EKM 25IDS-N Instrucciones de instalación - Página 2

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eKM Metering Inc.

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. Recorded information and data can be transferred using the RS485 interface.

Data:

The LCD display shows seven pieces of data: total electricity consumed(kWh), reverse kWh, voltage, current, total power, L1 COSθ, and L2 COSθ(power

factor). Every five seconds the LCD screen will display a new piece of data.

The meter also provides max demand(kW) data and the demand period can

be set to one of three intervals: 15minutes, 30 minutes, or 60 minutes. The max demand can be reset to zero in software over RS485. The meter has four

time-of-use tariﬀs(T1, T2, T3, T4) to calculate the power during diﬀerent time periods, and it can set up to four time periods per day, and specify the

number of the tarrif for that period(from T1 to T4). The meter time can be set using the RS485 interface. 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 list 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.

EKM Metering Inc. – www.ekmmetering.com – [email protected] – (831)425-7371