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GM31
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Multi-component analyzer for SO2, NO, NH3 or NO2 The GM31 is suitable for both simultaneous or individual measurements and can be used to measure emissions in flue-gas desulphurization and DeNOx plants.
Applications Instant and reliable measurement of SO2, NO, NH3 or NO2 and gas temperature (O2 optional) for example in power stations, cement industry, waste incineration plants, petrochemical industries and chemical industries.
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Technical specification |
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Measuring components |
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SO2, NO, NH3, NO2, Temp., O2 (Option) |
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Measuring range |
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SO2: 70 ... 30.000 mg/m³ (0.03 ... 13.1 gr/ft³)
NO: 130 ... 4000 mg/m³ (0.06 ... 1.7 gr/ft³)
NH3: 30 ... 100 mg/m³ (0.01 ... 0.04 gr/ft³)
NO2: 100 ... 4000 mg/m³ (0.04 ... 1.7 gr/ft³) |
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Measurement principle |
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Transmittance (UV-spectroscopy) |
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Measuring gas temperature |
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500 °C (932 °F), 550 °C max. (1022 °F max.) |
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Compliance |
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TÜV approved according to German Clean Air Regulations, Federal German Pollution Control Act (13th, 17th Implementing Ordinance), GOST, U.S. EPA compliant |
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Protection category |
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IP 65 (IP 20 for control unit in control panel version) |
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Measured value output |
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4 analog outputs: 0/2/4 ... 20 mA |
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Interfaces |
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RS232, RS422 |
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Status / control signals |
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Relay outputs for status signals |
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System modules |
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Transmitter/receiver unit, measuring probe, control unit, air purge unit |
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Test function |
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Automatic control cycle and linearity test |
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Remarks |
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- Fast and continuous measurements – directly in the gas-carrying duct
- O2 measurements easy possible by connecting an external sensor
- Calculated value output (mg/m3 in operating/standard state, ppm)
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