Table of Contents
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Cable Lengths Remote Sensor:
Quick Disconnect
Power
Local Display and Buttons
Engineering Units (Labels)
Calibration Options
Solution Temperature
Compensation
Diagnostics
Case
Approvals
Remote Mounting
Dimensions
Weight
9/11
Integral Cable
6m (19.7') (cable integral to conductivity cell)
2m (6.56'), 3m (9.84'), 6m (19.69') and 15m
(49.21')
16-42 Vdc, 23mA max
Maximum load resistance: 250 ohms at 16 Vdc
LCD 4-digit, 7-segment
S/cm, mS/cm, M-cm, ppm TDS, ppb TDS, ppt
TDS, %NaOH, %HCl, %NaCl, %H2SO4
Cal Trim Factor, 1 Point Cal Solution
Acid (Cation/Ammonia), Salt (Neutral Salts),
NaCl, HCl, NaOH, H
Conformance)
Sensor and electronics
Weatherproof, corrosion/impact-resistant housing,
IP66
CE Mark - for Industrial Applications
UL – General Purpose for Process Control
CSA - General Purpose
FM Class1, Div. 1 (I.S.)
FM Class 1, Div. 2 (non-incendive field wiring)
Pipe, Wall, or DIN Rail
H 123 mm (4.84") x W 48 mm (1.89") x D 46 mm
(1.81")
Approximately 142 g (5.0 oz.)
DirectLine® DL423 Sensor Module User Manual
Introduction
600 ohms at 24 Vdc
1400 ohms at 42 Vdc
SO
, and None (for USP24
2
4
3
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