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Highlight: | dissolved oxygen sensor,portable dissolved oxygen meter |
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Professional Tengine Trace Dissolved Oxygen Analyzer / Meter - MDO10AC For Power Plant
1. Application
Used for trace dissolved oxygen ( ppb ) measurement
• Power plant
• Semiconductor industry
• Pharmaceutical industry
• Food industry
2. Features and Benefits
• Based on the innovative principle of utilizing fluorescence to measure dissolved oxygen,no need to replace membranes and only low-maintenance needed.
• No oxygen consuming during operating , do not need stir or flow.
• Digital sensor has good anti-interference performance and high stability, and the cable length is available in hundreds of meters.
• “plug and play” sensor, and dual-channel transmitter • operates either 1 or 2 sensors.
• Modbus RS485/RS232 or Profibus DP network connection for data transmission is Optional
• 3 Relays with programmable hysteresis provide high-limit alarm, low-limit alarm or timer.
• A built-in data logger with the capacity to store data for up to 10 years
3. Specifications
Performance characteristics |
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Measuring Range |
0~1800μg/L(ppb),Temperature: 0~50℃ |
The lowest value detected |
1ppb |
Accuracy |
±1ppb±3% |
Response time |
90%<40s, at 20ºC |
Temperature compensation |
Automatic |
Calibration |
Factory calibrated, also can be calibrated by customer on site |
Display |
LCD displays data including date, time, measurement value, trendline, etc., English menu |
Data storage |
Auto-save function(Automatic Data Storage for up to 10 years), power-off data protection |
Setup |
Completed by transmitter pushing the buttons on the transmitter |
Outputs |
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Analog Outputs |
Two isolated 0/4-20 mA output( maximum load 800 ohms), optional selection of 3.8mA or 21mA(under the condition of malfunction) |
Relay outputs |
3 Relays with programmable hysteresis, alarm or timer function optional |
Relay capacity |
2A, 250VAC |
Digital Communication |
MODBUS RS232/RS485,Profibus DP is optional |
Power supply |
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AC power supply |
85~265 VAC, 50Hz/60Hz |
DC power supply |
24 VDC ±10% |
Physical parameters |
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Dimension of Transmitter |
231×185×119mm(W×H×D) |
Dimension of Sensor |
Φ45×118 |
Materials |
--Transmitter: PC --Sensor: 316L stainless steel |
Process connection of sensor |
1 inch cone male thread |
Environmental conditions |
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Ingress protection |
--IP66 (transmitter) --IP68 (Sensor) |
Operating Temperature |
--Transmitter: -20~60℃ --Sensor: 0~50℃ |
Ambient Relative Humidity |
0 to 95%, non-condensing |
Operating Pressure |
≤7.5Bar |
4. Ordering Information
Ordering Information |
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Transmitter Selection |
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Channel number |
Signal output |
Power version |
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MDO |
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code |
meaning |
code |
meaning |
code |
meaning |
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1 |
Single channel |
0 |
4~20mA |
AC |
220VAC |
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2 |
Dual channel |
1 |
RS 485(Modbus) |
DC |
24VDC |
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2 |
RS 232(Modbus) |
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3 |
Profibus DP |
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Example: MDO10AC, single channel dissolved oxygen transmitter, output 4~20mA, 220V AC Power Supply. |
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Sensor Selection |
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Install mode |
Cable length |
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MDO-S |
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code |
meaning |
code |
Meaning |
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0 |
Immersion installation |
C10 |
10m cable |
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CXX |
XXm cable |
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Example: MDO-S0C10, a MDO sensor, Immersion Mounting , 10m cable. |
(3) Accessories
FA0000: Immersion mounting bracket, stainless steel
FA0031: Circulation mounting accessory, PVC
FA0800: Instrument protective housing, stainless steel
FA0810: Instrument protective housing, stainless steel, with heater unit
Contact Person: Miss.
Tel: 10-65569770
Fax: 86-10-8563-2312
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