Table of Contents
Advertisement
Introduction
1.3 Operator Interface
The DirectLine® Sensor operator interface consists of three pushbuttons and one 4-
digit, 7-segment LCD display with 3 decimal points, plus (+), and minus (–) signs. It
is responsible for the display of measured values and configuration of parameter
values.
1.4 Specifications
Display Ranges
Displayed Temperature Range
Display Accuracy
Display Resolution
Process Temperature
Model 4973/4905
Electronics Module Ambient
Temperature
Output Type
Output Calibration
Cell Constant/Cell Calibration
Factor Input
Output (Loop)
Output (Loop) User Termination
2
Conductivity: 0 to 2000 S/cm, 0 to 20.00 mS/cm,
0 to 1000 mS/cm
Resistivity:
Total Dissolved Solids (TDS): 0 to 2000 ppm,
0 to 2000 ppb, 0 to 200ppt
% Concentration: 0 to 20.00%
–10 °C to +140 °C (14 °F to 284 °F)
Conductivity/Resistivity: Greater of +/- 2 counts or
+/- 0.5% of reading
Concentration: +/- 0.5% of reading
Temperature: +/- 0.1°C from –10 to 99.9°C,
+/- 1°C from 100 to 140 °C
4 digits, floating decimal point
–10 °C to +140 °C (14 °F to 284 °F)
DL4000
0 °C to 65 °C (32 ° F to 149 °F)
–20 °C to +85 °C (–4 °F to +185 °F)
4-20 mA (2-wire loop powered)
4-20 mA
Automatic from EEPROM in Conductivity Cell (for
4973/4905 type cells only)
Manual input for DL4000 type cells
6m (19.7') cordset or shielded twisted pair with
field wiring connector
Tinned leads
DirectLine® DL423 Sensor Module User Manual
0 to 20.00 M-cm
9/11
Advertisement
Table of Contents
