Energizer PORTABLE GAS DETECTION INSTRUMENT Manual de usuario descargar pdf (Pagina 11)

11

Dilution Fresh Air Cal

Please Wait….. 8

The Cannonball 3 will then proceed to

the automatic span calibration.

SPAN CALIBRATION

MODE = ADJUST 5

6. If span calibration is not required,

allow the unit to complete the 5-

second countdown without pressing

any buttons.

Press MODE before the before the end

of the 5-second countdown to initiate the

span calibration sequence. The

Cannonball 3 will then temporarily

disable the dilution pump and show the

following screen:

APPLY GAS

MODE = CANCEL

7a. If using a calibration balloon, fill the

empty balloon with calibration gas

until it is nearly full. Connect the

calibration balloon assembly to the

inlet coupling on the Cannonball 3.

Continue to flow gas to the balloon

throughout the span calibration

procedure.

7b. If using a demand flow regulator,

connect it and flow gas to the

instrument.

Failure to purge the

calibration balloon of all gas prior to

inflation with calibration gas may

result in inaccurate and potentially

dangerous readings.

Make sure the

calibration balloon is filled with the

appropriate calibration gas before

attempting to calibrate the Cannonball

3. Use of improper calibration gas or

failure to nearly fill the calibration

balloon may lead to inaccurate and

potentially dangerous readings.

The Cannonball 3 automatically

recognizes the type of gas supplied and

automatically adjusts the sensors.

The instrument will then show the

following screen as each sensor that may

be calibrated using the current gas

mixture is adjusted in turn. The span

adjustment process from this point on is

automatic and requires no user input.

LEL Sensor Reading 49

CO Sensor Reading 51

H

2

S Sensor Reading 24

Multi Cal Gas Detected

Once the readings stabilize, the

Cannonball will automatically adjust itself

so that the sensor readings match the

expected gas concentration values as

they appear in the gas values

subdirectory of the Calibration Menu.

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