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MARK-409T
Dissolved oxygen meter Measuring of dissolved oxygen concentration and temperature of aqueous mediums,
including deairated ones.
Continuous monitoring of chemical water treatment at thermal power
and nuclear power industry objects.
Warranty 12 months
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Basic kit:
- Converting unit
- DO sensor DO-409T
- Hydraulic panel
- DO sensor spare parts kit
- Electrolyte
- Operation manual
Optionally:
- DO sensor DO-409Т for the second channel
- Hydraulic panel for the second channel
- Extension cable up to 100 m
Convenience and accuracy of measurement
Measurement accuracy ±(0,001+3,5% of measured value) ppm.
Ability to work at small flow rates (min. 25 ml/min).
Routine maintenance 1 per year.
NEW high-stable sensor
High reaction speed.
Sealed ultra strong water-repellent membrane membrane.
The increased mechanical resistance of the construction.
Sleep mode when stored in air.
2 channels
Programmable ranges of measurements for each channel.
Independent measurements in two points.
Possibility of placing the converting unit on the remote distance from the point of control
Sensor cable length up to 100 m.
Communication with external devices
2 galvanic isolated current outputs 0–5/4–20/0–20mA.
RS-485 galvanic isolated port.
Communication protocol MODBUS RTU.
NEW Hydraulic panel HP-409T
Possibility of placement the measurement system at the sole panel.
Stainles conductive lines.
Regular maintenance and sensor calibration – without flow interruption.
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Measuring range |
Resolution |
Accuracy |
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DO concentration, ppm |
0-10 |
0,0001 |
±(0,001+3,5% of measured value) |
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Temperature, °С |
0-70* |
0,1 |
±0,3 |
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*automatic temperature compensation range |
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Environment requirements
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Temperature, °С |
0-70 |
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Water flow rate, ml/min, min. |
25 |
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Ambient overpressure, bar, max. |
0,1 |
Panel mounting
Wall mounting
Manual МАRК-409T
