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DHR Series | Compact sensors for High AC and DC Currents

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DHR Series | Compact sensors for High AC and DC Currents Skip to main content EN JP CN EN JP CN Check Stock Career Investors Contact Products Applications Support About Lem Search Current Sensors 45-90 A 90-180 A 187.5-375 A 375-750 A 750-1500 A 1500-3000 A 3000-6000 A 6000-12000 A 12000-24000 A Other value All Current Sensors Voltage Sensors 25-50 V 50-100 V 100-200 V 200-400 V 400-800 V 800-1600 V 1600-3200 V 3200-6400 V All Voltage Sensors Integrated Current Sensors GO Series HMSR Series GXS Series GXN Series GXM Series All Integrated Current Sensors Rogowski Coil ART Series ARU Series ARH Series INTEGRATORS FOR ROGOWSKI COILS Energy Meters DCES DCBM 400 & 600 DCBM 100 TEMA4G EM4T II All Energy Meters Automotive Battery Management EV Chargers Automotive Motor Control Smart Grid Welding Automation Drives High Precision Power Supplies Renewable Energies Trackside Traction After Sales & RMA Merchandize authorization RMA Categories All after sales and RMA Downloads Application Notes Brochures Certificates All Downloads Technical FAQs General All Technical FAQs Company Information History Board of Directors & Committees Organization Values Compliance Sustainability Our locations All Company Information Quality & Environment Quality Environment All Quality & Environment Our partners Become a LEM Supplier Our general terms & conditions Our distributors News & Events All News & Events What do you need ? Product information Check Stock Global information GO EN JP CN EN JP CN Products Current Sensors Voltage Sensors Integrated Current Sensors Rogowski Coil Energy Meters Applications Automotive Battery Management EV Chargers Automotive Motor Control Smart Grid Welding Automation Drives High Precision Power Supplies Renewable Energies Trackside Traction Support After sales and RMA Downloads Technical FAQs About Lem Company Information Quality & Environment Suppliers News & Events Check Stock Career Investors Contact What do you need ? Product information Check Stock Global information GO Home lem_current_page : DHR Series DHR Series Compact and versatile transducers for high AC and DC currents

Order now Distributor List Contact Sales DHR - Compact Current sensors The DHR product series is engineered for the measurement of DC, AC, and pulse currents, featuring nominal values ranging from 100 to 1000 A True RMS with signal conditioning.

The range of DHR current sensors includes various output types, such as 4-20 mA, 0-5 V, or 0-10 V. Specifically, DHR C5 and DHR C10 offer a 0-5 V and 0-10 V output, while DHR C420 provides a 4-20 mA current output. 

Irrespective of the specific model, DHR current transducers are designed to cover a broad bandwidth range, spanning from DC 20 to 6000 Hz. 

Leveraging Hall effect sensor technology (open loop), DHR ensures dependable and precise current measurements in applications related to smart grids and automation.

DHR – Features and benefits Main characteristicsVFD and SCR waveforms current measurementTrue RMS outputPanel mountingEliminates insertion lossInsulating plastic case recognized according to UL 94-V0 BenefitsLarge aperture for cable up to ⌀ 32 mmHigh insulation between primary and secondary circuitsEasy installationTypical applicationsDHR sensors, known for their capability to measure DC, AC, and pulse currents, are frequently employed in a variety of smart grid and automation applications. Some instances of these applications include:

VFD Controlled Loads: VFD output indicates how the motor and attached load are operatingSCR Controlled Loads: Accurate measurement of phase angle fired or burst fired (time proportioned) SCRs. Current measurement gives faster response than temperature measurementSwitching Power Supplies and Electronic Ballasts: True RMS sensing is the most accurate way to measure power supply or ballast input power LEM DHR – Download & Technical Characteristic Product

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DocumentPrimary nominal RMS currentSecondary Nominal Signal ValueOp. TemperatureDHR 100 C10Datasheet
3D100 A0-10V-40 to 70° CDHR 100 C420Datasheet
3D100 A4-20mA-40 to 70° CDHR 100 C5Datasheet100 A0-5V-40 to 70° CDHR 200 C10Datasheet
3D200 A0-10V-40 to 70° CDHR 200 C420Datasheet
3D200 A4-20mA-40 to 70° CDHR 200 C5Datasheet200 A0-5V-40 to 70° CDHR 300 C10Datasheet
3D300 A0-10V-40 to 70° CDHR 300 C420Datasheet
3D300 A4-20mA-40 to 70° CDHR 300 C5 Datasheet300 A0-5V-40 to 70° CDHR 400 C10Datasheet
3D400 A0-10V-40 to 70° CDHR 400 C420Datasheet
3D500 A4-20mA-40 to 70° CDHR 400 C5 Datasheet400 A0-5V-40 to 70° CDHR 500 C10Datasheet500 A0-10V-40 to 70° CDHR 500 C420Datasheet
3D500 A4-20mA-40 to 70° CDHR 500 C5 Datasheet500 A0-5V-40 to 70° CDHR 600 C10Datasheet
3D600 A0-10V-40 to 70° CDHR 600 C420Datasheet
3D600 A4-20mA-40 to 70° CDHR 600 C5 Datasheet600 A0-5V-40 to 70° CDHR 1000 C10Datasheet1000 A0-10V-40 to 70° CDHR 1000 C420Datasheet
3D1000 A4-20mA-40 to 70° CDHR 1000 C5Datasheet1000 A0-5V-40 to 70° C DHR Sensors – ASK FOR SAMPLES / QUOTATIONS Looking to receive samples or a quotation? Please click on the contact button below and provide us with the information you need on this product series. Our sales team will get back to you shortly.

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