3.5
Measuring probes
3.5.1
Gas-testable GPP measuring probe
Figure 2: GPP measuring probe with ceramic filter
Characteristics:
•
Suitable for applications with dry process gas
•
Measuring probe material:
–
Standard: Stainless steel (1.4571/316 Ti)
–
On request: 1.4539
•
No moving parts
•
Active elements: Optical surface heaters and their controls
•
PT1000 temperature sensor with SPU for gas temperature measurement
•
Power supply via a plug
•
Filter element for filtering dust particles
°
With ceramic filter: Dust removal for particles > 1
μ
m
•
EPA compliant (EPA Guideline CFR 40, Part 60 or Part 75): The measuring cham‐
ber can be filled with known concentrations of test gases
•
SPAN and zero point test possible: Usage as "zero path" by purging the measuring
chamber with air or N
2
possible
•
Pressure-resistant up to 200 mbar differential pressure to duct
•
No special flow conditions in duct necessary
PRODUCT DESCRIPTION
3
8008932/16YT/V4-0/2022-02 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM901-02
17
Subject to change without notice