LTH Electronics MTD75, Руководство по эксплуатации

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Introduction
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MTD75 Operation Guide
Introduction
pH Measurement
Input
(Optional)
Single ended or differential with solution ground.
Up to 100 meters cable.
Separate glass and reference electrode pair.
Combination electrode.
Other manufacturer’s sensors can be
accommodated.
pH Range of
Measurement
0.00 to 14.00 pH
pH Accuracy
± 0.05 pH
Temperature Input Electrodeless
Conductivity Input PT1000
pH Input PT100 or PT1000
Temperature Range
of Measurement
-50 °C to +160 °C
Temperature
Accuracy
± 0.2 °C (When using a 4 wire PT1000 - ECS)
± 0.2 °C (When using a 3 wire PT1000 – pH/Redox)
Linearity ± 0.1% of range
Repeatability ± 0.1% of range
Operator Adjustment
Slope Offset
Redox NA ± 400mV
Electrodeless
Conductivity
± 10% NA
pH 60-120% 3 to 11pH
Temperature NA ± 50 °C
Current Outputs
(Optional)
4 Current Outputs each selectable 0-20mA or 4-
20mA into 1000 ohms max.
Fully isolated to 2kV.
Expandable up to 5% of any operating range and
offset anywhere in that range.
Current Output
Adjustment ±0.01mA, 3 point 0-4-20 mA for remote monitor
calibration