RT 500

RT 500 Datasheet

RT 500

Part	Datasheet
RT 500	RT 500 (pdf)

PDF Datasheet Preview
RT 500 Flexible split-core Rogowski coil for the electronic measurement of AC waveform currents, with galvanic separation between the primary circuit power and the secondary circuit measurement . The patented Perfect Loop Technology definitely solves the problem of the Rogowski coil opening by introducing a specific magnetic device. This dramatically reduces both the error due to the position of the measured conductor within the sensor, and the error due to the proximity of external conductors. Electrical data Primary nominal rms current M Vout Mutual Output inductance transfer ratio 1 voltage instantaneous 2 ± 5 Vout x ddtIP µH V Vout Output voltage sinusoidal wave 2 Vout = 2 x M x f x IP AC Example 50 Hz, 500 A Vout = 2 x 64 x 10-9 x 50 x 500 = mV Coil inductance ± 5 % Coil resistance TA = 20 °C typical High cut-off frequency 2 Accuracy - Dynamic performance data εL TCM Linearity error Temperature coefficient of M Positioning error 3 max General data none 30 ppm/K % Ambient operating temperature 90 % RH Ambient storage temperature Mass - 10 + 65 - 25 + 70 IPxx Protection degree IP 2X Standards Safety IEC 61010-1 2001 2nd edition IEC 61010-2-032 2002 IEC 61010-031 2002 + Amd 1 2008 Notes 1 LEM provides uncalibrated coils with up to 5 % manufacturing tolerance. Calibration must be performed within the final application. 2 Open circuit condition no load . 3 Considering a primary conductor of at least Ø 15 mm perpendicular to the RT loop. ●● Split core type ●● Ø 70 mm sensing aperture for non-contact measurement ●● m output cable ●● Insulating plastic case recognized according to UL 94-V0. Advantages

PDF Datasheet Preview

RT 500

Flexible split-core Rogowski coil for the electronic measurement of AC waveform currents, with galvanic separation between the primary circuit power and the secondary circuit measurement .

The patented Perfect Loop Technology definitely solves the problem of the Rogowski coil opening by introducing a specific magnetic device. This dramatically reduces both the error due to the position of the measured conductor within the sensor, and the error due to the proximity of external conductors.

Electrical data

Primary nominal rms current

M Vout

Mutual Output
inductance transfer ratio 1 voltage instantaneous 2
± 5 Vout
x ddtIP
µH V

Vout

Output voltage sinusoidal wave 2 Vout = 2 x M x f x IP AC

Example 50 Hz, 500 A

Vout = 2 x 64 x 10-9 x 50 x 500 = mV

Coil inductance ± 5 %

Coil resistance TA = 20 °C typical

High cut-off frequency 2

Accuracy - Dynamic performance data
εL TCM

Linearity error Temperature coefficient of M Positioning error 3 max

General data
none 30
ppm/K %

Ambient operating temperature 90 % RH

Ambient storage temperature

Mass
- 10 + 65
- 25 + 70

IPxx Protection degree

IP 2X

Standards

Safety IEC 61010-1 2001 2nd edition

IEC 61010-2-032 2002

IEC 61010-031 2002 + Amd 1 2008

Notes 1 LEM provides uncalibrated coils with up to 5 % manufacturing tolerance. Calibration must be performed within the final application.
2 Open circuit condition no load . 3 Considering a primary conductor of at least Ø 15 mm perpendicular to the RT loop.
●● Split core type ●● Ø 70 mm sensing aperture for
non-contact measurement ●● m output cable ●● Insulating plastic case recognized
according to UL 94-V0.

Advantages

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived RT500 Datasheet file may be downloaded here without warranties.

Datasheet ID: RT500 645544