Datastick Dissolved Oxygen Meter

The DataStick System can be connected directly to a PLC (Programmable Logic Controller) to give seamless integration with industrial control systems. When attached to a computer, data can be displayed and the unit can be calibrated and customised without the need for an intermediate analyser electronics box. There is also a wide range of 'plug-and-play' communications adapters available for the unit, including Modbus? RTU, DeviceNet, Profibus, USB, CANopen or Ethernet. The pre-calibrated Dissolved Oxygen sensor head uses Clark cell technology consisting of a silver reference electrode, a silver anode and a gold cathode. It can be replaced with any of the wide range of DataStick sensor heads while the system is operational, saving time and money. The sensor has a rugged foul resistant membrane, a built in pre-amplifier and an integral temperature sensor to measure temperature independently. The onboard electronics of the sensor are completely encapsulated and O-ring sealed for protection from humidity and moisture. DataStick Measurement System
DO Measurement System Specifications
Performance
Range 0 to 40 ppm, 0 to 200% saturation
Resolution 0.01 ppm
Accuracy 1% of reading
Step Response Time 90% in 90 seconds
Operational Environment
Temperature Range ?5 ?C to 50 ?C
Maximum Pressure 65 psig @ 50 ?C
Maximum Flow Rate 10 ft/second
Power Requirements
Voltage Range 10 to 30 VDC
Maximum Power 200 mW
Typical Power 120 mW
Construction
Process Electrodes Gold cathode, silver anode, silver reference (3 electrode polarographic clark cell)
Membrane FEP Teflon?
O-rings Viton? (other materials available)
Sensor Head Material PEEK
DataStick Material 316 stainless steel, PEEK or CPVC
Weight 1.2 lbs (PEEK or CPVC)
2.6 lbs (316 stainless steel)
Units of Measure
Measurement Units ppm, %
Temperature Units ?C, ?F
Calibration
Air Automatically adjusts for set pressure
Sample 1 point
Zero 1 point
Temperature 1 point
Compensation Options
Salinity 0 mS/cm to 999.9 mS/cm
Pressure 539.2 mm Hg to 792.4 mm Hg
Temperature Automatic from ?5 ?C to 50 ?C
Other Configuration Options
Sensor Filter 0 to 100 seconds
Temperature Filter 0 to 100 seconds
Approvals and Ratings
Immunity & Emissions CE Certified 89/336/EEC:CISPER 11, EN61000 (-4-2,-4-3,-4-4,-4-6, 4-8)
Safety cULus Listed; 367G E303570
Hazardous Locations Haz Loc Class 1, Division 2, Groups A, B, C, D. Max Ambient 50?C
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