EKM Metering Inc. – www.ekmmetering.com – [email protected] – (831)425-7371
Working Principle:
When the meter is working, the energy consumed by the user is transformed into voltage and current signals, which are sampled by sample circuits. A
pulse signal is then produced by a specialized IC. The Pulse signal is directly proportional to power consumption. The MCU records and stores the
corresponding energy use. The LCD screen displays the energy use.
Data:
The LCD display shows one piece of data: total electricity consumed(kWh). By design the kWh cannot be reset.
The meter will go at least 10 years
without power and still keep its kWh readings. In other words, the memory will not be erased if there is no power.
Transport and Handling:
The meter should be handled with care, as there are precision components inside that could break and/or cause faulty readings should the meter
become damaged. The process of transportation, handling, and installation should be done according to the transportation and storage rule of
GB/T15464-1995. Keep the meter in the original packaging when stored. The storage temperature range should be 0–40ºC. The relative humidity
should be ≤85%. There should be no toxic chemicals present and no corrosive substances or gases in the air. The meters should be stacked on a
platform no more than ten units high.
Warranty:
Within two years from the date of sale, and on the condition that the user abide by the specifications and installation instructions listed here, and the
sealing is kept completely intact. If the meter does not correspond with the rule of the enterprise standard, the meter shall be repaired free or replaced.
Wiring Diagram:
The diagram shown below is also marked on the meter body.
eKM Metering Inc.
1
2
3
4
5
6
N
L
SO
N
L
120V
+
–
(Fig 4)
