Black & Decker MULTI-GAS DETECTORS Manuel d'utilisateur télécharger pdf (Page 44)

GasAlertMax

User Manual

Diagnostics Protection

The detector tests the ambient air (auto zero) and the test

gas that is applied (auto span) to ensure it meets expected

values.

If a significant level of background target gas is present during

an auto zero, the sensor(s) affected will read Err and exit the

auto zero function while retaining the previous set value(s).

In an auto span, if any target gas is not present or does not

meet expected values, the LCD advises you and exits the

calibration mode while retaining the previous set value(s).

Applying Gas to the Sensors

The calibration hose, which is shipped with the detector,

simplifies the sensor testing and calibration. Table 10 and

Figure 3 show how to use it when applying gas to the

sensors.

Table 10. Applying Gas to the Sensors

Item Description

1 Detector back

2 Calibration hose

3 Regulator and gas cylinder

Figure 3. Applying Gas to the Sensors

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 71 72

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Black & Decker MULTI-GAS DETECTORS Manuel d'utilisateur Page 44