GM901-02 with GMP measuring probe and purge air unit
1
2
3
4
6
5
7
Figure 5: GMP measuring probe with purge air unit on the duct
1
GM901-02 sender
2
GM901-02 receiver
3
T-piece with beam splitter
4
Lever for closing device of the sample gas opening
5
GMP measuring probe
6
Purge air hose
7
Purge air unit SLV4
3.5.3
Measuring probes in comparison
Table 8: Measuring probes: Characteristics and usage
Characteristic
Open GMP measuring probe
Gas-testable GPP measuring
probe
Type
Measuring path in flow direc‐
tion open; Purge air supply
with outlet aligned 90° to gas
flow
Gas-testable measuring probe
with ceramic filter, for dry sam‐
ple gas
Max. process temperature
≤
+430 °C
≤
+430 °C
Gas check according to EPA
specification possible
No
Yes
Purge air supply required
Yes
No
Optical surface heating in
measuring probe
No
Yes, with integrated control
Suitable for wet sample gas
Yes
No
Measurable components
CO
CO
Response time (t
90
)
≥ 5 s
≥ 120 s
Duct diameter
> 360 mm
> 300 mm
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
19
Subject to change without notice