SymmProFlex^®

Precision Flexible AC Current Probe based on Rogowski principle for current, power, energy and electricity quality applications

Highlights

• Accuracy up to 0.2 % in amplitude and 0.1° in phase

• No additional error for wire position

• Symmetric flexible shielding ^pp for excellent suppression of strange electric fields

• Symmetric sensor coil ^pp for excellent suppression of strange magnetic fields

• Low noise, dual gain, high CMRR amplifier with precision integrator ^pp

• Low output impedance

• Two sensor cable models: high voltage Ø 12.6 mm and super flexible Ø 6 mm

• Low cost models with software calibration in serial EEPROM available in single or
three phase version

Extras

• Extremely long sensor cable ^pp for large structures like buildings, towers, masts etc.

• Application tailored ^pp sensor cable sensitivity and frequency range

• High frequency matched ^pp sensor coil for broad frequency band and surge current measurements

• Calibration kit available

^pp Patent Protection !

Standard Models

Specifications

General Specifications
Basic Frequency	40 Hz .. 5 kHz
Working Frequency (3dB) *	0.8 Hz .. 50 kHz
Gain *	100 mV/A & 1 mV/A
Measuring Range (crest factor <1.5)	30 mA - 3 000 A
Output Voltage Maximum	± 4.5 V peak

FCP Product Leaflet (screen optimized)

FCP Product Leaflet (print optimized)

SymmProFlex®

SymmProFlex® application

Peak dI/dt	20 A/µs
Operating / Test Voltage Sensor Cable except coupling area	3 kV / 15 kV (Sensor Cable Ø 12.6 mm) 600 V / 2 kV (Sensor Cable Ø 6 mm)
Operating / Test Voltage Signal Cable and coupling area	600 V / 2 kV
Output to Earth Voltage	30 V max.
Safety	EN 610010-1, 600V
EMC	EN 61326:1998
Load Resistance	³ 1 kW
Operating Temperature	-20 to +80 °C
Storage Temperature	-20 to +80 °C
Weight of electronics	Approx. 100 g
Size of electronics (L x W x H)	100 x 50 x 25 mm (Model FCP 2110) 50 x 40 x 25 mm (Model FCP 3x10)
Power Supply	2 x NiMH (AAA size) Accumulators (built-in charger, low charge LED) 100 - 240 VAC / 5 VDC Power Adapter Model FCP 3x10: 5V external
Consumption	Approx. 100 mA (Model FCP 2110) Approx. 50 mA/phase (Model FCP 3x10)
Output Connector	BSP - Banana Socket Pair 21mm BPP - Banana Plug Pair 21 mm * BNC * OEM (output, supply, I²C control) *
* Optional Specification

Accuracy Specifications	FCP xx10D	FCP xx10C
Amplitude gain error **	<0.5 %	<0.2 %
Phase error **	<0.2°	<0.1°
Influence of Current outside closed Sensor Cable	<0.3 %	<0.1 %
Gain TC	<0.05 %/K	<0.02 %/K
Linearity	<0.01 %
Distortion	<0.01 %
Output DC Offset	<0.1 mV
Influence of Potential of adjacent conductor (@50Hz)	<1 µA / V
Input Noise (f<10Hz)	2 ppm from max. current
** Basic Frequency Range @ 25 °C, current > 100 mA, except 25 mm coupling area

Measuring Head
Sensor Cable Length *	600 mm
Sensor Cable Diameter / Min. Bend Radius	12.6 mm / 60 mm 6 mm / 20 mm
Signal Cable Diameter	4 mm
Signal Cable Length *	1500 mm

Options
• Banana Plug Pair Output Connection (Model FCP 2110)
• BNC Output Connection (Model FCP 2110)
• OEM Cable Output
• Calibration Kit
• Special Cable Lengths and/or Gains on request

Ordering Information
FCP xx10x / SCD / SeCL / SiCL / MC / OC
SCD … sensor cable diameter [mm] (12.6 or 6)
SeCL … sensor cable length [mm]
SiCL … signal cable length [mm]
MC … maximal current [A]
OC … output connection (BSP, BPP, BNC or OEM)
Default configurations: FCP 2110x / 12.6 / 600 / 1500 / 3000 / BSP
FCP 3x10x / 12.6 / 600 / 1500 / 3000 / OEM