Rki-instruments 65-2322RK Manuale Utente

RKI Instruments, Inc.www.rkiinstruments.com65-2322RKOxygen TransmitterOperator’s ManualPart Number: 71-0157RKRevision: AReleased: 7/3/14

6 • 65-2322RK Oxygen TransmitterWiring the Oxygen Transmitter to a ControllerWARNING: Always verify that power to the controller is off before you ma

65-2322RK Oxygen Transmitter • 7Figure 4: Wiring the Oxygen Transmitter to a Controller12. If shielded cable is used, connect the cable’s drain wire

8 • 65-2322RK Oxygen TransmitterStart UpThis section describes procedures to start up the oxygen transmitter and place the transmitter into normal op

65-2322RK Oxygen Transmitter • 911. Turn the regulator’s on/off knob clockwise to close it.12. Unscrew the calibration cup from the detector.13. Unsc

10 • 65-2322RK Oxygen TransmitterPerforming the response test1. Exhale into the bottom of the oxygen detector for a few seconds.2. Stop exhaling into

65-2322RK Oxygen Transmitter • 11Replacing Components of the Oxygen TransmitterThis section includes a procedure to replace the plug-in oxygen sensor

12 • 65-2322RK Oxygen TransmitterReplacing the Oxygen DetectorNOTE: In most cases, it is only necessary to replace the plug-in sensor.1. Turn off the

65-2322RK Oxygen Transmitter • 13amplifier connections.NOTE: When a transmitter is first powered up with a new amplifier, the initial output may be e

14 • 65-2322RK Oxygen Transmitter5. Use the following formula to determine the correct test points output for the calibrating sample.Output (mV) = (c

65-2322RK Oxygen Transmitter • 15Returning to Normal Operation1. Remove the voltmeter leads from the amplifier test points.2. Secure the junction box

65-2322RK Oxygen TransmitterWARNINGRead and understand this instruction manual before operating detector. Improper use of the detector could result i

65-2322RK Oxygen TransmitterProduct WarrantyRKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defects in materials, workm

65-2322RK Oxygen TransmitterTable of ContentsOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

65-2322RK Oxygen Transmitter • 1OverviewThis instruction manual describes the explosion proof capillary type oxygen transmitter65-2322RK. This manual

2 • 65-2322RK Oxygen TransmitterDescriptionThis section describes the components of the oxygen transmitter. The oxygen transmitter is a 4 - 20 mA typ

65-2322RK Oxygen Transmitter • 3Oxygen DetectorThe oxygen detector consists of the detector housing body, detector housing cap, cap gasket, and the p

4 • 65-2322RK Oxygen TransmitterAmplifierThe amplifier converts the electrical output from the detector to a 4 to 20 mA signal that corresponds to th

65-2322RK Oxygen Transmitter • 5from a mounting surface and ensure that there is enough room to install a calibration cup on the detector during cali