Current Clamps - NEO Messtechnik

AC Rogowski Coils

Flexible Length, Flexible Coil Diameter, Flexible Bandwidth, Flexible Scaling, Flexible cable length on request.
Rogowski Coils for measurements up to 150kA are available.

FLEX-MINI-3000

Easy-to-Mount
Ruggedized & Flexible
Ideal for Grid measurements

Range:
3000 Arms
Bandwidth:
PQA7000: up to 20 kHz
PQA8000: up to 70 kHz
PQA8000H: up to 500 kHz
Accuracy:
1% (with NEO calibration typ. ≤ 0.3 %)
Coil Length:
170 mm (Ø 45 mm)

FLEX-3000

Easy-to-Mount
Ideal for Grid measurements
Ruggedized & Flexible

Range:
3000 Arms nominal (10.000 Arms max)
Bandwidth:
PQA7000: up to 20 kHz
PQA8000: up to 70 kHz
PQA8000H: up to 500 kHz
Accuracy:
1% (with NEO calibration typ. ≤ 0.3 %)
Coil Length:
450 mm (Ø 125 mm)

FLEX-6000

Easy-to-Mount
Ruggedized & Flexible.
Ideal for Grid measurements.

Range:
6000 Arms nominal (30.000 Arms max)
Bandwidth:
PQA7000: up to 20 kHz
PQA8000: up to 70 kHz
PQA8000H: up to 500 kHz
Accuracy:
1% (with NEO calibration typ. ≤ 0.3 %)
Coil Length:
800 mm (Ø 250 mm)

Selecting the Right Rogowski Coil:

The NEO Power Quality Blog

While modern Rogowski coil systems can measure a wide range of currents regardless of coil size, the relationship between coil diameter and conductor diameter significantly impacts measurement accuracy.

Understanding this relationship is essential for achieving reliable, high-quality measurements.

Selecting the Right Rogowski Coil: Accuracy Considerations for Current Measurements

Posted by Neo Messtechnik
On 16. January 2026

Can you measure small currents with a large Rogowski coil? While NEO's flexible coil system can technically measure any...

AC Split-Core Sensors

SPLIT-10A

Easy-to-Mount
Cost-effective
Ideal for Monitoring

Range:
10 Arms
Bandwidth:
3 kHz
Accuracy:
Class 1 (IEC 61869-2)
(with NEO calibration typ. ≤ 0.5 %)
Sensitivity:
333mV at nominal current
Dimensions:
32mm x 33.5mm 45.5mm
(Clamp Opening Ø 10 mm)

SPLIT-32A

Easy-to-Mount
Cost-effective
Ideal for Monitoring

Range:
32 Arms
Bandwidth:
3 kHz
Accuracy:
Class 1 (IEC 61869-2)
(with NEO calibration typ. ≤ 0.5 %)
Sensitivity:
333mV at nominal current
Dimensions:
32mm x 33.5mm 45.5mm
(Clamp Opening Ø 10 mm)

SPLIT-63A

Easy-to-Mount
Cost-effective
Ideal for Monitoring

Range:
63 Arms
Bandwidth:
3 kHz
Accuracy:
Class 1 (IEC 61869-2)
(with NEO calibration typ. ≤ 0.5 %)
Sensitivity:
333mV at nominal current
Dimensions:
32mm x 33.5mm 45.5mm
(Clamp Opening Ø 10 mm)

AC Iron-Core Clamps

CLAMP-5AC

Easy-to-Mount
Currents below 1A
Ideal for Grid Measurements

Range:
5 A
Bandwidth:
10 kHz
Accuracy:
1 – 12A: ± 0,5 % of reading (with NEO calibration typ. ≤ 0.2 %)
0,5 – 1A: ± 1 % of reading (with NEO calibration typ. ≤ 0.3 %)
5mA – 0,5 A: ± 2 % of reading (with NEO calibration typ. ≤ 0.8 %)
Phase:
1 – 12A: ± 1 ° (with NEO calibration typ. ≤ 0.5 °)
0,5 – 1A: ± 1 ° (with NEO calibration typ. ≤ 0.5 °)
5mA – 0,5 A: ± 2 ° (with NEO calibration typ. ≤ 1 °)
Sensitivity:
100 mV/A
Dimensions:
102 x 34 x 24 mm (Clamp Opening d = 15mm)

CLAMP-20AC

Easy-to-Mount
Currents below 1A
Ideal for Grid Measurements

Range:
5 A
Bandwidth:
20 kHz
Accuracy:
0,5 – 20A: ± 1 % of reading (with NEO calibration typ. ≤ 0.5 %)
5mA – 0,5 A: ± 2 % of reading (with NEO calibration typ. ≤ 1 %)
Phase:
0,5 – 20A: ± 2 ° (with NEO calibration typ. ± 0.5 °)
5mA – 0,5 A: ± 2 ° (with NEO calibration typ. ± 1 °)
Sensitivity:
10 mV/A
Dimensions:
102 x 34 x 24 mm (Clamp Opening d = 15mm)

CLAMP-200AC

Easy-to-Mount
Currents below 1A
Ideal for Grid Measurements

Range:
200 A
Bandwidth:
10 kHz
Accuracy:
100 – 240 A: ± 1% of reading (with NEO calibration typ. ≤ 0.8 %)
10 – 100 A : ± 2,5% of reading (with NEO calibration typ. ≤ 1 %)
0,5 – 10 A: ± 3,5% of reading (with NEO calibration typ. ≤ 2 %)
Phase:
100 – 240 A: ≤ 2,5° (with NEO calibration typ. ≤ 1.5°)
10 – 100 A : ≤ 5° (with NEO calibration typ. ≤ 3°)
0,5 – 10 A: not specified
Sensitivity:
10 mV/A
Dimensions:
135 x 51 x 30 mm (Clamp Opening d = 22mm)

CLAMP-1000AC

Easy-to-Mount
Currents below 1A
Ideal for Grid Measurements

Range:
1000 A
Bandwidth:
10 kHz
Accuracy:
100A – 1200 A : 0,3% (with NEO calibration typ. ≤ 0.2 %)
10A – 100 A: 0,5% (with NEO calibration typ. ≤ 0.3 %)
< 1A: 2 % (with NEO calibration typ. ≤ 1 %)
Phase:
100A – 1200 A: 0,7° (with NEO calibration typ. ≤ 0.3°)
10A – 100 A: 1° (with NEO calibration typ. ≤ 0.5°)
< 1A: not specified
Sensitivity:
1 mV/A
Dimensions:
216 x 111 x 45 mm (Clamp Opening d = 53mm)

AC/DC Hall Clamps

CLAMP-300DC

Easy-to-Mount
AC and DC
Ideal for Grid & Renewables

Range:
300A DC
Bandwidth:
DC to 150 kHz
Accuracy:
1 % + 2 mA (with NEO calibration typ. ≤ 0.3 %)
Sensitivity:
20 mV/A
Overload Capability:
500A DC (1min)
Dimensions:
205 mm x 60 mm x 15 mm (Clamp opening d = 32 mm)

CLAMP-2000DC

Easy-to-Mount
AC and DC
Ideal for Grid & Renewables

Range:
2000A DC
Bandwidth:
DC to 20 kHz
Accuracy:
2.5 % +/- 0.5A (with NEO calibration typ. ≤ 1.5 %)
Sensitivity:
1 mV/A
Dimensions:
205 mm x 60 mm x 15 mm (Clamp opening d = 32 mm)

AC/DC SPLIT CORE

SPLIT-300DC

Easy-to-Mount
AC and DC
Ideal for Grid & Renewables

Type:
Hall sensor
Range:
300A DC
Bandwidth:
DC to 150 kHz
Accuracy:
1 % + 2 mA (with NEO calibration typ. ≤ 0.3 %)
Sensitivity:
20 mV/A
Dimensions:
205 mm x 60 mm x 15 mm (Clamp opening d = 32 mm)

AC/DC Zero Flux Transducer

IT-65S

Highest Accuracy
AC and DC
Ideal for R&D

Range:
60Arms (from -40° to +85°C)
Bandwidth:
DC to 800 kHz
Accuracy:
0.0033% of f.s.
Sensitivity:
600:1
Dimensions:
77 mm x 93mm x 78 mm (Opening d = 26 mm)

IN-2000S

Highest Accuracy
AC and DC
Ideal for R&D

Range:
2000Arms (from -40° to +85°C)
Bandwidth:
DC to 140 kHz
Accuracy:
0.0012% of f.s.
Sensitivity:
2000:1
Dimensions:
191 mm x 231 mm x 153 mm (Opening d = 70 mm)

IN-1000S

Highest Accuracy
AC and DC
Ideal for R&D

Range:
1000Arms (from -40° to +85°C)
Bandwidth:
DC to 440 kHz
Accuracy:
0.0012% of f.s.
Sensitivity:
1500:1
Dimensions:
106 mm x 128 mm x 104 mm (Opening d = 38 mm)

IN-500S

Highest Accuracy
AC and DC
Ideal for R&D

Range:
500Arms (from -40° to +85°C)
Bandwidth:
DC to 520 kHz
Accuracy:
0.0015% of f.s.
Sensitivity:
750:1
Dimensions:
106 mm x 128 mm x 104 mm (Opening d = 36 mm)

CENTER ADAPTER

Adapter for small cable diameters to optimize position and improve accuracy. Available on request for all current sensors

Datasheet

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