transducer electronic measurement distorted waveforms current, with ga
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AC/DC Current transducer DHR-C420
transducer electronic measurement distorted waveforms current, with galvanic isolation between primary (High power) secondary circuits (Electronic circuit). True 420mA current output.
100.1000
Primary Nominal Current (A.t.RMS) 1000 Primary Current Max. Peak Value 1000 1000 1800 1800 1800 Analogue Output Signal (mADC) 4-20 4-20 4-20 4-20 4-20 4-20 4-20 Type
Features
waveforms current measurement True output 4-20mA current output Panel mounting Eliminates insertion loss
C420 C420 C420 C420 C420 C420 1000 C420
Load resistance Supply voltage (loop powered) Current consumption Limitation output current Overloaded input current (Ampere Turns)
IOUT 30000
Advantages
Large aperture cable High isolation between primary secondary circuits Easy mount
Accuracy-Dynamic performance data
Accuracy IPN, 25°C (without offset) Linearity IPN) Electrical offset current, 25°C Thermal drift (-20.+60 (-40.+70 Thermal drift gain reading) Response time Frequency bandwidth (±1%)
±1.0 ±1.6 µA/K ±3.2 µA/K ±0.1 20.6000Hz
Applications
Controlled Loads: output indicates motor attached load operating. Controlled Loads: Acurate measurement phase angle fired burst fired (time
General data
Ambient operating temperature Ambient storage temperature Mass Protection type UL94 classification IP20
proportioned) SCRs. Current measurement gives faster response than temperature measurement. Switching Power Supplies Electronic Ballasts: True sensing most accurate measure power supply ballast input power.
Notes Installation maintenance should done with power supply disconnected.
operator must have accrediation install this material. users must take care protection gurantee against electrical shock.
050526/4
reserves right carry modifications transducers, order improve them, without previous notice. Page
Components
www.lem.com
Current Transducer DHR-C420
Isolation characteristics
Rated Voltage 1000 with 61010-1 acc. 61326 standards following conditions Single insulation Over voltage category Pollution degree None uniform field R.m.s. voltage insulation test, 50Hz, 1min Creepage distance Clearance distance Comparative tracking index (Group
Notes Output polarity with input
Output
-Ipn +Ipn
050526/4
reserves right carry modifications transducers, order improve them, without previous notice. Page
Components
www.lem.com
Dimensions DHR-C420 0.0394 inch)
8.30
Connections
Wires
Mechanical characteristics
General tolerance 32.0 holes (see above drawings) Primary aperture Panel mounting Distance between holes
Output Connector 1(+) 2(out) 3(none) 4(GND)
panel mounting, replace screws (not supplied) with appropriate length thickness.
Power
Safety
This transducer must used electric/electronic equipment with respect applicable standards safety requirements accordance with following manufacturer's operating instructions.
Load
(Controller, meter etc)
+24VDC
Caution, risk electrical shock When operating transducer, certain parts module carry hazardous voltage (eg. primary busbar, power supply). Ignoring this warning lead injury and/or cause serious damage. This transducer built-in device, whose conducting parts must inaccessible after installation. protective housing additional shield could used. Main supply must able disconnected. 050526/4
Page
reserves right carry modifications transducers, order improve them, without previous notice.
Components
www.lem.com
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