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Explosion-proof monitoring device / measuring device
This range of products is intended for panel mounting and includes hour meters (available for connection in AC - synchronous motor, and DC - quartz clock mechanism, circuits), ammeters and voltmeters (with moving coil or moving iron movement for DC or AC measurement, packed in Ex d enclosures), potentiometers (Series 8218 available as slide-wire potentiometers - 10 W and as precisions potentiometers - 3 W or 5 W), preset pulse counters (for high input frequency of 5 kHz, various input options, high counting accuracy as well as security against interference voltages) as well as time relays (with adjustable pre-selected time range and time setting).