65
8012704/YHS4/V2-0/2016-10 | SICK OPERATING INSTRUCTIONS | GM32
Subject to change without notice
TECHNICAL DATA 9
9.2 System: GM32
Description Performance-tested in-situ-gas analyzer
Measured variable NO, NO
2
, NH
3
, SO
2
TÜV tested measured variable NO, SO2
Maximum number of mea-
sured 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 (+/- 2% of FS)
● NO: 0 ... 40 ppm / 0 ... 1,900 ppm (+/- 2% of FS)
● NO
2
: 0 ... 50 ppm / 0 ... 1,000 ppm (+/- 2% of FS)
● LowNO
2
(Option): 0 ... 15 ppm/ 0 ... 1,000 ppm (+/- 2% of FS)
● SO
2
: 0 ... 15 ppm / 0 ... 7.000 ppm (+/- 2% of FS)
Measuring ranges refer to 1 m measuring path
Measuring ranges depending on application and device version
Caution: Specification refers to:
- Dust-free gas
- No cross-sensitivities
- Gas temperature: 70°C
Certified measuring ranges
● NO: 0 ... 70 mg/m3 / 0 ... 700 mg/m3
● SO2: 0 ... 75 mg/m3 / 0 ... 1,000 mg/m3
With an active measuring path length of 1.86 m.
Response time (t
90
)
● ≥ 30 s, adjustable
● TÜV performance test: ≥ 30 s, adjustable
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
● TI Air
● EN 15267
● EN 14181
● MCERTS
● GOST
Electrical safety CE
Degree of protection
● Standard: IP 65, IP 69K
Operation
Via integrated control unit or SOPAS ET software.
Correction functions Internal contamination correction
Control functions
Internal zero point control
Check cycle for zero and span point according to QAL3
Options SCU control unit
Table 19: Technical data GM32 Cross-Duct system