Humidity measurement

Measurement range
Accuracy at +20 °C (+68 °F)



Sensor
     HMP41,HMP45; HMP46
     HMP42

0 ... 100 % RH
± 1 % RH (0 ... 90 % RH) HMP46
± 2 % RH (90 ... 100 % RH) HMP46
± 2 % RH (0 ... 90 % RH) HMP41, 42, 45
± 3 % RH (90 ... 100 % RH) HMP41, 42, 45

Vaisala HUMICAP® 180
Vaisala HUMICAP® MINI

Temperature measurement

Measurement range
     HMP41 & HMP45
     HMP42 & HMP46
Sensor
     HMP41 & HMP45
     HMP42 & HMP46

-20 ... +60 °C (-4 ... +140 °F)
-40 ... +100 °C (-40 ... +212 °F)

Pt1000 IEC 751 1/3 class B
Pt100 IEC 751 class B

Operating environment

Temperature
Storage

-20 ... +60 °C (-4 ... +140 °F)
-40 ... +70 °C (-40 ... +158 °F)

Inputs and outputs

Power supply

4 batteries, type AA (LR 6)

Mechanics

Cable length (HMP42/45/46)
Weight (housing)
Housing material
Housing classification

1500 mm; extended spiral cable
300 g (incl. batteries)
ABS plastic
IP65 (NEMA 4)

Calibration services

Calibrated quantities
Traceability

relative humidity, temperature
NIST

Calibration services are available at Vaisala service centers for a fixed price.
-Accredited calibrations (ISO17025)
-Factory calibrations (ISO9001)

Calibration price includes:
-calibration and certificate before adjustment
-adjustment to meet specifications
-calibration and certificate after adjustment
-replacement of wearing parts

Spare parts

Common spare and wearing parts are available. For availability contact sales.

Repair

Repair services are available at Vaisala service centers for a fixed price.

Repair price includes:
-repair work
-required parts
-calibration certificate
-service report

Technical support

Technical support for your installed units, contact helpdesk@vaisala.com.