Energizer PORTABLE GAS DETECTION INSTRUMENT Instrukcja Użytkownika Pobierz pdf (Strona 13)

Tetra Run mode

2.2 Run mode

The Tetra unit will display up to four gas readings simul-

taneously on the operator display screen. A typical display

with four sensors installed, is shown below.

Each channel will display the gas name, units and current

value. Familiarise yourself with the gases currently being

monitored in your unit. Ensure you understand site health

and safety procedures. For information on peak and TWA

readings, go to section 2.4.

Confidence signals

To reassure users the unit is working correctly, the Tetra unit

will emit a short beep every 10 seconds and the OK icon

will flash. The pump is running correctly when the icon is

revolving.

2.3 Display symbol guide

Battery

A full battery is represented by a battery icon showing a full

six bars. A low battery charge will show 1 to 2 bars. When

zero bars are shown the battery icon flashes. The sounder

will emit warning bleeps.

If the battery becomes too low, Tetra will display a ‘Battery

low’ warning message and switch off.

Internal pump

This revolving icon indicates the internal pump is running. If

the pump or airway becomes blocked, the unit will emit a

warning sound and display a warning message. Check the

flow adaptor and sample lines are free from dirt or water,

and that the sample line is not kinked or blocked. Restart

pump by pressing the operator button.

CH4 %LEL CO ppm

H2S ppm

O2 %

0.0

20.8

Flashing

icon, Tetra

running

normally

Pump

Battery

Screen Icons

Auto zero

Warm up

Full

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 35 36

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