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Input Calibration
January 2009 UDA2182 Universal Dual Analyzer Product Manual 145
Step Action Screen
12
Once the reading is stable
Press
Enter
“Buffer 2 stability check”
Use
to change the value of
the Buffer.
“Up/Down changes Buffer”
13
If the calibration fails, an error
message will be displayed
across the bottom stripe of the
screen.
Make necessary adjustments
and re-calibrate.
Error Messages:
Buffer span too low
OFFSET UNDERRANGE
OFFSET OVERRANGE
Slope underrange
Slope overrange
Solution Unstable
Temp Too Low
Temp too High
See Table 12-2 for definitions
8.5.3 Buffering Method of Calibrating pH Electrodes
Recommended for most applications
This technique is recommended for best accuracy in most applications.
Materials
Materials required are:
• Two standard buffer reference solutions that are at least 2 pH apart from one another.
• A container for each, large enough to immerse the electrode to measuring depth.
• Distilled or de-ionized water to rinse the electrode.
Procedure
Make sure you have selected “PV Type –pH Glass, pH Durafet, or pH HPW ” in the
Inputs configuration - Table 6-5.
Refer to Section 6.4.1 –
General Rules for Editing.
- 70-82-25-119 1
- January 2009 1
- Notices and Trademarks 2
- About This Document 3
- Symbol Definitions 4
- Contents 5
- Figures 11
- 1 Introduction 13
- Introduction 14
- 1.2 Features 15
- 2 Specifications 17
- Specifications 18
- 2.2 CE Conformity (Europe) 19
- 3.1 Overview 21
- 3.2 Unpacking and Preparing 22
- 3.3 Mounting 22
- Panel Mounting Dimensions 23
- Panel Mounting Procedure 23
- Unpacking 24
- Unpacking 25
- Wall Mounting Dimensions 26
- 4 Power Wiring 27
- Power Wiring 28
- 4.4 Installing Power Wiring 29
- Figure 4-1 Power Wiring 31
- 5 Operating the Analyzer 32
- 5.2 Analyzer Overview 33
- 5.3 Key Navigation 34
- 5.4 Displays Overview 35
- Online Functions 36
- 5.5 Input Displays 37
- 5.6 PID Displays 38
- PID LOOP 1 39
- AUTO CYCLE 1 40
- Operating the Analyzer 41
- Operating the Analyzer 42
- 5.8 Pharma Display 45
- Stage 1Pharma Test 47
- 80.00PCT Warn 47
- 5.9 Cation Calc Display 49
- CATION CALC 51
- 5.10 Status Display 53
- between the 57
- 5.11 Event History 58
- 5.13 Modbus Communications 62
- 6 Configuration 63
- 6.2 UDA2182 Block Diagram 64
- 6.3 Main Setup Menu 65
- 6.6 Inputs Configuration 75
- Wire Size Sq mm 83
- 6.7 Outputs Configuration 86
- 6.8 Relays Configuration 88
- to display the 89
- Any Analog Signal 90
- See Table 6-3 90
- 6.9 Alarms Configuration 93
- 6.10 Monitors Configuration 95
- 6.11 Math Configuration 97
- (Linear Only) 98
- 6.12 Logic Configuration 99
- Configuration 101
- Select B 102
- Configuration 104
- ATTENTION 105
- Table 6-14 PID Tuning 109
- Table 6-15 PID Alarms 110
- – an adjustable overlap of 111
- “AUTOCYCLE FAIL ALARM” 116
- On-Line mode 116
- 2 Labels 123
- Label/Time 123
- Date/Time 123
- *ATTENTION 125
- 7 Inputs and Outputs Wiring 126
- 7.3 Inputs and Outputs 129
- Inside case with door open 130
- HPW7000 136
- HB Series pH or ORP 137
- 7.6 Conductivity 142
- 7.7 Dissolved Oxygen 143
- 7.8 Communications Card 145
- 7.9 Outputs 146
- 7.10 Option Card 147
- 8 Input Calibration 148
- 8.2 Calibration Menu 149
- Conductivity 150
- 8.5 pH Calibration 152
- Input Calibration 153
- Input Calibration 154
- Refer to Section 6.4.1 – 155
- Error Messages: 157
- Calibrate 158
- Percent Theoretical Slope 159
- Adjustment 159
- • Put the unit in “Hold” 161
- • DO NOT Remove the 161
- 8.6 ORP Calibration 163
- – Table 164
- Step Action Screen 166
- 8.7 Conductivity Calibration 169
- Procedure 172
- In the same screen as “ 174
- 8.7.7 Cation pH Calibration 175
- Overview 178
- Running a Probe Bias Scan 184
- Test initiation 184
- Display Graph 185
- “IN1 DO CAL” 188
- Reset Bias Volts” 189
- 9 Outputs Calibration 190
- 9.2 Output Calibration 191
- WARNING 192
- • Use the keys to 194
- • Use the keys to move 194
- • Repeat as required to 194
- • When all digits have been 194
- Outputs Calibration 195
- 20mA Offset 196
- Reset 4mA Offset” 196
- 10.1 Overview 197
- ” Input Temp Cal” 198
- (Read only) 199
- 11 Calibration History 201
- Overview 201
- • Press 202
- 12 Diagnostics and Messages 203
- Table 12-1 Status Messages 204
- Status Message Definition 205
- Fail Message Reason 206
- 12.5 Pharma Fail Messages 207
- Condition 207
- 13.1 Overview 208
- 14.1 Overview 209
- 14.2 Part Numbers 210
- 15 Appendices 211
- Appendices 213
- [Titanium Cells] 214
- Raise pH and oxidize cyanide 217
- Titration curve 217
- Appendices 218
- Batch Treatment 219
- Use of Chromates 220
- Ion Exchange 224
- Reverse Osmosis 224
- Parts Rinsing 225
- Steam Power Measurements 226
- Softener Monitor 226
- (For Conductivity) 228
- Cell Constant 229
- Hints for Reducing Noise 230
- Measurement 234
- Measured DO Currents 235
- Faradaic Interferences 236
- Sulfite Based Zero Testing 236
- Temperature 237
- Solubility 237
- (ppm, mg/L) 237
- Equipment Needed 239
- Oxygen Measurement Procedure 239
- To Calculate True Value 240
- Example Calculation 240
- Recommendations 241
- Cleaning 243
- Figure 15-9 243
- Calibration 243
- Low Dissolved Oxygen 243
- Figure 15-9 Auto Clean Setup 244
- Figure 15-10 Auto Cal Setup 245
- Index 248
- Two-Point AutoCal Operation* 249
- Two-Point Calibration 249
- W, X, Y, Z 255
- SE Asia Countries 258
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