Model 692P Rev. 9-898
TABLE OF CONTENTS (continued)
SECTION 3 SETUP VARIABLES
3.1 Calling Up Setup Variables........................................ 26
3.2 Entering Values.......................................................... 26
3.3 Setup Variables Call-Up Chart and
Table of Descriptions ........................................26-29
SECTION 4 INSTRUMENT STARTUP
4.1 Checking Battery Backup Jumper.............................. 29
4.2 Setting Sensor Input Type:
GLI 5-Wire Differential Technique Sensor............. 29
Conventional Combination Electrode................29-30
4.3 Selecting Temperature Display Units (°C or °F) ........ 30
4.4 Understanding Calibration ......................................... 30
4.5 Selecting Default State for Out-of-Range Condition .. 30
SECTION 5 TEMPERATURE CALIBRATION
5.1 Temperature Effects on pH Reading:
300 Ohm Thermistor Compensation ...................... 30
1000 Ohm RTD Compensation.............................. 30
Fixed Resistor Compensation................................ 31
5.2 Single-Point Method................................................... 31
5.3 Two-Point Method.................................................31-32
SECTION 6 pH CALIBRATION
6.1 Summary of Methods ............................................32-33
6.2 Conventional Single-Point Method........................33-34
6.3 Conventional Two-Point Method...........................34-35
6.4 “Two-Key” Two-Point Method:
Selecting This Method.......................................35-36
Entering Calibration Points
(by qualified person) .......................................... 36
Performing Calibration ......................................36-38
6.5 “Two-Key” Table Method:
Selecting This Method.......................................38-39
Entering Calibration Points
(by qualified person) .....................................39-40
Performing Calibration ......................................40-41
SECTION 7 OUTPUT SETUP
7.1 Using Range Expand Feature:
Setting Low Endpoint ........................................41-42
Setting High Endpoint .......................................42-43
7.2 Using Output Hold Feature ........................................ 43
SECTION 8 USING SECURITY LOCK FEATURE
8.1 Locking Stored Values ............................................... 43
8.2 Unlocking Stored Values............................................ 44
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