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MARK-902
MARK-902
pH-meter
Is a dual-channel meter for continuous measuring of pH (absolute and adjusted to 25°C), mV and temperature of water and aqueous solutions. Warranty 12 months

Basic kit:

  • Converting unit
  • Sensor unit SU-902 comprised of:
    – amplifier unit
    – temperature sensor
    – electrodes ES-10601/7, ESR-10106/3.0
  • 5 meter connecting cable C902.5
  • Hydraulic panel HP-902
  • Operation manual

Optionally:

  • Sensor unit SU-902 for the second unit
  • Hydraulic panel HP-902 for the second channel
  • Connecting cable C902.L up to 100 m
  • OPC-server
Advantages
Specification
Overall and fixing dimensions
Documents

2 channels
Programmable ranges of measurements for each channel.
Independent measurements in two points.

Convenience and accuracy of measurement, minimum maintenance
Automatic temperature compensation.
Two-buffers calibration, buffer auto recognition.

«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.

 
Measuring range
Resolution
Accuracy
pH
0-151
0-122
0,001
±0,021
±0,052
mV

-1000/ +1000
1
±2
Temperature, °С
5-50*
0,1
±0,3
 
1 for converting unit, 2 the pH-meter with the sensor incorporated
*automatic temperature compensation range
Mounting
Wall
Panel
Dimensions, mm
266*170*95
252*146*100
Weight, kg
2,60
2,60
 
 
Power supply
220 V, 50 Hz /10 V·А

 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

Temperature, °С

5-50

Water flow rate at work with the hydraulic panel HP 902, dm3/min

0,1-2

Panel mounting










Wall mounting

       

DataSheet МАRК-902

Manual МАRК-902

Additional
8-800-100-23-22 (доп.формы связи в разделе Контакты)