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RKI Instruments 65-2435RK User Manual

Page 18

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18 • 65-2435RK CO Transmitter

2. Allow the gas to flow for two minutes, then verify a reading of 100 mV (± 2mV). If necessary,

use the zero potentiometer on the amplifier to adjust the reading to 100 mV (± 2mV).

3. Unscrew the regulator from the zero air calibration cylinder.

Returning to Normal Operation

1. Remove the voltmeter leads from the amplifier test points.

2. Unscrew the calibration cup from the detector.

NOTE: For convenience, leave the components of the calibration kit connected by the sample

tubing.

3. Secure the junction box cover to the junction box.

4. Return the controller to normal operation.

5. Verify that the controller display reading stabilizes at 0 ppm.

6. Store the components of the calibration kit in a safe and convenient place.