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Hach
Measuring Instruments
1950Plus
Page 175 (General Information)
Hach 1950Plus - General Information
188 pages
Manual
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At Hach Compa
ny
, customer
service is an
important part
of every pr
oduct we make.
With that in mind, we have compiled the following
infor
mation for y
our con
venience.
Pag
e
1
7
5
UVT
OCGeneral Inf
ormation Stopper
.fm
General Information
General Inf
ormation
174
176
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Safety Precautions
7
Use of Hazard Information
7
Potential Safety Hazards
7
Precautionary Labels
8
Electrical and Burn Precautions
8
Précautions À Prendre Pour Éviter Les Brûlures Et Les Risques Électriques
8
Venting Waste Gases
9
Décharge des Gaz Usés
9
Chemical Precautions
9
Précautions À Prendre Contre Les Risques Chimiques
9
Carrier Gas Precautions
9
Précautions À Prendre À L'égard du Gaz Vecteur
10
Sample Stream Precautions
10
Précautions À Prendre À L'égard du Flux D'échantillon
10
Disposing of Used UV Lamps
11
Élimination des Lampes UV Usées
11
Technical Specifications
13
Section 1 Introduction
15
System Description
15
Applications
15
Major Components
15
Liquids Enclosure
17
Electronics Enclosure
17
Front Panel
20
Analysis Process
20
Installation
21
Start-Up and Operation
21
Calibration
21
Miscellaneous
21
Technical Support and Assistance
21
EPA Mode
22
Connection Information
23
Installation
25
Section 2 Unpacking, Installation, and Setup
27
Unpacking and Installation
27
Unpacking and Inspection
27
Location Criteria
27
Wiring the Instrument
30
Wiring the Instrument for Ac Power
35
Selecting the Voltage
38
Wiring the Relays
39
Analog Outputs
41
Serial Data Connections
41
Installation
42
Optional Blowback Filter Valve
45
Optional Level Detector Configuration
46
Carrier Gas and Fluid Connections
46
Connection Information
46
Drain and Vent Connections
47
Dual Stream Option
47
Section 3 Preparing Reagents and Calibration Standards
49
Types of Fluids
49
Recommended Tools and Materials
49
Obtaining DI Water
49
Preparing Calibration Standards
50
Organic Calibration Standards
50
Preparing Phosphoric Acid Solution
50
Preparing Sodium Persulfate Solution
52
Preparing the Cleaning Solution
52
Storage and Handling Tips
53
Section 4 Commissioning the Analyzer
55
Precomissioning Requirements
55
Start-Up Instructions
55
Start the Liquids and Gas Flowing
55
Run a Validation
57
Analyzer Adjustments
57
Operation
61
Section 5 Setup and System Configuration
63
Setup Menu Structure
63
Setup Menu
63
Level Criteria Screen
63
Auto Options Screen
68
Timing Screen
69
Periods Screen
72
Time/Date Screen
74
Mapping
75
Serial Menu
80
Tolerances Screen
83
Language Screen
85
Analyzer Screen
86
EPA Main Operating Screen
86
Stream Screens
87
Loss of Flow
87
Analyzer Hardware Configuration
88
Application Screens
88
Section 6 Operation
89
Front Panel
89
Display
89
Operation Menu Structure
90
Keypad
91
Single Button Presses
91
Dual Button Presses
91
Status Indicators
91
Power Interruption
92
Operating Screens
92
Dual Stream Operating Screen
92
Analyzer Status Display Options
92
Alternative Screens
93
Main Operating Screen
94
Navigating the Menus and Screens
94
Passcode Protection
95
Validation Menu
95
Performing a New Validation
96
Calibration Menu
96
Calibration Overview and Options
96
Calibration Screen
99
Manual Zero Calibration
99
Manual Span Calibration
100
Primary Zero/Primary Span Calibration
102
Autocal Standard Screen
102
Multi-Point Calibrations
102
Grab Sample Menu
106
Manual Control
107
Initiate Clean
107
Initiate Calibration
107
Initiate Validation
107
Go Online
107
Inhibit Next Clean
108
Inhibit Next Calibration
108
Inhibit Next Validation
108
Active Calibration Set Selection
108
Reboot System
108
Manual Control for Selecting Stream 1 or 2
108
Maintenance
109
Section 7 Maintenance
109
Electrostatic Discharge (ESD) Considerations
111
Cleaning
111
Periodic Maintenance
112
Shut down
112
Pump Tube Replacement
113
IR Cell Cleaning
116
Pressure/Leak Test
119
IR Cell Replacement
119
Thumb Latch Adjustment
119
IR Gas Calibration
121
IR Gas Calibration Procedure
121
Cleaning the Gas Liquid Separator (GLS)
123
Replacing a UV Lamp
123
Mirror Assembly Adjustment
125
Replacing the Fuses
127
Section 8 Troubleshooting and Service Menus
129
Preliminary Check
129
Troubleshooting
129
Instrument Does Not Calibrate
129
Instrument Is Unstable or Drifts
130
Periodic Spikes in the Readout
130
Maintenance Code Diagnostics
132
Fault Code Diagnostics
135
Service Menu Structure
137
Service Menus
138
Relay Test
138
Valve Test
139
Input Status
139
IR Cal
142
Output Adjust
143
Setting the Elevation
144
UV Block Selection
144
Fault/Maintenance Event Codes
145
Fault ID Codes
145
Appendix A TC Conversion
147
TC Conversion-No Dilution
147
TC Conversion-With Dilution
149
Appendix B Analyzer Pump Configurations
153
Appendix C Glossary
161
Appendix D Replacement Parts
165
Appendix E Form
173
Problem Report Form
174
General Information
175
How to Order
177
Repair Service
178
Limited Warranty
179
Certification
180
Safety Notes
183
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