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Active power transmitter
1、 Product Overview: The active power transmitter is an instrument that can sample, isolate, and amplify the voltage and current of the measured power
Product details
1、 Product Overview
Active power transmitter is an instrument that can sample, isolate and amplify the voltage and current of the measured power separately, and convert them into a DC signal output in linear proportion to the input active power through high-precision time division multiplier operation. It can reflect the transmission direction of the measured power in the system. This series of transmitters is suitable for single-phase or three-phase (balanced or unbalanced) lines with a frequency of 50Hz or 60Hz. It can be widely used in places where power measurement is required in both power and non power systems, and can operate continuously for a long time to achieve measurement and control of system power.
1、 Model meaning
2、 Product selection
▲SNDED-XXXX
Example: SNDED-3WAC1， Three phase three wire active power transmitter, input 0-1A, 0-100V, output 4-20mA, power supply 220V.
3、 Technical parameters
▲ Input terminal
Input current range: AC 0-5A
Input voltage range: AC 0-500V
Frequency range: 40Hz-60Hz
▲ Output terminal
Output signal: 4-20mA; 0-20mA； 0-5V； 0-10V
Output load resistance: RL ≤ 500 Ω (when outputting as a current signal)
RL ≥ 10K Ω (when outputting as a voltage signal)
▲ Basic parameters
Power Supply: AC85-265V
Rated power consumption: ≤ 4W (AC220V power supply, 20mA output)
Basic accuracy: ≤ 0.5%F.S.
Temperature drift: 0.02% F.S./℃ (-20 ℃~+55 ℃)
Response time: ≤ 400mS(0-90%)(TYP)
Insulation strength: 2000VAC/1min (between input, output, and power supply)
Insulation resistance: ≥ 100M Ω (between input, output, and power supply)
Working temperature range:- 20℃~+55℃
Electromagnetic compatibility: in accordance with GB/T 18268 (IEC61326-1)
Dimensions and wiring diagram
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