Table of Contents
I.
DESCRIPTION ..................................................................................................................4
II.
INDICATIONS FOR USE ...................................................................................................4
III.
SAFETY INFORMATION ...................................................................................................5
IV.
GENERAL OVERVIEW ......................................................................................................6
V.
FEATURES, COMPONENTS, AND CONTROLS ..............................................................7
A. Display Module Holder and IV Pole Holder ..................................................................8
B. Key and Symbol Descriptions ......................................................................................9
C. 90XL Screen Flow Diagram ....................................................................................... 10
D. 90XL Display Screens ................................................................................................ 11
1. MAIN Screen Overview ................................................................................... 11
2. MENU Screen Overview .................................................................................. 12
VI.
OPERATING INSTRUCTIONS ......................................................................................... 13
A. General ...................................................................................................................... 13
B. How to Connect / Disconnect a Sensor Module ......................................................... 14
C. Meter Configuration ................................................................................................... 15
D. Changing the Units of Measure .................................................................................. 16
E. How to Take Measurements ...................................................................................... 18
1. Conductivity and Temperature Measurements ................................................ 18
2. pH Measurements ........................................................................................... 18
3. How to Take Pressure Measurements ............................................................. 19
F. How to Verify Sensor Module Calibrations .................................................................. 21
1. 90XL Conductivity/Temperature Sensor Module ............................................. 21
2. 90XL pH Sensor Module .................................................................................. 23
3. 90XL Pressure Calibration Verification ............................................................ 24
G. Timer Function ........................................................................................................... 25
VII.
CALIBRATION INSTRUCTIONS ..................................................................................... 26
A. General Information ................................................................................................... 26
B. Resetting Factory Defaults (Applies to all module types) ........................................... 26
C. How to calibrate the conductivity/temperature sensor module ................................... 27
1. Low Range Conductivity Calibration ................................................................ 28
2. Mid-Range (Standard) Conductivity Calibration ............................................... 29
3. High-Range Conductivity Calibration ............................................................... 31
D. How to Calibrate the pH Sensor Module .................................................................... 33
E. How to Calibrate the Pressure Sensor Module .......................................................... 35
VIII. CLEANING, DISINFECTION, AND STORAGE ............................................................... 36
IX.
BATTERY INFORMATION .............................................................................................. 37
X.
90XL ACCESSORIES ...................................................................................................... 38
XI.
TROUBLESHOOTING ..................................................................................................... 40
XII.
USER ASSISTANCE AND FACTORY SERVICE ............................................................ 41
XIII. 90XL SPECIFICATIONS .................................................................................................. 42
XIV. LIMITED WARRANTY ..................................................................................................... 43
