Data logging

	Datalogger DL and BDL		Data logger DL-2, DL-4, DL-6
	Datalogger DL1 LT, DL1 LT WD (only German)		Measuring Station MCC 6
	Modular Multiplexer - Switching Type MUM		Well Logger BDL (only German)
	Multiplexer Switching MU		Doppellogger DLB dual 5/6 (only German)
	Programmable switching-Multiplexer MUX		Digitaler Schleppzeiger Controller DSC2 (only German)
	Digital controller DC2/DC4		Impuls Controller IC 8
	Dynamic Multiplexer switching MUD		Überspannungsschutz HUSS (only German)
	Synchronous logger SL2		Überspannungsschutz USS (only German)
	Dynamic Measuring Device DMA		Digital Controller Wireless DC-W