Rki-instruments GX-86A Manual de usuario descargar pdf (Pagina 22)

Model GX-86A Instruction Manual

RKI Instruments, Inc. Page 21

3. Demand Zero

Press and hold the AIR/▲ switch on the control panel until a tone

sounds. Follow the instructions on the display:

The instrument will automatically set the LEL and toxics circuits

to zero and the O

circuit to 20.9%.

Calibration Start-up

1. Preparation

Assemble the calibration cylinder (Four-Gas for Auto Calibration,

or a speciﬁc cylinder for separate gas calibration), valve/regulator,

ﬂowmeter, and adapter cup.

Note

Allow adequate time for the GX-86A to respond to changes

in adjustment. Adjust the controls in small increments, then

wait approximately 3 seconds for a change in reading.

Ignore alarms during the calibration procedure.

DEMAND ZERO

HOLD AIR KEY

ADJUSTING ZERO

HOLD AIR KEY

ZERO ADJUSTED

RELEASE AIR KEY

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Rki-instruments GX-86A Manual de usuario Pagina 22