Application
DC-Meter
The ISA-SCALE® Energy Meter “DC-Charging Remote” (IEM-DCR) in the variants IEM-DCR-125, IEM-DCR-1000 and IEM-DCR-1500 is a high-precision DC energy meter that is certified in accordance with German calibration law.

Guarantee for fair & correct billing
By accurately recording and analyzing parameters, DC measurement devices help to ensure the efficiency, safety and reliability of systems by detecting and eliminating overloads, short circuits and other potential problems at an early stage. These devices can measure important parameters such as current, voltage and power and are used in a variety of applications, such as battery management systems, renewable energy systems, electric vehicles and industrial control systems.
Precise direct current measurement provides operators of fast-charging stations for electric vehicles, for example, with transparent data for recording measured values in compliance with calibration law and MID.
A DC meter is ideally suited to ensure precise measurement and correct billing of the energy purchased by the customer, as it not only provides the operator with the required data, but also plays an important role in consumer protection.
Flexible & tamper-proof
DC energy meters for customized solutions

The display and sensor unit can be flexibly installed separately. Despite the compact design, all housings offer protection against tampering. The display unit can be optionally combined with the sensor unit SU-125, SU-1000 or
SU-1500 (IEM-DCR-125, IEM-DCR-1000 or IEM-DCR-1500).
All variants can also be used as stand-alone ISA-SCALE® Energy Meter DC Charging Sensor (DCS-125, DCS-1000 and DCS-1500), ideal for the development of individual DC measurement systems.
For customer-specific solutions with other current or voltage levels, please contact us.
Flexible
installation
The physically separate installation of the display and sensor unit increases flexibility in terms of positioning and can therefore respond to different installation requirements.
Tamper protection & user security
Effective tamper protection that ensures the security and integrity of the measurements. This is particularly important for compliance with legal metrology regulations.
Versatile application options
It can be used both as a combination of display and sensor unit and as a stand-alone DC charge sensor, enabling a high degree of adaptability.
Our products for your energy metering
If you cannot find a suitable product for your requirements here, please contact us.
BAL
Very low-resistance busbar shunt in a small design for battery management systems. Resistance value 100µOhm
Product area: | Resistor |
---|---|
Size: | 5216 |
Power (Watt): | 12 |
Tol (%): | 5.00 |
Res (Ohm): | 0.0001 |

BAN
Very low-resistance busbar shunt for battery management systems or energy storage systems. Resistance value 25 µOhm.
Product area: | Resistor |
---|---|
Size: | 8436 |
Power (Watt): | 36 |
Tol (%): | 5.00 |
Res (Ohm): | 0.000025 |

BAS
Very low-resistance busbar shunt for battery management systems or energy storage systems. Resistance values between 35µOhm and 500µOhm.
Product area: | Resistor |
---|---|
Size: | 8420 |
Power (Watt): | 10 - 36 |
Tol (%): | 5.00 |
Res (Ohm): | 0.000035 - 0.0005 |

BAV
Very low-resistance busbar shunt for battery management systems or energy storage systems. Resistance values between 35 µOhm and 100 µOhm, Pressfit connections.
Product area: | Resistor |
---|---|
Size: | 8420 |
Power (Watt): | 36 |
Tol (%): | 5.00 - 10.0 |
Res (Ohm): | 0.000035 - 0.0001 |

BAX
Very low-resistance busbar shunt for battery management systems or energy storage systems. Resistance values of 20 µOhm and 25 µOhm.
Product area: | Resistor |
---|---|
Size: | 8436 |
Power (Watt): | 50 |
Tol (%): | 5.00 |
Res (Ohm): | 0.000005 - 0.00002 |

BKW
4-terminal precision resistor, e.g. for energy meters / kWh meters.
Product area: | Resistor |
---|---|
Size: | 2906 |
Power (Watt): | 3 |
Tol (%): | 5.00 |
Res (Ohm): | 0.0003 |

BRS
2-terminal resistor made of composite material. Ideal for use on DCB. Shackle shape, high cycle stability.
Product area: | Resistor |
---|---|
Size: | 3812 |
Power (Watt): | 1 - 2 |
Tol (%): | 1.00 - 5.00 |
Res (Ohm): | 0.002 - 0.025 |

BSL
Where very high accuracy and reliability and a separation of the battery management system from the busbar currents is key to success, the analog sensor series from Isabellenhütte is the perfect fit. The temperature and current measurement designed for battery management ICs offers two of the most important functions of the battery management system with optimum functionality and expertise in shunt-based current measurement. Resistance value 100µOhm, NTC temperature measurement and DMC for factor-based TCR compensation
Product area: | Resistor |
---|---|
Size: | 5216 |
Power (Watt): | 10 |
Tol (%): | 5.00 |
Res (Ohm): | 0.0001 |

BSN
Where very high accuracy and reliability and a separation of the battery management system from the busbar currents is key to success, the analog sensor series from Isabellenhütte is the perfect fit. The redundant temperature and current measurement designed for battery management ICs offers two of the most important functions of the battery management system with optimum functionality and expertise in shunt-based current measurement. Resistance value 25µOhm, NTC temperature measurement and DMC for factor-based TCR compensation
Product area: | Resistor |
---|---|
Size: | 8436 |
Power (Watt): | 36 |
Tol (%): | 5.00 |
Res (Ohm): | 0.000025 |

BSS
Where very high accuracy and reliability and a separation of the battery management system from the busbar currents is key to success, the analog sensor series from Isabellenhütte is the perfect fit. The temperature and current measurement designed for battery management ICs offers two of the most important functions of the battery management system with optimum functionality and expertise in shunt-based current measurement.
Product area: | Resistor |
---|---|
Size: | 8420 |
Power (Watt): | 20 - 30 |
Tol (%): | 5.00 |
Res (Ohm): | 0.00005 - 0.0001 |

BSX
Where very high accuracy and reliability and a separation of the battery management system from the busbar currents is key to success, the analog sensor series from Isabellenhütte is the perfect fit. The temperature and current measurement designed for battery management ICs offers two of the most important functions of the battery management system with optimum functionality and expertise in shunt-based current measurement. Resistance value 25 µOhm, NTC temperature measurement and DMC for factor-based TCR compensation.
Product area: | Resistor |
---|---|
Size: | 8436 |
Power (Watt): | 45 |
Tol (%): | 5.00 |
Res (Ohm): | 0.000025 |

BVD
Precision resistor for kWh meters and battery chargers. Power connection also possible via pressed-in threaded bolts.
Product area: | Resistor |
---|---|
Size: | 3512 |
Power (Watt): | 3 |
Tol (%): | 5.00 |
Res (Ohm): | 0.0005 |

BVH
2-terminal resistor made of composite material. Large connectors for high currents.
Product area: | Resistor |
---|---|
Size: | 3820 |
Power (Watt): | 5 |
Tol (%): | 3.00 - 5.00 |
Res (Ohm): | 0.0005 |

IEM-DCR-1000
The IEM-DCR-1000 complies with the German measurement and calibration law, as well as MID. It comes with a display unit and a sensor unit which allows to serve applications in charging infrastructure and utility domains. The combination of the display unit (DU) and the sensor unit (SU) comprises the IEM-DCR models. The SU-1000 as a standalone is available as the IEM-DCS 1000.
Product area: | Sensor |
---|---|
Current Range: | 0 - 1000 |
Current Range Options: | 1000 |
Voltage Range: | 0 - 1500 |
Voltage Channels: | 4 |
Interface: | OCMF over RF45 |
Hardware setup: | 24 V |
Configuration: | german calibration law, MID, LNE |
Plating shunt: | nickel plated |

IEM-DCR-125
The IEM-DCR-125 complies with the German measurement and calibration law, as well as MID. It comes with a display unit and a sensor unit which allows to serve applications in charging infrastructure and utility domains. The combination of the display unit (DU) and the sensor unit (SU) comprises the IEM-DCR models. The SU-125 as a standalone is available as the IEM-DCS 125.
Product area: | Sensor |
---|---|
Current Range: | 0 - 125 |
Current Range Options: | 125 |
Voltage Range: | 0 - 1000 |
Voltage Channels: | 2 |
Interface: | OCMF over RF45 |
Hardware setup: | 24 V |
Configuration: | german calibration law, MID, LNE |

IEM-DCR-1500
The IEM-DCR-1500 complies with the German measurement and calibration law, as well as MID. It comes with a display unit and a sensor unit which allows to serve applications in charging infrastructure and utility domains. The combination of the display unit (DU) and the sensor unit (SU) comprises the IEM-DCR models. The SU-1500 as a standalone is available as the IEM-DCS 1500.
Product area: | Sensor |
---|---|
Current Range: | 0 - 1500 |
Current Range Options: | 1500 |
Voltage Range: | 0 - 1500 |
Voltage Channels: | 4 |
Interface: | OCMF over RF45 |
Hardware setup: | 24 V |
Configuration: | german calibration law, MID, LNE |
Plating shunt: | nickel plated |

PBH
2-terminal resistor in space-saving design similar to TO-247. 10 W power – mounted on heat sink.
Product area: | Resistor |
---|---|
Size: | TO-247 |
Power (Watt): | 3 - 10 |
Tol (%): | 0.500 - 5.00 |
Res (Ohm): | 0.0036 - 100 |

PBV
4-terminal resistor wired. 10 W power – mounted on heat sink.
Product area: | Resistor |
---|---|
Size: | 2317 |
Power (Watt): | 3 - 10 |
Tol (%): | 0.500 - 5.00 |
Res (Ohm): | 0.0005 - 1 |
Fast charging station for e-buses
of Verkehrsgesellschaft Gersprenztal mbH (VGG) in Bensheim, Hesse

Use of legally compliant direct current meters
Isabellenhütte supports high-performance charging project - The development work for the “Buffered-HLL” model project by a consortium of five partners from industry and research has paid off.
