American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Aug 25, 2009 Available for differential and ground fault current monitoring, space flight Series S 767 and military grade Series 913 B provide isolated analog output directly proportional to input magnetically. Featuring ½ in. aperture, Series S 767 operates on 22-36 Vdc power with response time of 50 ms. Series 913 B, designed with ¾ in. aperture, operates from 24-32 Vdc power with response time of 1 ms. Both chassis-mount series feature 0 to +5 V output and accuracy of 1% FS.

American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Jul 16, 2009 Designed to compare AC input to fixed or adjustable current threshold, Series 870 and ACS-3 provide isolated switch or relay output that is activated as required. Housed in metal case and operating from -20 to +71°C, Series 870 features SPDT relay output with 10 A contacts, frequency from 47-63 Hz, and ¾ in. dia aperture. Series ACS-3, operating from -50 to +65°C, is housed in plastic case with solid state switch output, frequency from 6-100 Hz, and response time of 200 msec.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
May 28, 2009 Able to measure currents to 4,000 ARMS in conductors of up to 268 mm dia, ITL 4000-S allows isolated measurement of AC, DC, and pulsed currents up to three times nominal value for peak measurement at frequencies to 50 kHz (±1 dB). Closed-loop Fluxgate technology ensures measurement accuracy (±0.1% of IPN) over -40 to +70°C operating range. This accuracy also allows measurement of small DC currents in presence of large AC components.

American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Apr 01, 2009 With supply voltage of +22 to +32 Vdc, military-grade, bi-directional Series S651 provides output of 0 to ±5 V with accuracy of 1% full scale. Current ranges are 0 to ±100 A to 0 to ±200 A. Operating from -40 to +65°C, devices feature frequency range of DC-3.5 kHz and 100 µsec response time. Industrial grade, bi-directional Series S764 offers current ranges from 0 to ±20 A to 0 to ±100 A.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Feb 20, 2009 Designed for AC and DC isolated current measurement from 6-50 Arms nominal, CAS, CASR and CKSR family of PCB mounted current transducers feature 7-30 ppm/K of thermal offset drift, and have response time less than 0.3 microsec. Products utilize Closed Loop Fluxgate technology, and operate from single 5 V supply. Plastic case of unit has Comparative Tracking Index of 600. CKSR model has one more primary pin than 3 pins of CAS/CASR models which enables creepage and clearance distances of 8.2 mm.

Grupo Premo
Barcelona   Spain
Jan 05, 2009 Based on low consumption Fluxgate Technology, Series DCT-200A measures DC, AC currents, with precision levels of 99.9% of linearity and 5 ppm of linear error. It offers wide band-width of up to 100 kHz, up to 200 A, and measures 52 x 52 x 37 mm. Featuring immunity to all kind of interferences, unit suits energy measurement systems, medical equipment, high stability inverters, and high power supply applications.

CR Magnetics
St. Louis, MO 63122
Nov 05, 2008 Designed to sense phase angle difference between ac current and voltage signals, CR6300 Series includes 3 models with 0-5 Vdc, 0-10 Vdc, or 4-20 mAdc output. Units are powered by single 24 Vdc power supply, and have window openings to accommodate current carrying wires up to .26 in. diameters. They offer up to 500 V input voltage and up to 25 A of current. Housed in 3.26 x 1.42 x 2.99 in. package, transducers can be mounted on 35 mm DIN rails or surface panels.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Oct 01, 2008 Featuring insulating technology, DC Class 1 Accuracy DV Series Voltage Transducer is designed for insulated voltage measurements from 1,200-4,200 Vrms. It features current consumption of 19-23 mA, frequency bandwidth of 12 kHz, and safety insulation voltage of 18.5 kV. Suited for energy metering applications, unit meets demands of modern rail systems and fulfils all new EMC requirements. CE marked device offers high level of partial discharge extinction voltage.

ABB Ltd.
Zurich CH-8050  Switzerland
Aug 22, 2008 Suited for high voltage network applications, Magneto optical current transducer (MOCT-P) optical instrument transformer has free-standing sensor column that communicates with rack mounted electronic module, located in control house, by means of 200/230 multimode optical fibers. It features multiple analog 200 mV low voltage outputs, SF6 free design, and accurate reproduction of fault events. Unit can be used in transmission line, bus, transformer, breaker, or distribution schemes.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Jun 02, 2008 Designed to measure dc, ac, or pulsed current from ±40 to ±100 A, HAB 60-S transducers provide PWM output signal proportional to primary current being measured and operate from unipolar 5 V supply. They use open-loop, Hall-effect technology that helps simplify installation and servicing by eliminating need to cut primary cable carrying measured current. Electric offset error is 0.075 A across temperature range from -10 to +65° C and 0.15 A across full range from -40 to +125°C.

LEM U.S.A., Inc.
Milwaukee, WI 53224
Feb 14, 2008 Operating from single +5 V supply, Model LTSP measures positive and negative ac, dc, and pulse currents on PCBs and provides current output, which allows user to manage accuracy level and thermal drift by selecting output resistance. Unit offers access to internal reference on separate external pin for use with microcontrollers and/or A/D converters. Multi-range configuration is designed for nominal currents of 8, 12, and 25 Arms with galvanic isolation between primary and output circuits.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Feb 11, 2008 Combining ASIC with closed-loop technology, Model LTSP measures positive and negative ac, dc, and pulse currents on printed circuit boards, and offers access to internal voltage reference (2.5 V) on separate external pin. Multi-range configuration is designed for nominal currents of 8, 12, and 25 ARMS with galvanic isolation between primary and output circuits. Offered in 22.2 x 10 x 24 mm package, CE marked unit is UL recognized, and conforms to EN 50178 standard.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Dec 03, 2007 Measuring 174 x 86 x 54.1 mm, DH Series split-core transducers combine Hall-effect technology and signal conditioning in one housing with rectangular sensing aperture for non-contact measurement (supporting up to 104 x 40 mm busbars or 40 mm cables). Products offer choice of primary current measurement from 500-2,000 A and provide absolute accuracy of better than 1% of nominal current value. Bipolar measurement value is delivered via 4-20 mA output.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Jun 18, 2007 Surface-mounted onto PCB, Model HMS current transducer measures .630 x .531 x .472 in. and integrates primary conductor. It features 2.5 V internal reference voltage and -40 to +85°C operating temperature range. Four standard units are available to cover nominal ac, dc, pulsed, and mixed isolated current measurement of 5, 10, 15, or 20 ARMS, up to 50 kHz, with measuring span of up to ±3 x IPN. CE marked unit conforms to EN 50178 standard.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Jun 14, 2007 Operating from +5 V power supply, surface-mount Model HMS combines ASIC with open-loop, Hall-effect technology. It comes in 4 models to cover nominal ac, dc, pulsed, and mixed isolated current measurement of 5, 10, 15, or 20 ARMS, up to 50 kHz. Internal reference voltage of 2.5 V is provided on separate pin or can be forced by external reference for reference thermal drift cancellation. Measuring .630 x .531 x .472 in., transducers operate from -40 to +85°C.

Physik Instrumente (PI)
Auburn, MA 01501
May 07, 2007 Based on ceramic encapsulated PICMA® multilayer actuator technology, Model P-871 closed-loop piezo bender actuator provides travel ranges up to 1,600 µm (2,000 µm in open loop) and prevents water diffusion into insulation layer. Featuring monolithic design, unit operates at ±30 V and has up to 150°C operating temperature range. Actuator can also be fitted with Models E-651.1S and E-651.2S bench-top units and E-614 OEM controller card for precise closed-loop motion control.

Lindsey Manufacturing Co.
Azusa, CA 91702
Apr 20, 2007 Designed for electric utility distribution automation systems, Voltage Monitor Transducer provides interface between Current and Voltage Monitoring Insulators and current sensors and electric utility protection relays, metering devices, and other IEDs. It incorporates 3 channels to accommodate 3-phase voltage monitoring applications. Integral power supply accepts 120 Vac, 24 Vdc, or 48 Vdc. I/O voltage is 120 Vac nominal, with 150 Vac max output and 1,000 Vac/Vdc max input.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Apr 20, 2007 Mounted directly onto PCB as SMD device, Minisens integrates Hall-effect sensors with magnetic concentrator to allow 70 A and higher direct current measurement without requiring additional magnetic core. Solution offers full isolation, with no optocouplers required, and sensitivity from 20-200 mV per Amp of primary current with no insertion losses. Parameters can be configured by on-chip non-volatile memory, and IC offers unfiltered and filtered outputs.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Mar 28, 2007 Combining ASIC with open-loop, Hall-effect technology, HASS Series offers max current measurements from 50-600 A rms. Seven panel-mounted models are available, each measuring 1.6 x 1.2 x 1.3 in. with 0.8 x 0.4 in. aperture for primary conductor. Offering extended operating temperature of -40 to +185°F, transducers measure dc, ac, and pulse currents, while providing galvanic isolation between primary and output circuits. Units are CE marked and conform to EN 50178 standard.

LEM Holding SA
Plan-les-Ouates CH-1228  Switzerland
Mar 19, 2007 Measuring 2.2 in. high, closed-loop, panel-mounted Model LA 306-S features max bandwidth of dc to 50 kHz and overall accuracy better than 0.7% at primary nominal RMS current. Typical linearity error is ±0.1% at nominal current and max offset temperature drift is 500 µA from -40 to 185°F. Accepting busbars up to 0.51 x 1.18 in., transducer provides response time of less than 1 µs and isolation test voltage of 6 kVrms/50 Hz/1 min.