Energizer PORTABLE GAS DETECTION INSTRUMENT Bedienungsanleitung PDF herunterladen (Seite 10)

Introduction Tetra

I. Introduction

Thank you for purchasing the new Tetra Personal Multigas Monitor. Tetra is a

portable multigas detector, designed to be carried or worn by individuals work-

ing in hazardous environments such as confined spaces. It is suitable for use

in Zone 1 and 2 hazardous areas. Tetra can monitor up to four different gases

and display the readings simultaneously on a display screen. Alarm warnings are

given through a combination of a loud audible alarm, a bright visual alarm of

blue/red flashing LEDs and an internal vibrator. Tetra can be fitted with a wide

range of modular, plug and play gas sensors. Each sensor carries an intelligent

processor which contains calibration and sensor information.

Tetra is battery operated and is available with rechargeable and non-recharge-

able battery options. The rechargeable unit contains its own internal charger, a

battery charger power supply is available for 110 V or 230 V a.c. see section XI

for more information.

At Crowcon we recognised the need for a reliable and robust confined space

personal monitoring system, which is lightweight, compact, easy to use and

cost effective. Tetra has a single operator button, and an intelligent user-friendly

display with automatic backlight. Gas levels are continuously monitored provid-

ing normal gas readings, peak readings and time weighted averages (TWA).

Tetra is available as a diffusion sampling instrument or with built in electric

sampling pump. Configuration and data/event logging is handled by Crowcon

Portables PC software, the PC communication link being provided through a

fast, reliable optical link.

Tetra’s shape and design makes it comfortable to wear and as non-intrusive

as possible, with a non-slip grip for better handling. Extra accessories, such as

shoulder strap and chest harness, can be purchased.

Tetra has been designed from top to bottom to bring you a revolution in ease

of use, maintenance and extreme reliability. Through innovative and rigorous

design technology, we have introduced several new features.

i-module gas sensor

Tetra uses unique plug and play i-module sensor technology. Each sensor unit

incorporates its own intelligent processor holding sensor configuration and

calibration data. Different sensors can be purchased, and once inserted, are

immediately ready to run. Tetra can operate with up to four sensors and dis-

play, simultaneously, information and gas readings for all the sensors on one

screen. This means no redundancy and assured future investment in your Tetra

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Energizer PORTABLE GAS DETECTION INSTRUMENT Bedienungsanleitung Seite 10