ISOTEL DC-CT® Current Transducers¶
Our patented Platiše Flux Sensor (PFS) sets a new standard for accuracy, bandwidth, and power efficiency in current measurement.
Visit the ISOTEL DC-CT® Platiše Flux Sensor Invention and ISOTEL DC-CT® Technology pages to learn more about our technologies.
DC‑CT® Compact Industrial & Residential Series¶
Preliminary Products, available in 2026Q3
High accuracy current sensing in a small form factor. Measuring range up to 1500 A DC, designed for power distribution, PV, BMS, and load metering in both industrial and residential environments. Three models available:
Analog differential current output
Analog voltage output
Digital CAN 2.0b output with alias‑free, 3.5 kHz Streaming bandwidth and Charge/Discharge Coulomb Counters
Molex 502352 Connector
Key features
Platiše Flux Sensor Low Power Closed-Loop transducer
Very Small Form Factor
Wide bandwidth (analog models) or alias‑free low bandwidth digital output
Model - Data-sheet |
Rated/Max |
Interface |
Bandwidth |
Opening |
Linearity |
Offset @Max |
Size HxWxD |
Supply |
Power @Rated,Max |
|---|---|---|---|---|---|---|---|---|---|
DC-CT-500I-ID22M4A |
±500/1500 A |
Current |
>500 kHz |
22 mm |
100 ppm |
75 mA |
65x54x18 mm |
12 V |
2 W, 8 W |
DC-CT-500U-ID22M4A |
Voltage |
>500 kHz |
110 ppm |
136 mA |
|||||
DC-CT-500C-ID22M4A |
CAN |
3.5 kHz |
133 ppm |
TBD mA |
Table summarizes worst case preliminary specifications of the DC-CT-1000I-ID22 series at 23 °C. Specifications are subject to change. Dot in the table represent same values as above.
DC-CT® Industrial Classic Series with Wide Opening¶
Preliminary Products, available in 2026Q3
Designed to upgrade LEM LF series and similar industrial DC current transducers. ISOTEL DC‑CT® offers a significant performance upgrade with at least ten times better accuracy and superior temperature stability.
Features standard 3 or 4 wire connection, bipolar power supply, and a single current return line. The wide opening accommodates large conductors without sacrificing precision.
Key features
Platiše Flux Sensor Closed-Loop Transducer
Ten times better accuracy compared to competing products
Excellent temperature stability
Standard industrial connection (3 or 4 wire, bipolar supply)
Electrostatic Shield (4 wire)
Large opening for easy installation, 40 mm bus bar and 38 mm round conductor
Model - Data-sheet |
Connector |
Rated/Max |
Bandwidth |
Opening |
Gain Error |
Offset FS |
Size HxWxD |
Supply |
Power @FS |
|---|---|---|---|---|---|---|---|---|---|
DC-CT-1000I-IO40M3A |
±1000/1500 A |
200 kHz |
40 mm |
<250 ppm |
100 mA |
95x94x34 mm |
±15 V |
7 W |
|
DC-CT-1000I-IO40M4A |
Table summarizes worst case preliminary specifications of the DC-CT-1000I-IO40 series at 23 °C. Specifications are subject to change. Dot in the table represent same values as above.
DC‑CT® Test & Measurement Precision Series for Rugged Environments¶
Small, accurate, and wide-bandwidth. Built for demanding test and measurement applications. With rated ranges up to 1000 A DC with a typical DSUB DB9 interface, and LEM like pin-out with TEDS.
Accepts unipolar or bipolar power supply with low standby power of just 0.7 W at ±15 V bipolar or 30 V unipolar. Rugged design features an aluminum chassis with potting for harsh environments.
Key features
Platiše Flux Sensor Low power Closed-Loop Transducer
Precise, accurate, wide bandwidth in a small form factor
Rugged environment ready (aluminum chassis, potted)
Model - Data-sheet |
Rated |
Bandwidth |
Opening |
Gain Error |
INL/Range |
Size HxWxD |
Supply |
Power @FS |
|---|---|---|---|---|---|---|---|---|
±1000 A |
>1000 kHz |
22 mm |
<163 ppm |
<62 ppm/A |
77x57x43 mm |
24-35 V |
~7 W |
|
>500 kHz |
45 mm |
<246 ppm |
<114 ppm/A |
100x80x43 mm |
Table summarizes worst case specifications of the DC-CT-1000I series at 23 °C. Dot in the table represent same values as above.
DC-CT® Powered Dewesoft Sirius® XHS PWR Integrated Test and Measurement Solution¶
The Dewesoft SIRIUS® XHS-PWR is a unique 2-channel data acquisition device designed for the direct measurement of current, high voltage, and power. It features HybridADC signal conditioning technology and embeds the ISOTEL patented DC-CT® Current Transducer, the smallest high-current sensor available for highly precise current measurements.
Visit Dewesoft official product page of Sirius XHS PWR
DC-CT® Powered Custom Solutions¶
We offer custom solutions tailored to meet specific requirements in various industries. Whether you need specialized current sensing for unique applications, integration into existing systems, or modifications to our standard products, our team works closely with clients to deliver reliable and accurate solutions.