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MARK-902ld
pH-meter Is a dual-channel meter for continuous in-line measurements of pH and temperature
of water and aqueous solutions.
Warranty 12 months
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Basic kit:
- Converting unit
- Sensor unit SU-902LD comprised of:
– amplifier unit
– temperature sensor
– electrode ES-10601/7 - 5 meter connecting cable C902.5
- Operation manual
Optionally:
- Sensor unit SU-902 for the second unit
2 channels
Programmable ranges of measurements for each channel.
Independent measurements in two points.
Convenience and accuracy of measurement, minimum maintenance
Two-buffers calibration, buffer auto recognition.
General line-dip «active» sensor unit
Digital communication channel of the sensor with the converting unit – up to 100 m.
Communication with external devices
2 galvanic isolated current outputs 0–5/4–20/0–20mA.
RS 485 galvanic isolated port.
Programmable setpoints for each channel.
Durable aluminum case IP65
Instrument is protected from dust and moisture.
Graphic LCD display with backlight
Easy input of all parameters by keypad.
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Measuring range |
Resolution |
Accuracy |
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pH |
0-12 |
0,01 |
±0,2 |
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Temperature, °С |
5-50 |
0,1 |
±0,3 |
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Mounting |
Wall |
Panel |
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Dimensions, mm |
266*170*95 |
252*146*100 |
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Weight, kg |
2,60 |
2,60 |
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Power supply |
220 V, 50 Hz /10 V·А |
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Environment requirements
Water and water solutions free from fluoric-hydrogen acid
or its salts and agents which generate sediments or films on the electrode surface
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Temperature, °С
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5-50
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Ambient overpressure, bar , max .
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0,251
10,02
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¹ with pH–electrode ESK 10617/7,
² with foreign pH-electrode
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Panel mounting
Wall mounting
Manual МАRК-902ld
