Specification
MXD70 Electrodeless Conductivity
Setup and Operating Guide
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Specification
Electrodeless Conductivity Input Card
Specification
Measurement Input
ECS20 or ECS40 Series electrodeless conductivity sensor.
Connection Cable
Up to 100 meters LTH 54E.
Ranges of Measurement
0-999.9μS/cm, 0-9.999mS/cm, 0-99.99ms/cm, 0-999.9mS/cm
0-999.9 ppm, 0-9999 ppm, 0-99.99 ppt (parts per thousand).
0 to 16.00% NaOH – Sodium Hydroxide
0 to 30.00% NaCl – Sodium Chloride
0 to 15.00% HCl – Hydrochloric Acid
0 to 25.00% H
2
SO
4
– Sulphuric Acid
0 to 25.00% H
3
PO
4
– Phosphoric Acid
0 to 25.00% HNO
3
– Nitric Acid
0 to 41.00 ppt Salinity
Custom Range -
Defined by a user entered 2 to 9 point curve. (Two
independent curves per channel).
User defined scale: 0 to 999.9, 0 to 99.99, 0 to 999.9, and 0 to
9999.
User defined units up to 5 characters.
Range Selection
Internal single or auto range, or external range selection via
digital inputs.
Cell Constant Adjustment
Fully adjustable from 00.00 to 10.00
Conductivity Accuracy
± 1% of range.
Linearity
± 0.1% of range.
Repeatability
± 0.1% of range.
Operator Adjustment
(Conductivity)
Conductivity ± 10% slope.
Solution ±20% offset.
Temperature Sensor
Pt1000 RTD input. Up to 100 meters of cable. Temperature
sensor can be mounted in the sensor or separately.
Range of Temperature
Measurement
-50 °C to +160 °C (-58 °F to +320 °F) for full specification.
Temperature Accuracy
0.2 °C (When using a 4 wire PT1000)
Operator Adjustment
(Temperature)
± 50 °C or ± 122 °F
Range of Temperature
Compensation
-10 °C to +150 °C (+14 °F to +302 °F) for full specification.
Temperature Compensation Type
Variable slope 0 - 3.9 %/°C over -10 to +150 °C. Selectable In
or Out.
Temperature Compensation Base
Selectable at 20 °C or 25 °C.
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