Table of Contents
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1. Introduction
Thank you for selecting an accumet
microprocessor-based instrument that measures pH, conductivity, Total Dissolved
Solids (TDS) and temperature. Your meter has many user-friendly features, all of
which are accessible through the membrane keypad.
Your meter includes a single-junction pH electrode, a combination conductivity/
temperature probe, and batteries. Please read this manual thoroughly before
operating your meter.
4
AP85 meter. This portable meter is a
®
2. Display and Keypad Functions
Display
2.1
The LCD has a primary and secondary display.
• The primary display shows the measured pH or conductivity reading.
• The secondary display shows the temperature of the reading.
The display also shows error messages, keypad functions and program functions.
2.
1.
19
18.
17.
16.
15.
14.
13.
12.
7.
1.
SETUP mode indicator
Parts per thousand
indicator (TDS)
2.
MEASurement mode
8.
indicator
Parts per million
indicator (TDS)
3.
CALibration indicator
9.
Temperature
4.
pH measurement
indicators
indicator
10.
pH setup indicator
5.
Millisiemens indicator
11.
Automatic
(conductivity)
Temperature
6.
Microsiemens indicator
Compensation
(conductivity)
indicator
Primary display
3.
4.
5.
6.
7.
8.
9.
10.
11.
Secondary display
12.
ERRor indicator
13.
Low battery indicator
14.
Probe indicator
15.
Calibration indicator
16.
Cell constant indicator
17.
ON/OFF indicator
18.
HOLD indicator
19.
READY indicator
5
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