Bacharach Flue-Gas Sample Conditioning System Especificações Página 59
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ECA 450 Calibration
Instruction 0024-9400
55
Procedure:
1. Enter Calibration List screen; then choose HC per Section 3.3 to display
the CALIBRATE HC screen. At the conclusion of this step the pump
should be running.
2. Using the Gas Fixture shown in Figure 3-1, attach a CH
4
calibration gas
cylinder to the analyzer’s GAS inlet port.
3. Adjust regulator of calibration fixture for a flow meter indication of
approximately 2 SCFH.
4. Wait until Measured reading on screen stabilizes (approximately
3 minutes). Then use the
∧∨ and < > keys to enter an Applied value that
equals the concentration stamped on the CH
4
gas cylinder.
The calibration range is from 1 to 3%. An applied value that is outside
this range will cause the message “Bad Calibration Entry” to appear.
Typical Calibrate HC Screen During Calibration:
««««CALIBRATE HC««««
Measured 1.93 %
Applied 2.50 %
5. Press ENTER to calibrate the analyzer’s Measured value to that of the
Applied value; after which the message “Good Calibration” should appear
along with the Calibration List screen being redisplayed.
If the message “Sensor Output Low” or “Sensor Not Calibrated” appears,
refer Section “5.4 Troubleshooting Guide.”
6. Turn off regulator; then remove gas cylinder from calibration fixture.
3.8 Calibrate CO-LO Sensor
This screen is used to span the Carbon Monoxide Low channel (0 – 4,000 ppm
CO) to a known gas level. This procedure also includes H
2
compensation.
Material Required:
• Calibration Gas Fixture (Section 3.2)
• Gas Cylinder: 500 ppm CO in air (refer to Section 6.2)
• Gas Cylinder: 1000 ppm CO & 1000 ppm H
2
in Nitrogen
(refer to Section 6.2)
Procedure:
1. Enter Calibration List screen; then choose CO-LO per Section 3.3 to
display the CALIBRATE CO-LO screen. At the conclusion of this step the
pump should be running.
2. Using the Gas Fixture shown in Figure 3-1, attach a CO-only calibration
gas cylinder to the analyzer’s GAS inlet port.
- Model 450 1
- Notice: 2
- Table of Contents 3
- Contents ECA 450 4
- 1 Introduction 5
- 1.3 Technical Data 6
- Accuracy: 7
- 4 Instruction 0024-9400 8
- 1.4 Operation Overview 9
- Introduction ECA 450 10
- 6 Instruction 0024-9400 10
- 1.5.3 POWER (AC Adapter) 11
- 1.5.6 OPT (Option) 11
- 8 Instruction 0024-9400 12
- CALIBRATE 13
- 10 Instruction 0024-9400 14
- 2 Operation 15
- 2.3 Fuel Selection 16
- ECA 450 Operation 17
- Instruction 0024-9400 17
- Operation ECA 450 18
- 14 Instruction 0024-9400 18
- 2.7 Saving Test Data 20
- 2.8 Clearing Memory 20
- 18 Instruction 0024-9400 22
- 2.10 Printing Data 23
- 20 Instruction 0024-9400 24
- 2.12 Data Logging 26
- 24 Instruction 0024-9400 28
- Line 1: Column Headings 30
- 2.14.1 Thermocouple Method 31
- 28 Instruction 0024-9400 32
- 2.14.3 Thermometer Method 33
- 30 Instruction 0024-9400 34
- 2.16 Statistics Mode 36
- 34 Instruction 0024-9400 38
- 2.17.1 Temperature Units 40
- 2.17.2 Pressure Units 40
- 2.17.3 Pollution Units 40
- 2.17.4 Language 41
- 2.17.5 Date 41
- 2.17.6 Time 42
- 2.17.7 O 42
- Reference 42
- 2.17.8 Test ID 43
- 40 Instruction 0024-9400 44
- 42 Instruction 0024-9400 46
- 2.17.9 Display Timeout 47
- 2.17.10 Display Format 47
- 44 Instruction 0024-9400 48
- 2.17.11 Primary Air 49
- 2.17.12 Data Logging 49
- 2.17.13 Statistics 49
- 2.17.14 User Name 49
- 2.17.15 Keypad Sound 50
- 2.17.17 Print Pressure 52
- 2.17.18 Information 52
- 3 Calibration 53
- PRESSURE 54
- ECA 450 Calibration 55
- Calibration ECA 450 56
- 52 Instruction 0024-9400 56
- 3.7 Calibrate HC Sensor 58
- 3.8 Calibrate CO-LO Sensor 59
- 56 Instruction 0024-9400 60
- 3.9 Calibrate SO 61
- Sensor 61
- 3.10 Calibrate NO Sensor 62
- 3.11 Calibrate NO 63
- 3.12 Calibrate CO-HI Sensor 64
- 4 Maintenance 65
- Maintenance ECA 450 66
- 62 Instruction 0024-9400 66
- ECA 450 Maintenance 67
- 64 Instruction 0024-9400 68
- 4.4.1 O 69
- , CO, NO, NO 69
- , & SO 69
- Sensor Replacement 69
- 66 Instruction 0024-9400 70
- 4.4.3 HC Sensor Replacement 71
- PARTICULATE FILTER 72
- (Install with arrow pointing 72
- WATER TRAP/FILTER ASSEMBLY 73
- GAS HOSE 73
- RESET BUTTON 74
- 5 Troubleshooting 76
- 5.3 Error Symbols 77
- 5.4 Troubleshooting Guide 78
- ECA 450 Parts & Service 79
- 76 Instruction 0024-9400 80
- 78 Instruction 0024-9400 82
- 6 Parts & Service 83
- 6.2 Accessories 84
- 6.3 Service Centers 85
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