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DHR-C5

Description
AC/DC Current transducer
File Size770KB,3 Pages
ManufacturerLEM
Websitehttp://www.lem.com
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DHR-C5 Overview

AC/DC Current transducer

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.
I
PN
= 100..1000 A
Electrical data
Primary Nominal
DC & AC Current
I
PN
(A.t.RMS)
100
200
300
400
500
600
1000
Primary AC Current
Max. Peak Value
(
*
)
I
P
(A)
600
600
1000
1000
1800
1800
1800
Output voltage
(Analog)
V
OUT
(VDC)
0-5
0-5
0-5
0-5
0-5
0-5
0-5
Type
Features
VFD and SCR waveforms current
measurement
True RMS output
Panel mounting
Eliminates insertion loss
Insulated plastic case recognized
according to UL94-V0
DHR 100 C5
DHR 200 C5
DHR 300 C5
DHR 400 C5
DHR 500 C5
DHR 600 C5
DHR 1000 C5
R
L
V
C
I
C
V
SL
Î
P
Load resistance
Supply voltage
Current consumption
Output voltage limitation (0-5V)
Overload capability (Ampere Turns)
10
kΩ
+ 20 .. 50 V DC
30
mA
<7
V
30000
A.t
Advantages
Large aperture for cable up to
Ø32mm
High isolation between primary and
secondary circuits
Easy installation
Performance data
X
ε
L
V
OE
TCV
OE
TCV
OUT
t
r
BW
Accuracy @
I
PN
,
T
A
= 25°C (excluding offset)
Linearity error (1% of
I
PN
.. ±
I
PN
)
Electrical offset voltage,
T
A
= 25°C
Temperature coefficient of
V
OE
( 0..+60 °C)
(-40..+70 °C)
Temperature coefficient of
V
OUT
(% of reading)
Response time to 90 % of
I
PN
step
Frequency bandwidth (±1dB)
< ± 1 % of
I
PN
< ± 1.0 % of
I
PN
< ± 1.0 % of
I
PN
± 2.0
mV/K
± 4.0
mV/K
± 0.1
%/K
< 150
ms
DC 20..6000Hz
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.
General data
T
A
T
S
m
IPxx
Ambient operating temperature
Ambient storage temperature
Mass
Protection degree
- 40 .. + 70
- 40 .. + 85
260
IP20
°C
°C
g
Note :
* 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 I
PN
, whereas the output is limited by
the above specified output limitation.
( )
Application domain
Energy and Automation
Page 1/3
061128/14
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com

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DHR-C5 DHR300C5 DHR100C5 DHR600C5 DHR500C5 DHR400C5 DHR1000C5
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