User's Manual for CM6G - Yokogawa

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1. Outline 1-1Model <strong>CM6G</strong> Gas calorimeter is used to measure and control the calorific value of gases, Wobbe-Index, the theoretical air requirement, and the heat input <strong>for</strong> various kind of gas burning furnaces.It detects the temperature rise of the sample gas, which pressure is normally controlled, by burning itat the burner through the medium of air.It picks up the flow rate of the sample gas and the air as the differential pressure signal and gives youan output signal of WI after compensating calculation of the indication difference caused by the flowrate variation.It also detects density of the sample gas by a density meter, and add to WI signal densitycompensation, then, gives you an output of the calorific signal.IM 11R02A01-02E
Page 1: User’sManualModel CM6GGas Calorim
Page 4 and 5: iiTIPThis symbol gives information
Page 7 and 8: iModel CM6GGas CalorimeterIM 11R02A
Page 9: iii9.4 Calibration of the Density M
Page 13 and 14: 2. Specifications 2-12.1 Standard S
Page 15 and 16: 2-3Utility : Water : Approx. 0.2 l/
Page 17 and 18: 2-52.2.4 OptionName Part no. Descri
Page 19 and 20: 2-72.4.2 For Town Gas Application (
Page 21 and 22: 2-92.4.4 Dimensions of Options1. Pr
Page 23 and 24: 3-13. InstallationsObserve the foll
Page 25 and 26: 4-14. Outside PipingsThe connection
Page 27 and 28: 5-15. External WiringsExternal wire
Page 29 and 30: 6. Construction and FunctionTypical
Page 31 and 32: 6-3Standard Flow Sheet1. Town Gas A
Page 33 and 34: 6.3 Differential Pressure Detection
Page 35 and 36: 6-7POWERLampIGNITLampMEASLampALARML
Page 37: 6-96.4.2 High/Low Alarm ActionHighe
Page 42 and 43: 6-146.5.3 Correcting ComputationAs
Page 44 and 45: 6-166.6 Density MeterThe GD400G is
Page 46 and 47: 7-27.4 Supply of the AirOpen valve
Page 48 and 49: 7-47.7 Air Differential Pressure Ad
Page 50 and 51: 8-28.2 Stopping Operations8.2.1 Lon
Page 52 and 53: 9-29.1.2 For Steel Mill UseSEE ALSO
Page 54 and 55: 9-49.3 Calibration of the Computing
Page 56 and 57: 10-210.2 Regular CheckRefer to Figu
Page 58 and 59: 10-410.2.4 Washing Bubbler or Press
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10-610.3 Check at the Regular Servi
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11-211.1.2 For Steel Mill UseAs for
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11-47) When the density meter is at
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12-2b) Print circuit board assembly
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12-412.3 Preheater E7023NGNo. Name
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12-612.8 Temperature Controller E70
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2< Principle of Measurement>When us
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Revision Informationi Title Manual
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User’sManualModel CM6GGas Calorim
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2-2Utility :Instrument Air : Approx
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2-42.2.2 Standard AccessoriesFollow
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5-25.1 Notes on WiringWARNING• Ca
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User's Manual for CM6G - Yokogawa

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