Instrumentation and Control News - Current Sensors

LEM introduces new current transducers

Tue, 05 Jun 2007 19:47:22 +0200

The LA 300 series is optimised for industrial applications and the transducers are characterised for temperatures from -40°C to +85°C. The LAC 300 series is optimised for traction applications and meets the EN 50155 standard for vibration, temperature and pollution.

AC current transformers have ferrite core material

Tue, 19 Dec 2006 04:41:03 +0100

In addition, the ferrite material provides an excellent linearity of better than 0.1 percent, even at very low levels, and the transformers offer a low phase shift of 1.5° ±1° between measured voltage and current...

400 A Current Measurement Converter For Distribution Circuits

Mon, 02 Oct 2006 16:59:48 +0200

These new current measurement converters convert sinusoidal and non-sinusoidal currents from 30 Hz to 6 KHz into the analogue standard signals 4...20 mA or 0...5(10)V. The MCR-SL-S-100(200)(400)-U-(I)-(LP) measurement converters can be effortlessly installed at any time and with no interruption to the power supply...

Compact split-core transducers

Wed, 20 Sep 2006 04:20:39 +0200

They offer a choice of primary current measurement ranges from 500 to 2000A, a choice of standard output types (4-20mA, 0-5V or 0-10V), a wide power supply range (20-50Vdc) and large sensing apertures for non-contact measurement (104 by 40mm busbar, in addition to a 32mm diameter cable version)...

ACI Current Sensors and Switches

Thu, 03 Aug 2006 16:42:30 +0200

www.workaci.com

Probe tests battery system activated elements

Tue, 25 Jul 2006 15:03:45 +0200

The P845-Q test probe from Peak Test Services is a high-current device suitable for the testing of battery system activated elements, battery contacts and electrical current signal transmission.

AC current transducer equipment

Tue, 25 Jul 2006 15:03:45 +0200

The range of RCTi ac current transducer equipment produced by Power Electronic Measurements has now been extended to include a 3ph version.

400A current measurement converter has split coil

Sun, 23 Jul 2006 06:52:37 +0200

Current measurement converters convert sinusoidal and non-sinusoidal currents from 30Hz to 6kHz into the analogue standard signals 4-20mA or 0-5(10)V process currents up to 400A.

Dual-range, automotive-qualified sensors

Sun, 23 Jul 2006 00:07:05 +0200

LEM has introduced a series of dual-range, automotive-qualified sensors for accurate, wide-range current measurements in vehicle battery monitoring applications.

PCB-mounting transducer covers wide current ranges

Thu, 20 Jul 2006 00:07:05 +0200

A miniaturised PCB-mounting transducer allows measurement of currents up to 100A RMS.

Measurement convertors process up to 400A

Fri, 30 Jun 2006 04:57:29 +0200

Current measurement technology from Phoenix Contact has been expanded to include a new product, capable of processing currents up to 400A.

Mini transducer measures currents up to 100A RMS

Thu, 22 Jun 2006 00:27:18 +0200

Measuring 16.35mm high, the LAX 100-NP features a wide maximum bandwidth of DC to 300kHz and an overall accuracy of better than ±0.91 percent at a primary nominal RMS current of 100A. Typical linearity error is ±0.06 percent at 100A and temperature drift is 200µA max from 0 to 70°C. In addition, the closed loop Hall-effect technology results in no insertion losses...

Transducers handle high AC and DC currents

Fri, 16 Jun 2006 17:17:42 +0200

Devices in the AHR series, which combine a Hall-effect sensor and true rms transducer in a single case, have been designed to measure DC signals as well as distorted current waveforms such as variable frequency drive outputs. They offer a choice of primary current measurement ranges from 500A to 2,000A, a choice of standard output types...

Further current sensor additions

Thu, 15 Jun 2006 02:17:50 +0200

Module for current sensing

Sun, 11 Jun 2006 13:53:41 +0200

The BBM uses two high-sensitivity Hall-effect integrated circuits to sense the magnetic field symmetrically on opposite sides of the bus bar. This enables effective cancellation of external magnetic fields without magnetic cores or shielding, which can give rise to magnetic hysteresis and nonlinearity effects.