CM-0134 25% O2 Transmitter
CM-0134-WT 25% O2 Transmitter with Tube Sampling
CM-0150 25% O2 with Mount Shield
CM-0160 95% O2 Transmitter
CM-0160-WT 95% O2 Transmitter with Tube Sampling
CM-0161 95% O2 with Mount Shield

The TR250Z is a long life 0-25% or 0.1-95% oxygen level transmitter that provides multiple analog linear outputs of O2 concentrations. It is designed to be rugged, maintenance-free and can be calibrated in normal air of any known oxygen concentration. Multiple transmitters may be daisy chained for via RS485, base address for each sensor is via on board jumper.

The Fujikura oxygen sensor used in the TR250Z is a zirconium based, current limiting sensor. This style of sensor has many advantages over other ways of measuring oxygen. For example, it does not require periodic calibration or replacement. If the air is clean, once the sensor or sensor assembly is calibrated to the electronics that drive the heater circuit and read the output, you do not have to reset them. The sensor will last at least 3 years and more if the guidelines for use are followed. Most competitive chemical cell types last 6 months to a year. 

Reference gases are not required for proper operation or set up as is the case with Zirconia Concentration Cell or galvanic cell sensors. 

Accuracies of /- 0.5% oxygen concentration are standard with these sensors. Chemical cells typically run 2 to 5%.

FEATURES:

• Measures up to 25% or 95% Oxygen levels
• Can be calibrated in normal air or any known O2 concentration
• Non-consumptive technology
• Automatic or manual calibration
• Linear 2...10 V, 4...20 mA or RS485-MODBUS output of measured oxygen content
• High accuracy
• Compatible with the AQ500 controller, RE100 relay output boards and AF100 Analog (4-20/ 0-10) boards.

SPECIFICATIONS:

• Measurement Range: 0 – 25% or 0.1-95% O2
• Sensing Method: Zirconium dioxide (ZrO2)
• Sampling Method:
• Diffusion Response Time: 4 seconds max diffusion time
• Sensitivity: ± 20 ppm ± 1 % of measured value
• Accuracy: ± 0.5% (2% full scale)
• Pressure Range: 2 to 3,000 mbar

ELECTRICAL/MECHANICAL:

• Power Input: 24VDC ±10%
• Current Consumption: 600 mA @ 24VDC
• Dimensions: 3.5 x 2.75 x 0.50 inches

COMMUNICATION:

• Analog: Linear 0-10V or 4-20mA
• Digital: RS485

WARRANTY:

• 90 days

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