Dräger Polytron 3000, Instructions Manual

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Intended Use
4
Intended Use
— Calibration by one person even in areas subject to explosion hazards.
— For connection to Dräger central units or to a programmable logic controller (PLC) to warn against physiologically harmful
gas concentrations.
— The optional display on the transmitter indicates the actual gas concentration and makes calibration easier.
False alarms during calibration are avoided by a special maintenance mode with output of a maintenance signal.
_______________
® Polytron is a registered trademark of Dräger.
DrägerSensor is a registered trademark of Dräger.
Dräger Polytron
®
3000 Transmitter for electrochemical sensors
— For stationary, continuous monitoring of gas concentrations in ambient air, with
built-in DrägerSensor
®
.
— For indoor and outdoor use.
— Suitable for use either in mines where firedamp may occur in accordance with
device category M1 or in potentially explosive atmospheres of Zone 0, Zone 1 or
Zone 2 in accordance with device category 1G, 2G or 3G.
For further details, see the installation notes.
ST–691–2002–1.eps