Vaisala HUMICAP HMP155 User Manual

Humidity sensor Purpose
HUMICAPR2C New generation composite humidity sensor with improved corrosion
resistance.
1) With integral Pt100 sensor
2.1.3 Features and options
Table 6 Analog output options
Feature Description
Voltage ranges of analog outputs in HMP155A and
HMP155D
0 ... 1 V
0 … 5 V
0 … 10 V
T-output scales in HMP155A -40 … +60 °C
-20 … +40 °C
-80 … +60 °C
Table 7 Models and available features
Feature HMP155A HMP155D HMP155E
Warmed probe ✔ ✔
Chemical purge ✔ ✔
Extra sensor heating ✔ ✔
Additional T-probe ✔ ✔
Table 8 Heating options
Option Description
Heating options Chemical purge option for applications where interfering chemicals in the
measuring environment pose a risk
(active output version)
Warmed probe for improved performance in constant high humidity
(active output version)
Extra sensor heating for rapid drying of HUMICAP (active output version)
Chapter 2 – Product overview
11

Vaisala HUMICAP HMP155 Specifications

General

Humidity Measurement Range	0 to 100 %RH
Operating Humidity Range	0 to 100 %RH
Protection Class	IP65
Measurement Parameters	Humidity and Temperature
Temperature Measurement Range	-40 to +60 °C
Temperature Accuracy	±0.2 °C
Operating Temperature Range	-40 to +60 °C
Humidity Sensor	Vaisala HUMICAP®