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AC/DC Current transducer DHR-C10
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 0-10V voltage output.
IPN = 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) 0-10 0-10 0-10 0-10 0-10 0-10 0-10 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 C10 DHR 200 C10 DHR 300 C10 DHR 400 C10 DHR 500 C10 DHR 600 C10 DHR 1000 C10
RL VC IC VSL IP
Load resistance Supply voltage Current Consumption Output voltage limitation (0-10V) Overload capability (Ampere Turns)
10 k + 20 .. 50 V DC 30 mA < 14 V 30000 A.t
Advantages
* Large aperture for cable up to O32mm * High isolation between primary and secondary circuits * Easy installation
Performance data
X
L
VOE TCVOE TCVOUT tr BW
Accuracy @ IPN, TA = 25C (excluding offset) Linearity error (1% of IPN .. IPN) Electrical offset voltage, TA = 25C Temperature coefficient of VOE ( 0..+60 C) (-40..+70 C) Temperature coefficient of VOUT (% of reading) Response time tp 90% of IPN step Frequency bandwidth (1dB)
< 1 % of IPN < 1.0 % of IPN < 1.0 % of IPN 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
General data
TA TS m IPxx Ambient operating temperature Ambient storage temperature Mass Protection degree - 40 .. + 70 - 40 .. + 85 260 IP20 C C g
measurement gives faster response than temperature measurement. * Switching Power Supplies and Electronic Ballasts True RMS sensing is the most
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.
()
accurate way to measure power supply or ballast input power.
Application domain
* Energy and Automation
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061128/14
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
Current Transducer DHR-C10
Isolation characteristics
Vb Rated isolation voltage rms 300 V with IEC 61010-1 acc. to the 61326 standards and following conditions : - Reinforced isolation - Over voltage category CAT III - Pollution degree PD2 - Heterogeneous field Rms voltage for AC isolation test 1), 50 Hz, 1min 4.6 kV Creepage distance 8.89 mm Clearance distance 8.89 mm Comparative tracking index (Group I) > 600
Vd dCp dCl CTI
Note :
1)
Between primary (completely filling the aperture) and secondary.
Output polarity with DC input
Output in V 10
-Ipn
0
+Ipn
Safety
This transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the manufacturer's operating instructions. Installation and maintenance should be done with main power supply disconnected. The operator must have an accreditation to install this material.
Caution! Risk of electrical shock When operating the transducer, certain parts of the module can carry hazardous voltage (e.g. primary conductor, power supply). Ignoring this warning can lead to injury and/or cause serious damage. The user must take care of all protection guarantee against electrical shock. This transducer is a built-in device, whose conducting parts must be inaccessible after installation. A protective housing or additional shield could be used.
Page 2/3
061128/14
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
Dimensions DHR-C10 (in mm. 1 mm = 0.0394 inch)
25 70 60
32
4.
60
2 2.2 8
25 15
8.30
6.8 0
90
2 .50
10
40
6 .80
4
15
33 .80
4 .60
7
8.30
6
78
Connections
DHR-C5/10
* Wires up to 2 mm * Female connector provided (screw terminals)
DHR
Mechanical characteristics
* General tolerance * Primary aperture * Panel mounting * Distance between holes 1 mm 32.0 mm 4 holes 4.6 mm 70.0 mm & 78 mm (see above dimensions)
Output Connector 1(Vcc) 2(NC) 3(Vout) 4(GND) 24 VDC Power (+) (-)
For panel mounting, replace M4 screws by new one (not supplied) with appropriate length to panels thickness.
Remarks
10k
(-)
(+)
Load
(Controller, meter etc)
+24VDC
Is
* VOUT is positive when IP flows in the direction of the arrow. * The return busbar and primary conductor elbow must be located at least at 2.5 x window length more far away from the transducer case. * The temperature of the primary busbar can not exceed 90 C. * Dynamic performances are the best with a primary busbar completely filling the primary aperture. * This is a standard model. For different versions (supply voltages, different outputs, bidirectional measurements...), please contact us.
OUT
Ip
GND
25.60
70
Page 3/3
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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