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ELTRA
Measuring Instruments
CS-2000
ELTRA CS-2000 Service Manual
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Miscellaneous
150
75190
W
asher
1
77140
HF
-filter 250 V
1
78010
Mains power switch
1
90290
Copper oxide
100g
92610
Tube of grease
1
6.4.2
Spare Parts kit for
CS2000 (includ
ing spare pa
rts kits CS800 and
HTF540)
Part
Number
description
quantity
05390
Heatsink
1
09090
Reagent tube
1
11105
Metal dust filter
1
11115
Plastic tube
75mm
11120
Paper filter holder
1
11180
Dust filter cartridge
1
11185
Paper filters
10
11370-
2001
Gasflow regulating val
ve
1
11400
Pressure outlet soleno
id valve
1
11410
Oxygen stop solenoid v
alve
1
11430
Purge solenoid valve
1
11440
Bypass solenoid valve
1
11470
One way valve
1
11490
Pressure regulator
1
12005
Gasflow and furnace c
ontrol board HF3
1
12016
Gasflow and furnace c
ontrol board HF42
1
12080
Rectifier
1
13067
Combustion coil
1
13175
Insulator
1
13260
High voltage filter
1
13262
Capacitor 700 pF/40
KV
1
13270
Resistor
1
14045
Cleaning brush f
or combustion tube
1
14072
Ceramic heat shiel
d for brush
1
149
151
Table of Contents
Table of Contents
3
Notes on Service Instructions
7
Explanations of the Safety Instructions
7
Discharging the Oscillator
8
Faults
12
Check Base Lines
12
Fluctuating Gas Flow
13
No Combustion
18
Induction Furnace Operation
18
Resistance Furnace Operation
27
Bad Combustion
27
Induction Furnace Operation
27
Resistance Furnace Operation
28
Furnace Does Not Close
30
Analysis Takes too Long
32
RF-Interference on the IR-Cell, or on the Electronic Units
33
Additional Reasons for Excessive Analysis Duration
34
One of the IR-Sources Is Unstable
34
The Power Voltage Sinks below 180 VAC
34
Development of Dust When Closing the Furnace
35
Erratic Results
35
The Results Are Always 0.0000% or 00.0Ppm
37
No Oxygen Flow
38
Induction Furnace Operation
38
Other Faults
39
Resistance Furnace Operation
39
IR-Cell Temperature Control Is out of Range
39
Breaker Turns off at the Beginning of Combustion
39
Breaker Turns off at the End of the Analysis
43
Dustcloud When Opening the Furnace
44
No or Low Oxygen Pressure
45
Waiting for Stability Message
47
Combustion Tube Breaks Frequently
48
Oxygen Pressure Falls When the Furnace Opens
49
Combustion Without Starting Analysis
50
Crucible or Boat Cracks or Melts
52
Induction Furnace
52
Resitance Furnace
52
Oxygen Pressure Goes up very Slowly
52
Pump Voltage too High
54
Resistance Furnace Takes too Long to Warm up
58
Negative Drift after Start
59
Resistance Furnace Completly Cold or too Hot
60
Fumes in the Resistance Furnace
61
Resistance Furnace Doesn`t Reach Full Temperature
62
Unstable Resistance Furnace Temperatur
62
Dust or Soot from the Resistance Furnace
63
Vibrations in Induction Furnace Mode
64
Analysis Cycle Stops too Early
64
Chopper Motor Doesn't Rotate
65
Sample Burns but no Peak on the Screen
65
IR Signal Does Not Come down to the Base Line at the End of Analysis
66
Adjustments
70
Gas Flow Controller-Adjustment and Jumper Settings
70
Flow Controller for Induction Furnace Operation
70
Flow Controller for Resistance Furnace Operation
73
Infrared Base Line Adjustments
75
Infrared Cell Modification - General Information
75
General Test Points
78
Test Points IR-Ranges
79
Base Line Adjustments
80
Infrared Cell Board Irc1.X Sections Assignment
80
Voltage of a Base Line Is too High (Higher than 9.5V)
81
IR Source Voltage Setting
83
Infrared Cell Temperature Regulation
84
Pneumatics
86
Pressure Regulation
90
Closing Cone Adjustment
92
Linearity Correction
93
Induction Generator Control
94
Resistance Furnace
96
Setting the Furnace Regulation Card TH 43 / TH
96
Furnace Regulation Board TH 43 / TH
97
Thermocouple Testing
98
Service
99
IR-Paths, Cleaning and Replacing
99
Infrared Electronics
100
Removing the IRC-Board
100
Changing the IR-Source
101
Chopper
102
Leak Checking
104
Solenoid Valves Cleaning
108
Flow Sensor Replacement
110
Gas Pump Replacement
111
Thermocouple Replacement
112
Gas Saving Mode
114
Gas Saving also for Resistance Furnace
115
Furnace Pneumatics - Additional Safety Features (Optional)
116
Halogen Trap - Installing
117
Miscellaneous
118
Ordering Numbers
118
Front Side
118
Left Hand Side
120
Right Hand Side
122
Induction Furnace
124
Furnace Cleaning
126
Oscillating Circuit
127
Infrared Cell
129
Chopper
131
Resistance Furnace
132
Oxygen Purifying Furnace
134
Dust Trap
135
Wiring Diagrams
137
Right Hand Side Power Wiring
137
Left Hand Side Power Wiring
138
Valve Wiring
139
Control Signal Wiring
140
IR-Current Supply, Old Version
141
IR-Cell Internal Signals
142
Amplitude Circle
143
Gas Flow Diagrams
144
Gas Flow for Induction Furnace When Furnace Is Closed
144
Gas Flow for Induction Furnace When Furnace Is Open
145
Gas Flow for Resistance Furnace
146
Valve Contolling
147
Spare Parts Kits
148
Common Spare Parts Kti for All Analysers
148
Spare Parts Kit for CS2000 (Including Spare Parts Kits CS800 and HTF540)
150
Maintenance
152
Approved Methodologies to Which Eltra Instruments Conform
153
Inorganic Materials (Metals)
153
Organic Materials (Oil, Coal, Foodstuffs)
154
Disposal
155
Index
156
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ELTRA CS-2000 Specifications
General
Brand
ELTRA
Model
CS-2000
Category
Measuring Instruments
Language
English
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