Wiring Diagrams - Vaisala HMT140 User Manual

Installing the entire probe in the measurement environment
prevents heat conduction to the sensor, and is the
recommended installation method.
Figure 8: Optional Probe Mounting Clamp
CAUTION: Attaching the probe mounting clamp to a con-

Wiring Diagrams

The following figures outline the components, wiring and
connections of the HMT140.
Figure 9: HMT140 Components Diagram
M211488EN-E
ductive wall material should be avoided, since
the potential galvanic connection to the power
supplies and uncontrolled earth current loops
could cause measurement errors or even dam-
age to an HMT140 (not the HMT141).
Wiring Diagrams
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