12
Technical data
12.1
System: GM32 Ex version
Description
Performance-tested in-situ gas analyzer for emission monitor‐
ing.
Measured variable
NO, NO
2
, NH
3
, SO
2
TÜV-tested measured variable
NO, SO
2
Maximum number of measured
variables
4 (plus process temperature and pressure).
Measuring principle
Differential Optical Absorption Spectroscopy (DOAS).
Measuring ranges
•
NH
3
: 0 ... 30 ppm / 0 ... 2,600 ppm
•
NO: 0 ... 40 ppm / 0 ... 1,900 ppm
•
NO
2
: 0 ... 50 ppm / 0 ... 1,000 ppm
•
SO
2
: 0 ... 15 ppm / 0 ... 7,000 ppm
The measuring ranges refer to a 1 m measuring path.
Measuring ranges depending on application and device ver‐
sion
Certified measuring ranges
•
NO: 0 ... 70 mg/m³ / 0 ... 700 mg/m³
•
SO
2
: 0 ... 75 mg/m³ / 0 ... 1,00 mg/m³
With an active measuring path length of 1.25 m (open meas‐
uring probe).
The measuring probe (GPP) which can be gas tested is not
TÜV-tested for suitability.
Response time
•
Open measuring probe (GMP): ≥ 5 s, adjustable.
•
TÜV-tested for suitability: ≥ 30 s, adjusted.
Precision
•
NH
3
: ± 0.7 ppm
•
NO: ± 0.8 ppm
•
NO
2
: ± 2.5 ppm
•
SO
2
: ± 0.3 ppm
Relative to the smallest measuring range.
Ambient temperature
–20 °C ... +55 °C, temperature change max. ±10 °C/h.
Storage temperature
–20 °C ... +55 °C, temperature change max. ±10 °C/h.
Ambient humidity
≤ 96% relative humidity; moisture condensation on optical
interfaces not allowed.
Conformities
Approved for plants requiring approval:
•
2001/80/EC (13th BImSchV)
•
2000/76/EC (17th BImSchV)
•
27th BImSchV
•
EN 15267-3
•
EN 14181
Ex certifications
ATEX
•
II 2G Ex px [op is] IIC T3 Gb
•
II 3G Ex pz [op is] IIC T3 Gc
Electrical safety
CE
Degree of protection
IP 65
Operation
Via integrated control unit or SOPAS ET software.
Correction functions
Internal contamination correction.
12
TECHNICAL DATA
100
O P E R A T I N G I N S T R U C T I O N S | GM32-Ex
8015558/YYJ8/V1.7/2016-07 | SICK
Subject to change without notice
