Vaisala HUMICAP HMP155, User Manual, Page: 13 / 102

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
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