Operating Instructions GM35
Probe Model
Product overview
8009389/07-2006 © SICK MAIHAK GmbH • Germany · All rights reserved 13
Fig. 3 GMP measuring probe (with open slot)
GPP – gas diffusion probe (dry or wet version)
Since, in the GPP probes, dust particles are separated at the filter element and do not enter
the measuring distance, these versions are more suitable for environments with higher dust
concentrations than the GMP probes. The GPP (Gas Permeable Probe) is suitable for audit
measurements to EPA specifications, or in systems with low volumetric flow rates or irregular
flow profiles.
Fig. 4 GPP measuring probe (see also Fig. 2)
PT 1000
Temperature sensor
Purge air outlet
measuring
distance (open
slot)
Lever position
Lever and closing:
open
Temperature sensor PT 1000
Ceramic filter or teflon/ceramic
filter, gas permeable
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