S3-WD,N3-WD ACTIVE POWER(WATT) TRANSDUCER

Power transducer S3,N3 series power Transducer

Quick Overview

S3-WD-1: 1φ2W, Accuracy: ± 0.2% RO； N3-WD-1: 1φ2W, Accuracy: ± 0.5% RO. S3-WD-3 :3φ3W, Accuracy: ± 0.2% RO； N3-WD-3 :3φ3W, Accuracy: ± 0.5%RO S3-WD-3A :3φ4W, Accuracy: ± 0.2% RO；N3-WD-3A :3φ4W,Accuracy: ± 0.5%RO

OnLine Service:

1.FEATURES

◆Excellent long term stability (4 ~ 20mA, 500 W )

◆Precision measurement even for unbalance system

◆Precision measurement even for distorted wave

◆High impulse & surge protection (5KV)

◆The case can be mounted on a 35mm rail which complies with DIN 46277.

2.DESCRIPTION

Model:
S3-WD-1: 1φ2W, Accuracy: ± 0.2% RO；

N3-WD-1: 1φ2W, Accuracy: ± 0.5% RO.

S3-WD-3 :3φ3W, Accuracy: ± 0.2% RO；

N3-WD-3 :3φ3W, Accuracy: ± 0.5%RO

S3-WD-3A :3φ4W, Accuracy: ± 0.2% RO；

N3-WD-3A :3φ4W,Accuracy: ± 0.5%RO

A wide range of transducers to measure all forms of active power, in both balanced and unbalanced, single or 3 phase system. They utilize the well prove "time division multiplication" method of measuring instantaneous power over a wide range of input waveforms. The circuit diagram shown measured voltage is modulated by circuit of an oscillator. Square wave pulses from a multi-vibrator circuit, with a mark - space ratio varied by the measured voltage and amplitued by the measured current, are fed to an integrator an output amplification circuit. The dc signal produced is then directly proportional to power input - Watts.

3.SPECIFICATION

◆INPUT

Input Range				Max. Input Over Capability
Circuit	Amp.	Voltage	Basic W
Single Phase	5 A	110V (120V)	± 0.5KW	Ampere: 3 x rated continuous 10 x rated 10 sec. 50 x rated 1 sec. Voltage: 2 x rated continuous
		220V (240V)	± 1KW
3-Phase 3-Wire	5 A	110V (120V)	± 1KW
		220V (240V)	± 2KW
3-Phase 4-Wire	5 A	190V/110V (208/120V)	± 1.5KW
		380V/220V (416/240V)	± 3KW

◆OUTPUT:

DC Output Range	Load Resistance	Output Resistance	Output Ripple	Response Time
-1 ~ 0 ~ 1V	1K	≤0.05W	≤ 0.5% RO. (Peak)	≤400mS. 0 ~ 99%
-5 ~ 0 ~ 5V
1 ~ 3 ~ 5V
0 ~ 5 ~ 10V
-1 ~ 0 ~ 1mA	0 ~ 10K	20MW
-10 ~ 0 ~ 10mA	0 ~ 1K	5MW
0 ~10 ~ 20mA	0~500 W
4 ~12 ~ 20mA	0~500 W

4.Specification:

Aux. power supply	AC 110V ± 15%, 50/60HZ AC 220V ± 15%, 50/60HZ DC24V, 48V, 110V, ± 15%
Power consumption	-2.5VA, ≤DC 3W
Power effect	≤0.1% RO
Waveform effect	≤0.2% RO. at distortion factor 30%( PCIR)
Output load effect	≤0.05% RO.
Magnetic field strength	-0.2% RO., 400A/M
Span adjustment range	5%RO
Zero adjustment range	1%RO
Operating temperature range	0 ~ 60℃
Operating temperature range	0 ~ 60℃
Storage temperature range	-10 ~ 70℃
Temperature coefficient	- 100PPM from 0 to 60℃ ≤ 60PPM, 25。C ± 10℃
Max. relative humidity	95%
Isolation	Input/output/power/case
Insulation resistance	100M W, DC 500V
Dielectric withstand voltage	Between input/output/power/case (IEC 414, 688,ANSI, C37) AC 2.6KV, 60HZ, 1 min.
Impulse withstand test	5KV, 1.2 X 50μS (IEC 255-4, ANSI C37 90a) Common mode & differential mod
Performance	Designed to comply with IEC688
Safety requirements	IEC 414, BS5458

5.Trminal Connection：

5.1 S3-WD-1, N3-WD-1 (1φ2W)：

5.2 S3-WD-3, N3-WD-3 (3φ3W)

6.THE OUTSIDE DIMENSION (UNIT:mm)

7.PANEL MOUNTING HOLES (UNIT:mm)

1. Model:

S3-WD-1: 1φ2W active power transducer, accuracy : 0.2% RO

S3-WD-1S : 1φ2W active power transducer, accuracy : 0.2% RO, (dual output)

S3-WD-3: 3φ3W active power transducer, accuracy : 0.2% RO

S3-WD-3S : 3φ3W active power transducer, accuracy : 0.2% RO (dual output)

S3-WD-3A: 3φ4W active power transducer, accuracy : 0.2% RO

S3-WD-3AS: 3φ4W active power transducer, accuracy : 0.2% RO (dual output)

N3-WD-1: 1φ2W active power transducer, accuracy : 0.5% RO

N3-WD-1S : 1φ2W active power transducer, accuracy : 0.5% RO, (dual output)

N3-WD-3: 3φ3W active power transducer, accuracy : 0.5% RO

N3-WD-3S : 3φ3W active power transducer, accuracy : 0.5% RO (dual output)

N3-WD-3A: 3φ4W active power transducer, accuracy : 0.5% RO

N3-WD-3AS: 3φ4W active power transducer, accuracy : 0.5% RO (dual output)

2.Order form:

3. Example of model and parameter filling:

(1) N3-WD-3-555A4BY

0.5%RO, 3φ3W active power transducer

Input nominal current: 5A; input nominal voltage: 100V;

Nominal input power 2: 866W;

Input signal frequency: 50±5Hz;

Output range: 4~12~20mA;

Correspondence -866~0~866W

Auxiliary power supply: AC220V.

Need to measure the reverse power.

(2) S3-WD-3-155A3BN

0.2%RO, 3φ3W active power transducer

Input nominal current: 1A;

input nominal voltage: 100V;

Nominal input power 2:170W;

Input signal frequency: 50±5Hz;

Output range: 0~20mA;

Corresponding 0~170W

Auxiliary power supply: AC220V.

There is no need to measure reverse power.

(3) S3-WD-3A-525V5BY

0.2%RO, 3φ4W active power transducer

Input nominal current: 5A;

input nominal voltage: 220V;

Nominal input power 2: 3300W;

Input signal frequency: 50±5Hz;

Output range: -10~0~10V;

Correspondence -3300~0~3300W

Auxiliary power supply: AC220V.

Need to measure the reverse power.

Note:

1 The value in the output range () is the value specified for positive and reverse power output.

2 system power calibration:

Single phase is the input nominal voltage × input nominal current;

The three-phase three-wire system is double the input nominal voltage × input nominal current;

Three-phase four-wire system is 3 times the input nominal voltage × input nominal current;

Calibration of non-nominal power: usually keep the input voltage at the nominal value,

The required power rating is obtained by changing the input current.

The output of the 3 dual output is 1 (+) and 2 (-) terminals.

4 If the user needs other special calibration, please indicate the parameter value in the contract.