CO2 Meter TR250Z, User Manual

Page: 4 / 13

TR250Z Oxygen Transmitter – Manual CO2Meter.com
Rev. 27 April, 2015 Pg. 4 of 13
Device Specifications
Measuring Range:
25% O2 0 ‐ 25% vol.
95% O2 0 ‐ 95% vol.
Repeatability:
0 ‐ 25% CO2 ± 0.05%, ± 1 % of measured value
0 ‐ 95% O2 ± 0.02%, ± 1 % of measured value
Accuracy
25% / 95% ±2% full scale
Power Supply:
Maximum Voltage 24VDC
Minimum Voltage 20VDC
Power Consumption 600mA @ 24VDC
Sensor Ratings:
Life Expectancy >15 years
Maintenance Interval No maintenance required
Warm ‐ up Time <15 min (instant measurements)
Outputs:
O2 Output Value 4 ‐ 20 mA, linearly scaled
2 ‐ 10VDC Optional
RS ‐ 485 Modbus Interface