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MARK-409
Dissolved oxygen meter Is a dual-channel meter for continuous measurements of low-level (ppb) dissolved oxygen concentration and temperature of water and aqueous solutions.
Warranty 12 months
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Basic kit:
- Converting unit
- DO sensor DO-409 with 5 meter cable
- Spare parts kit
- Electrolyte
- Hydraulic panel HP-409 or flow-stabilizing module FSM-402M
- Operation manual
Optionally:
- DO sensor DO-409 for the second channel
- Hydraulic panel HP-409 or flow-stabilizing module FSM-402М for the second channel
- Extension cable up to 95 m
- OPC-server
2 channels
Programmable ranges of measurements for each channel.
Independent measurements in two points.
Convenience and accuracy of measurement, minimum maintenance
Automatic temperature and barometric pressure compensation.
Automatic one-point calibration in air.
Long-lived sensor
Lifetime of the oxygen sensor is min. 10 years.
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.
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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DO concentration, ppm |
0-101 |
0,0001 |
±(0,0027+ 3,5% of measured value) |
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Temperature, °С |
0-70* |
0,1 |
±0,3 |
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1 |
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Mounting |
Wall |
Panel |
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Dimensions, mm |
266*170*95 |
252*146*115 |
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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
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Temperature, °С |
0-70 |
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Sample flow rate through a flow-stabilizing module, dm³/min |
0,07-5 |
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Sample flow rate at the hydraulic panel input, dm³/min |
0,08-5 |
Hydraulic panel HP-409 provides stabilization, filtration, indication of the sample flow and temperature protection
Hydraulic panel HP-409 is recommended for use with a large number of impurities, primarily of iron oxides
Panel mounting
Wall mounting
Manual МАRК-409
