Output parameter Output range HUMICAPâ R2C and 180VC sensor HUMICAPâ
180L2
sensor
Water concentration
(wet basis)
0 … 100 vol-%
Water mass fraction
0 … 10
6
ppm
w
Wet-bulb temperature 0 … +100 °C
Water vapor pressure 0 … 1000 hPa
Water vapor saturation
pressure
0 … 1000 hPa
2.5 Probe head
Ø 12
[0.47]
99.5 [3.92]
79.5 [3.13]
37.5 [1.48]
Groove for
lock ring
Ø 12
[0.47]
Ø 5
[0.2]
mm
[in]
Figure 1 HMM170 probe head dimensions
HMM170 is designed for applications that involve constant high humidity or rapid changes in
humidity, such as drying and test chambers, combustion air, and other humidifiers and
meteorological measurements, where measurement performance and chemical tolerance are
essential.
• Temperature measurement range −70 ... +180 °C (−94 ... +356 °F)
• Operating temperature range for probe −70 ... +180 °C (−94 ... +356 °F)
• Probe and sensor warming functions minimize condensation on probe
• Vapor and pressure proof construction
• Stainless steel mesh filter standard in delivery
2.6
Filter types
All filters available for HMM170 are 12 mm (0.47 in) in diameter. Note the operational
temperature range of each filter.
HMM170 User Guide M212259EN-D
10
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