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Table of Contents
Section 1 Specifications .................................................................................. 3
Section 2 General information ....................................................................... 5
2.1 Safety information ....................................................................................... 5
2.1.1 Use of hazard information ................................................................ 5
2.1.2 Precautionary labels ......................................................................... 6
2.2 Overview ..................................................................................................... 6
Section 3 Installation ........................................................................................ 7
3.1 Probe connections ...................................................................................... 7
3.2 Probe connection installation ...................................................................... 8
3.2.1 Connect the glass pH or ORP .......................................................... 8
3.2.2 Connect the ISFET pH probe ........................................................... 8
3.2.3 Connect the conductivity probe ........................................................ 9
3.2.4 Phono jack for BNC probe temperature sensors .............................. 9
Section 4 Operation ........................................................................................ 11
4.1 Keypad description ................................................................................... 11
4.2 Display description .................................................................................... 13
4.3 Meter setup functions ............................................................................... 14
4.3.1 Set stabilization lock ON or OFF .................................................... 14
4.3.2 Set the temperature display ............................................................ 15
4.3.3 Turn the sound ON/OFF ................................................................. 16
4.3.4 Meter automatic shutoff time .......................................................... 17
4.3.5 Clearing calibration points .............................................................. 18
4.4 ERROR CODES ....................................................................................... 20
Section 5 pH Operations ............................................................................... 21
5.1 Set the pH options .................................................................................... 21
5.1.1 Set the pH resolution: 0.1 pH or 0.01 pH ........................................ 21
5.1.2 Set the 2 and 3 point pH calibration ............................................... 21
5.1.3 Set the pH calibration method ........................................................ 22
5.2 Set the manual temperature compensation for glass pH electrodes ........ 24
5.3 pH calibration ............................................................................................ 25
Section 6 Conductivity & TDS Operations .............................................. 29
6.1 Set the Conductivity options ..................................................................... 29
6.1.1 Set the conductivity calibration points ............................................. 29
6.1.2 Set the conductivity temperature .................................................... 29
6.1.3 Set the conductivity probe cell constant ......................................... 30
6.2 Set the TDS options .................................................................................. 31
6.2.1 Set the TDS conversion factor ........................................................ 31
6.2.2 Set TDS units ................................................................................. 32
6.2.3 Set salinity units: ppm (ppt) or % .................................................... 33
6.3 Conductivity and TDS calibration ............................................................. 33
Section 7 Maintenance .................................................................................. 37
7.1 ISFET pH probes maintenance ................................................................. 37
7.1.1 Calibrate and verify ......................................................................... 38
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