LPW211-Metal Case

Download Add Inquiry

HC model LP series transducer designed to be a high accuracy and excellent long term stability.
For utility, the unit are useful including industry and laboratories for high magnetic field immunity and real power measure distorted waveform.

LPW211 active power transducer use in 3 phase 4 wires / 2.5 element balance system with AO output.

High accuracy 0.07% rd + 0.03% ro
Excellent long term stability
Outstanding over capability and temperature performance
Wide selection of input / output ranges
Meets ANSI C37.90 (1989) and BEAMA No. 219 tests
High magnetic field immunity
Real power - able to measure distorted waveform

Accuracy ( 23 ± 3°C ) : 0.07% reading / PF ± 0.03% RO
Maximum output load :
- DC current mode : maximum 10V drop
- DC voltage mode : maximum 5mA drive
Dielectric strength : AC 2KV 1 minute between terminals; AC 2.6KV 1 minute / terminals to case
Surge and impulse test : ANSI C37.90 / 1989, IEC 255-3 (1989) 4KV 1.2 x 50us
Maximum input over :
- Current related input
  - 1A / 5A
    - 4 x rated / continuous
    - 10 x rated / 10 seconds
    - 50 x rated / 1 second
    - 80 x rated / 0.5 second
  - 10A
    - 2 x rated / continuous
    - 25 x rated / 1 second
    - 50 x rated / 0.5 second
- Voltage related input
  - 1.5 x rated / continuous
  - 2 x rated / 10 seconds
Input burden : Current less 0.2 VA ; voltage less 0.1 VA
Response time & ripple :
- <400 ms for step change 0-99%
- ripple less 0.5% ro peak to peak
Frequency : 50 ± 2 Hz ; 60 ± 2 Hz
Waveform : Watt - 2% 3rd
Stability :
- Temperature range ( 20 to 26°C ), long term stability / year
- Maximum 60 ppm / °C , less 0.2% draft / year typically
Storage condition : Temperature range -25 to 70°C, RH 20 to 95% non condensed
Operating condition : Temperature range -20 to 65°C, RH 0 to 99% non condensed
Magnetic field effect : < 0.01% under 100 ampere turns at 1M center
Power dissipation : < 3.5VA

Certifications