAC systems and office environments. They often feature a probe which can be inserted through an air-conditioning duct to get readings from within the ducting.


What's the difference between a thermo hygrometer and a moisture meter?


A hygrometer measures the moister in the air and a moisture meter measures the moisture within a material such as wood, paper or stud walls.


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Description Price Absolute Maximum Temperature Measurement Maximum Humidity Measurement Best Temperature Measurement Accuracy Temperature Measurement Resolution Best Humidity Measurement Accuracy Humidity Measurement Resolution Dewpoint Measurement Meter Type Calibrated Interface Type Printer Functions Power Source Battery Type
RS Stock No. 127-8297
BrandRS PRO
€288.07
Each
units
+100 °C, +212 °F 100%RH ±0.4 °C, ±0.8 °F 0.1 °C, 0.1 °F ±3 %RH 0.1%RH Yes Handheld - USB - Alarm, Comparator, Data Hold Battery 006P 9V, NEDA 1604
RS Stock No. 123-2232
BrandRS PRO
€396.00
Each
units
+1333 (Type2) °C, +140 (Type1) °F, +2431 (Type2) °F, +60 (Type1) °C 95%RH ±0.1 %, ±0.8 °C, ±1.5 °F 0.1 °F, 0.1 °C ±3 %RH - Yes Handheld - - Yes Dew Point, Hold, Maximum & Minimum Display Battery AAA
RS Stock No. 165-1486
BrandRS PRO
€15.65
Each
units
+60°C 80%RH ±5 % - ±5 % - - Analogue - - - Measuring - -
RS Stock No. 725-0845
Mfr. Part No.FLUKE-971
BrandFluke
€383.72
Each
units
+60°C 95%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes Handheld RSCAL - - Record Battery AAA
RS Stock No. 724-4193
Mfr. Part No.FLUKE-971
BrandFluke
€266.00
Each
units
+60°C 95%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes Handheld - - - Record Battery AAA
RS Stock No. 192-6511
Mfr. Part No.0560 6081
BrandTesto
€186.72
Each
units
+50°C 95%RH ±0.5 + 1 Digit °C 0.1°C ±3 %RH 0.1%RH Yes Digital RSCAL - - - Battery 9V
RS Stock No. 412-3062
Mfr. Part No.0560 6081
BrandTesto
€69.00
Each
units
+50°C 95%RH ±0.5 + 1 Digit °C 0.1°C ±3 %RH 0.1%RH Yes Digital - - - - Battery 9V
New
RS Stock No. 200-5033
Mfr. Part No.0560 6081
BrandTesto
€253.15
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 200-5034
Mfr. Part No.0560 6082
BrandTesto
€284.15
Each
units
- - - - - - - - - - - - - -
RS Stock No. 192-6512
Mfr. Part No.0560 6082
BrandTesto
€217.72
Each
units
+70°C 98%RH ±0.5 + 1 Digit °C 0.1°C ±2 %RH 0.1%RH Yes Digital RSCAL - - - Battery 9V
RS Stock No. 420-7261
Mfr. Part No.0560 6082
BrandTesto
€100.00
Each
units
+70°C 98%RH ±0.5 + 1 Digit °C 0.1°C ±2 %RH 0.1%RH Yes Digital - - - - Battery 9V
RS Stock No. 192-6506
Mfr. Part No.0560 0610
BrandTesto
€237.72
Each
units
+50°C 100%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes - RSCAL - - Hold Battery AAA
RS Stock No. 292-357
Mfr. Part No.0560 0610
BrandTesto
€120.00
Each
units
+50°C 100%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes - - - - Hold Battery AAA
RS Stock No. 192-6507
Mfr. Part No.0560 0610
BrandTesto
€337.50
Each
units
+50°C 100%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes - UKAS - - Hold Battery AAA
RS Stock No. 266-1893
Mfr. Part No.MS-7000
BrandLutron
€219.77
Each
units
- - - - - - - - - - - - Battery 9V
RS Stock No. 725-2356
Mfr. Part No.HygroPalm HP21
€420.72
Each
units
+60°C 100%RH ±0.2 °C 0.01K ±1 %RH 1%RH Yes Handheld RSCAL USB - Alarm, Data Logging Battery 9V
RS Stock No. 725-9521
Mfr. Part No.HygroPalm HP21
€303.00
Each
units
+60°C 100%RH ±0.2 °C 0.01K ±1 %RH 1%RH Yes Handheld - USB - Alarm, Data Logging Battery 9V
RS Stock No. 725-2365
Mfr. Part No.HygroPalm HP21
€487.15
Each
units
+60°C 100%RH ±0.2 °C 0.01K ±1 %RH 1%RH Yes Handheld UKAS USB - Alarm, Data Logging Battery 9V
New
RS Stock No. 200-5035
Mfr. Part No.0560 6351
BrandTesto
€496.50
Each
units
- - - - - - - - - - - - - -
RS Stock No. 911-9715
Mfr. Part No.0560 6351
BrandTesto
€435.00
Each
units
- - - - - - - - RSCAL - - - Battery AA
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