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Transmitter with display for selective oxygen monitoring


If you need to reliably monitor oxygen over a long period of time, the ZD22 D transmitter is a durable and economical solution. The ZD22 D transmits measured values and status indications via analogue (0.2-1 mA or 4-20 mA) or digital (RS-485) signal, while also displaying them on site. In the event of an alarm, its internal buzzer will warn everybody in the vicinity using a loud acoustic signal. In combination with GfG's reliable controllers it can be installed in new gas detection systems or retrofitted into existing ones.

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