Product Profile of Electronic Trivector Meter
Larsen & Toubro Limited manufactures Electronic Trivector Meter, model ER300N. Larsen & Toubro Limited is an ISO 9001 certified company. The Electronic Trivector Meter is designed with surface Mount technology and field programmable gate arrays. This Electronic Trivector Meter is light in weight, compact in design and reliable in nature. The Electronic Trivector Meter offers the following key features:
Flush mount technology
Self diagnostic capability
RS485 port with MODBUS
kWh & kVAh measurement
Site programmable CT/PT ratios
kWh.kVArh & kVAh measurement
Instantaneous & cumulative parameter display
Some technical specifications of the Electronic Trivector Meter are as follows:
Frequency: 50 Hz +/- 10 percent
Power Factor: 4 quadrant operation
Current [ln]: 5A or 1A [to 200 percent]
Temperature: 0 deg to 50 deg [under operation] -5 deg to 60 deg [storage]
Accuracy: Class 1.0 - IEC 1036/IS 13779 Class 0.5s - IEC 60687 / CBIP-88/IS14697
Starting Current: 0.2v In [Class 1.0] 0.1 percent In [Class 0.5s]
Load characteristics: 5VA in potential circuit
0.5V in current circuit
Voltage [Vn]: 110V AC [-40 percent to +20 percent]
3Ph 4W-415V AC[-40percent to +20percent]
3Ph 3W-110V AC [-40 percent to +20 percent]
Insulation properties: HV & insulation resistance IEC 1036/IS 13779 [Class 1.0] IEC 60687/CBIP-88/IS14679[Class 0.5s]
Electromagnetic compatibility: IEC 1036/IS 13779 [Class 1.0]
IEC 60687/CBIP-88/IS14697[Class 0.5s]