18 GM32 · Technical information · 8011923 · V 1.4 · © SICK AG
Product Description (Details)
Subject to change without notice
GMP probe with open measuring gap 
Shortest reaction times and high temperature stability characterize the GMP series
measuring probes. Continuous purge air feed is required for operation. The air outlet runs
in the duct offset 90° to the gas flow (Directed Purge Air). 
The GMP probe has a locking device on the opening for sample gas that is activated with a
lever on the probe flange. 
Fig. 4 GMP measuring probe (with open measuring gap)
Temperature sensor 
PT 1000
Purge air outlet
Open measuring 
path (measuring 
gap)
Lever position
Lever and locking device: 
Open