Accu4™ Low-range Turbidimeter System
Rev. 2-300
8
T A B L E O F C O N T E N T S ( c o n t i n u e d )
SECTION 3
ADJUSTING DISPLAY CONTRAST
............................................................. 37
SECTION 4
CONFIGURING THE ANALYZER
4.1 Selecting LANGUAGE to Operate Analyzer.......................................... 38
4.2 Configuring Sensor Characteristics:
SELECT UNITS ..........................................................................38-39
SET FILTER Time............................................................................ 39
Select PULSE SUPPRESS (on/off).................................................. 40
ENTER NOTE (top line of MEASURE screen)................................. 40
4.3 Configuring Analog Outputs (1 and 2):
SET 0/4 and 20 mA VALUES......................................................41-42
SET TRANSFER Value (mA) ........................................................... 42
SET FILTER Time............................................................................ 43
Select SCALE 0 mA/4 mA (low endpoint) ........................................ 43
4.4 Configuring Relays (A, B, C, and D):
SET FUNCTION Mode (alarm, control, or status).......................44-45
SET TRANSFER Mode (relay on or off) .......................................... 46
SET ACTIVATION (configuration values) ...................................46-48
4.5 SET PASSCODE (feature enabled or disabled) ................................... 48
4.6 Configuration Settings Summary (ranges/choices and defaults) .......... 49
SECTION 5
CALIBRATING THE ANALYZER
5.1 Things to Know About Calibration ....................................................50-51
5.2 PRIMARY CAL Method (requires formazin suspension):
Preparing Formazin Solution ......................................................51-52
Filling Sensor ..............................................................................52-54
Entering Value ................................................................................. 54
Resuming Operation ...................................................................54-55
5.3 CUBE CAL Method (requires optional Cal-Cube
TM
assembly):
Inserting Cal-Cube
TM
Assembly ..................................................55-56
Entering Value ............................................................................56-57
Resuming Operation ........................................................................ 57
5.4 SAMPLE CAL Method (requires sample with value
determined by laboratory analysis or portable meter) ......................57-59
5.5 Analog Outputs (1 and 2) Calibration...............................................59-60
SECTION 6
TEST/MAINTENANCE
6.1 STATUS Checking (analyzer, sensor, and relays)...........................61-63
6.2 CHECK CAL/HOLD Outputs ............................................................63-64
6.3 OVERFEED RESET (relay timers) ........................................................ 65
6.4 OUTPUT (1 and 2) Analog Test Signals ..........................................65-66
6.5 RELAY (A, B, C, and D) Operating Test................................................ 66
6.6 SENSOR TYPE Checking ................................................................66-67
6.7 EPROM VERSION Checking ................................................................ 67
