Relative humidity measurement

Measurement range
Accuracy (incl. non-linearity, hysteresis and repeatability) at
     +15 … +25 °C
     (+59 … 77 °F)
For other temperatures, please see the the brochure
Recommended humidity sensor

0 ... 100 % RH



±1 % RH (0 ... 90 % RH), ± 1.7 % RH (90 ... 100 % RH)



Vaisala HUMICAP^® 180R

Temperature measurement

Measurement range
Accuracy at +20 °C
     voltage
     RS485
     passive resistive output
Temperature sensor
Optional additional T probe
Other variables
dewpoint/frost point temperature
wet bulb temperature, mixing ratio

-80 ... +60 °C (-112 ... +140 °F)

±0.17 °C
±0.12 °C
according to IEC751 1/3 Class B
Pt100 RTD

Operating environment

Temperature
     operation
     storage

-80 ... +60 °C (-112 ... +140 °F)
-80 ... +60 °C (-112 ... +140 °F)

Inputs and outputs

Operating voltage
Outputs
     voltage output
     resistive Pt100 (4-wire
     connection)
     RS485

7 ... 28 VDC

0 ... 1V, 0 … 5 V, 0 … 10 V

Mechanics

Connection cables
Material (housing)
Housing classification

3.5, 10, and 30 m
PC
IP66

Calibration services

Calibrated quantities
Traceability

relative humidity, temperature
NIST

Calibration services are available at Vaisala service centers for a fixed price.
-Accredited calibrations (ISO/IEC17025)
-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.