Product Description
EM 300A-1CY POWER METER New lead free model for optional
Function description
1 Display & measure
l Voltage
l Current
l Voltage unbalance degree
l Current unbalance degree
l Current load degree
l Active power, reactive power and apparent power
l Power factor
l Frequency
l Total active energy absolute ,total reactive energy absolute
l Input active energy absolute, input reactive energy absolute
l Output active energy absolute, output reactive energy absolute
l 4 quadrants reactive energy
2 Harmonic analysis:
THD(voltage/current),THD(odd/even),2~31 times harmonic component occupancy
3 Load type:
Indicate the current load type:
Capacitive load or Inductive load
4 Remote transfer:
2DI real time switch-status monitoring,electric level and impulse output setting
5 Remote signaling:
4 channel DI real time switch-status monitoring
6 Off-limit alarm style
Support over current,under voltage,over voltage,under frequency,over frequency,
under power factor off-limit alarm
7 Remote communications
l Communication interface:RS485
l ModBUS-RTU protocol
8 SEO record:max. 64 alarms and DI events
9 Demand record:record the max. Demand of total active power(+/-), demand and occurrence time of the max. Demand of total reactive power(+/-) of this month and the last month.
10 The mix./min. Value of the current,voltage,frequency,power factor,active/reactive/apparent power and the occurrence time of the max./min.value.
11 Multi-rate:max. 8 schedules and 4 rates
12 Display:real time parameter,DI/DO status
13 Factors setting and register when power off suddenly
EMC Standard