Hygrometers

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 Hygrometer Type Maximum Humidity Measurement Best Temperature Measurement Accuracy Temperature Measurement Resolution Best Humidity Measurement Accuracy Humidity Measurement Resolution Dewpoint Measurement Meter Type Interface Type Printer Functions Power Source Battery Type
RS庫存編號 724-4193
製造零件編號2418208
BrandFluke
HK$2,616.32
單位
+60°C Digital Hygrometer 95%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes Handheld - - Record Battery AAA
RS庫存編號 412-3062
製造零件編號0560 6081
BrandTesto
HK$716.37
單位
+50°C Digital Hygrometer 95%RH ±0.5 + 1 Digit °C 0.1°C ±3 %RH 0.1%RH Yes Digital - - - Battery 9V
RS庫存編號 292-357
製造零件編號0560 0610
BrandTesto
HK$1,245.87
單位
+50°C Digital Hygrometer 100%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes - - - Hold Battery AAA
RS庫存編號 420-7261
製造零件編號0560 6082
BrandTesto
HK$1,038.22
單位
+70°C Digital Hygrometer 98%RH ±0.5 + 1 Digit °C 0.1°C ±2 %RH 0.1%RH Yes Digital - - - Battery 9V
RS庫存編號 476-909
製造零件編號13/606/2
BrandBrannan
HK$616.59
單位
+50°C Thermohygrometer - ±0.5 °C - - - - Handheld - - - - -
RS庫存編號 735-6754
製造零件編號0560 6053
BrandTesto
HK$924.02
單位
+50°C Digital Hygrometer 95%RH ±0.5 °C 0.1°C ±3 %RH 0.1%RH Yes - - - Hold Battery AAA
RS庫存編號 512-0244
製造零件編號0560 6351
BrandTesto
HK$2,896.65
單位
- Digital Hygrometer - - - - - - - - - - Battery AA
RS庫存編號 735-6757
製造零件編號0563 6251
BrandTesto
HK$2,066.07
單位
+1370°C Digital Hygrometer 100%RH ±0.5 °C 0.1°C ±2.5 %RH 0.1%RH Yes Handheld - - Hold Battery 9V
RS庫存編號 206-8913
製造零件編號13/222/3
BrandBrannan
HK$195.32
單位
+50°C Thermohygrometer - ±0.5 °C - - - - Wall Mounted - - - - -
RS庫存編號 615-3239
製造零件編號HI9564
HK$1,954.05
單位
+60°C Digital Hygrometer 95%RH ±0.5 °C 0.1°C ±3 %RH 0.1%RH - Handheld - - Hold Battery 9V
RS庫存編號 777-0440
製造零件編號0560 6230
BrandTesto
HK$1,567.72
單位
+60°C Digital Hygrometer 100%RH ±0.4 °C 0.1°C ±2 %RH, ±3 %RH 0.1%RH - Digital - - Maximum & Minimum Display Battery 4 x AA
RS庫存編號 292-335
製造零件編號0560 6062
BrandTesto
HK$1,546.95
單位
+50°C Digital Hygrometer 100%RH ±0.5 °C 0.1°C ±1 %RH 0.1%RH - Handheld - - - Battery AAA
RS庫存編號 725-9521
製造零件編號HygroPalm HP21
HK$3,355.45
單位
+60°C Digital Hygrometer 100%RH ±0.2 °C 0.01K ±1 %RH 1%RH Yes Handheld USB - Alarm, Data Logging Battery 9V
RS庫存編號 724-4190
製造零件編號DTH10
BrandKane
HK$608.38
單位
+50°C Digital Hygrometer 95%RH ±1 °C 0.1°C ±5 %RH - - Pen Digital - - Hold, Record Battery CR2032
RS庫存編號 327-6294
製造零件編號0560 6450
BrandTesto
HK$5,699.85
單位
- Digital Hygrometer - - - - - - - - - - Battery -
RS庫存編號 913-0872
製造零件編號LKM 455
HK$1,448.85
單位
- Thermohygrometer - - - - - - - - - - - -
RS庫存編號 348-8267
製造零件編號DPWC111000
BrandCarel
HK$1,194.45
單位
+50°C Thermohygrometer 90%RH ±1.2 °C - ±3 %RH - - - - - - Mains -
RS庫存編號 516-0573
製造零件編號0563 6352
BrandTesto
HK$4,142.51
單位
+1370°C Digital Hygrometer 100%RH ±0.3 °C 0.1°C - 0.1%RH Yes - USB - - Battery AA
RS庫存編號 615-3245
製造零件編號HI9565
HK$2,402.40
單位
- Digital Hygrometer - - - - - - - - - - Battery 9V
RS庫存編號 433-3742
製造零件編號SONDE HS 18 0/10 VCC
BrandEliwell
HK$1,934.94
單位
- Thermohygrometer - - - - - - - - - - - -