LOW VOLTAGE POWER DISTRIBUTION/Timers, Relays and Meters/Displaying measurement meters/Digital frequencymeter EKDP7/Declaration%20of%20conformity-%20DIGITAL%20FREQUENCY%2CAMPERE%20AND%20VOLTMETER%20EKDP7.pdf
LOW VOLTAGE POWER DISTRIBUTION/Timers, Relays and Meters/Displaying measurement meters/Digital frequencymeter EKDP7/Technical%20specification-EKDP7.pdf