CO2 Meter TR250Z Kullanıcı Kılavuzu - Sayfa 7

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TR250Z Oxygen Transmitter – Manual

Standard Operation

The O2 transmitters comes factory calibrated for easy installation. During its life cycle calibration may

become periodically necessary. We recommend performing a span O2 calibration every month for

guaranteed operation and ensured accuracy. No other calibration is necessary during the life cycle of the

sensor.

To enter the service menu the buttons must be pressed in a factory‐set order. This code can be

customized before shipment but by default will be 1‐2‐3. The buttons must be pressed within a half

second of each other, else the unit will return to standard operating mode. When in the service menu

the unit will not update the current O2 readings. Once you enter the menu the display will read "1234"

or "2222".

1. Allow sensor to stabilize for at least 1 hour

2. Ensure the sensor is exposed to fresh air

3. Enter the service menu when you press 123 one after another in that sequentially.

4. The display will show 1234 flashing indicating that you are in the service menu

5. Press 2 to enter the Oxygen submenu

6. Press 2 again to perform the atmospheric calibration

7. Press 3 to escape

Rev. 27 April, 2015

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