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DHR200C5

AC/DC Current Transducer

LEM Industrial 

AC/DC Current Transducer DHR-C5

The transducer for the electronic measurement of DC & distorted AC

waveform currents, with galvanic isolation between the primary circuit

(power) and the secondary circuit (measurement). True RMS 0-5V

voltage output.

IPN = 100 .. 400 A

Electrical data

Primary Nominal

DC & AC Current

IPN (A.t.RMS)

100

200

300

400

Primary AC Current

Max. Peak Value 1)

IP (A)

600

600

1000

1000

Output voltage

(Analog)

VOUT (VDC)

0-5

0-5

0-5

0-5

Type

DHR 100 C5

DHR 200 C5

DHR 300 C5

DHR 400 C5

RL

Load resistance

VC

Supply voltage2)

IC

Current consumption

VSL Output voltage limitation (0 - 5 V)

ÎP

Overload capability (Ampere Turns)

Performance data

X

e

L

Accuracy @ IPN, TA = 25°C (excluding offset)

Linearity error (1% of IPN .. ± IPN)

VOE Electrical offset voltage, TA = 25°C

TCVOE Temperature coefficient of VOE ( 0..+60 °C)

(-40..+70 °C)

TCVOUT Temperature coefficient of VOUT (% of reading)

tr

Response time to 90 % of IPN step

BW Frequency bandwidth (± 1 dB)

General data

TA

TS

m

IPxx

Surrounding operating temperature

Surrounding storage temperature

Mass

Protection degree

≥ 10

+ 20 .. 50

30

< 7

30000

kW

V DC

mA

V

A.t

< ± 1

< ± 1.0

< ± 1.0

± 2.0

% of IPN

% of IPN

% of IPN

mV/K

± 4.0

mV/K

± 0.1

%/K

< 150

ms

DC 20..6000 Hz

- 40 .. + 70

°C

- 40 .. + 85

°C

260

g

IP20

Notes :1) The Max. Peak AC Current is the highest peak level of the primary

signal that is taken into account for accurate True RMS calculation. Yet

the device is designed for maximum continuous True RMS value equal to

IPN, whereas the output is limited by the above specified output limitation.

2) According to the UL 508 Standard for Safety for Industrial Control

Equipment, the supply voltage must not exceed 42VDC.

Features

●● VFD and SCR waveforms current

measurement

●● True RMS output

●● Panel mounting

●● Eliminates insertion loss

●● Isolated plastic case recognized

according to UL94-V0

Advantages

●● Large aperture for cable up to

Ø32mm

●● High isolation between primary

and secondary circuits

●● Easy installation

Applications

●● VFD Controlled Loads

VFD output indicates how the

motor and attached load are

operating.

●● SCR Controlled Loads

Acurate measurement of phase

angle fired or burst fired (time

proportioned) SCRs. Current

measurement gives faster

response than temperature

measurement.

●● Switching Power Supplies and

Electronic Ballasts

True RMS sensing is the most

accurate way to measure power

supply or ballast input power.

Application domain

●● Energy and Automation

120426/21

LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.

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