RKI Instruments 65-2400RK - Manual (Page 14)

10 • 65-2400RK Combustible Gas Transmitter
begin to flow.
2. Allow the gas to flow for two minutes, then verify that the reading is within ± 20% of
the response reading you determined earlier.
NOTE: If the reading is not within ± 20% of the correct response reading, calibrate the
transmitter as described in “Calibration” on page 14 of this manual.
3. Turn the regulator’s on/off knob clockwise to close it.
4. Unscrew the regulator from the calibration cylinder.
5. Unscrew the calibration cup from the detector.
6. Remove the voltmeter leads from the amplifier test points.
7. Reinstall the junction box cover.
8. When the controller display reading falls below the alarm setpoints, return the
controller to normal operation.
Quarterly
Calibrate the combustible gas transmitter as described in “Calibration” on page 14 of this
manual.