Siemens AG    Munich D-80333  Germany
Apr 17, 2012 Complimenting all 24 V power supplies, Sitop PSE200U distributes and monitors load current across several load feeders. Overloading and short circuits are displayed on separate LED for disconnected channel. Channel-specific signalling - indication of faulty 24 V load circuit - is available in selectivity modules with outputs of either 4 x 3 A or 4 x 10 A. To enable channel-specific analysis, message output is connected to controller's digital input.

STMicroelectronics    Lexington, MA 02421
Jan 23, 2012 Supplied in 2 x 3 x 0.8 mm package, STC3105 measures battery voltage and current to increase handheld electronics' battery runtime and lifespan. IC uses open-circuit voltage and coulomb-counter methods to estimate battery capacity as well as supervise and track charge/discharge status. Drawing 60 µA typ, product also features power-saving mode and programmable alarm output. Latter can alert system when battery state of charge is below certain level without involving system MCU.

Ion Physics Corp.    Fremont, NH 03044
Feb 10, 2011 Electrostatically shielded CM-01-CS11 measures narrow current pulse of several hundred kA and AC currents up to 2,000 ARMS with 3 dB bandwidth of 0.1 Hz to 100 kHz. One turn primary is internally terminated in low inductance impedance network to convert current signal to voltage signal. Offering 1 mV/A sensitivity, monitor senses magnetic field surrounding primary current carrying cable or charged particle stream. Saturation limit is 250 A, usable risetime is 4 µsec, and droop is 0.1%/ms.

J-Works, Inc.    Sylmar, CA 91342
Feb 03, 2011 Used in test, control, monitoring, and measurement applications, model JSB375 monitors 4 AC lines and features four 15 A, SPST relays. AC monitor inputs sense AC voltage, and current state of each input can be read from USB port. SPST relays outputs provide host control between common line and normally open connection point. In addition to supporting 2 or 4 monitors and relays, product accommodates any programming or test language that supports USB communications.

2BM Ltd    Nottingham NG9 6DZ  United Kingdom
Sep 09, 2010 Able to be installed into live environments for uninterrupted operation, 2bm iMeter features intelliAmp sensor, which monitors current draw of racks via 16 and 32 A cables. System provides insight into energy requirements of servers, SANs, switches, and attendant supporting equipment, enabling controlled reduction of data center's PUE rating. In addition to continuous voltage and current monitoring, system offers True-RMS current metering, user-configurable alarm thresholds, and Web interface.

AMETEK Solartron Metrology    Gastonia, NC 28054
Aug 13, 2010 Designed to test electrical properties of materials ranging from insulators to superconductors, ModuLab MTS combines time domain tests and AC tests together with wide range of modules, providing high voltage, high current, resolution, and sample/reference measurements. Core of system is MAT core module, which makes use of DSP technology to provide accurate experiment control, data acquisition, data averaging, and responsive safety and step limit detection.

Pilz Automation Safety L.P.    Canton, MI 48187
Jun 08, 2010 With failsafe analog input modules, PSS 4000 is suitable for safe, decentralized recording of analog values. Two different modules are available for safety-related evaluation of voltage signals from -10 to +10 V or current signals from 0-25 mA. PSSuniversal PLC offers various head modules to which I/O modules can be connected individually and which are available for control functions, local preprocessing, or in form of communication interface for SafetyNET p.

Diodes, Inc.    Westlake Village, CA 91362
Jun 07, 2010 Models ZXCT1083, ZXCT1085, and ZXCT1087 support voltage range of 2.7-40 V, while ZXCT1082, ZXCT1084, and ZXCT1086 units are rated for 2.7-60 V. Products detect current in high-side sense resistor and reference it to ground. Featuring independent supply and common-mode voltage inputs, ICs permit currents to be measured beyond limits of normal power supply rails. They operate over -40 to +125ºC temperature range, with quiescent current of 0.6 μA, and offer fixed and programmable gain.

austriamicrosystems AG    Premstatten   Austria
May 25, 2010 Housed in 4 x 4 mm QFN-16 package, Model AS8002 delivers sensed voltage and current in high-resolution digital format and is intended for grid connected systems such as solar photovoltaic inverters. Flexible front-end provides adjustable gain to accommodate various resistor values, while on-chip calibration allows compensation for external component inaccuracies and variations over temperature. Operating from 3.0-3.6 V, IC is specified for temperature range of -40 to +125°C.

Motor Protection Electronics, Inc.    Apopka, FL 32703
May 25, 2010 Featuring dual adjustment ranges, Model 001-DVM-118 monitors for under voltage, phase reversal, and phase imbalance. Plug-in, 8-pin unit has one SPST output relay rated 10 A @ 240 Vac and one additional NO contact between pins 6 and 7. This additional contact carries same rating and closes as well when correct voltage is supplied. With correct voltage applied, internal relays will energize and LED illuminates, allowing normal operation.

Motor Protection Electronics, Inc.    Apopka, FL 32703
May 25, 2010 With adjustment ranges of 200-240 or 425-525 Vac, 12-pin Model 001-DVM-1212 monitors for under voltage, phase reversal, and phase imbalance. Plug-in style unit has one DPDT output relay rated 10 A at 240 Vac. With correct voltage applied, internal relay energizes and LED illuminates, allowing normal operation. Abnormal condition causes LED to blink during trip delay, and when trip delay has expired, internal relay will be de-energized. LED then provides pulses that indicate fault condition.

ON Semiconductor, LLC    Phoenix, AZ 85008
Apr 26, 2010 Integrating 4 voltage level monitors in RoHS-compliant, 6-pin SOT23 package, CAT8710 is suited for simultaneously monitoring multiple voltages in microprocessor- or ASIC-based systems. There are 2 factory preset thresholds for monitoring 3.3, 3.0, 2.5, and 1.8 V supplies within ±5% and 2 that are customer-programmable using external resistors and adjustable down to 0.6 V. While product can be operated from 1.5-5.5 V supply, it only draws 3 µA.

Maxim Integrated Products    Sunnyvale, CA 94086
Apr 05, 2010 Supplied in 3 x 3 mm, 14-pin TDFN package with exposed pad, DS1842A is 76 V APD (avalanche photo diode), bias-output-stage, and current-monitoring IC suited for providing bias to and current monitoring for APDs in PON-OLT and PON-ONT equipment. It integrates high-voltage current source; several current mirrors for monitoring APD current; and FET switch configured to work in conjunction with external DC-DC controller to implement boost DC-DC converter.

Maxim Integrated Products    Sunnyvale, CA 94086
Mar 16, 2010 Designed to simplify power-management schemes in multivoltage systems, flash-configurable MAX16070/MAX16071 supervise 12/8 voltages plus one current. Each integrates current monitor, nonvolatile fault registers, and graphical configuration tool. In addition to ±1% accurate voltage monitoring, products offer ±2.5% accurate current monitor that eliminates need for external current-sense amplifier. Specified over -40 to +85°C range, ICs come in 6 x 6 mm, 40-pin TQFN package.

Carlo GAVAZZI Automation Components    Buffalo Grove, IL 60089
Feb 23, 2010 General-purpose EM21 Series features detachable, connector-less, and battery-less LCD that lets user configure instrument for panel or DIN-rail mounting as energy meter or transducer. It is suitable for active and reactive energy metering for cost allocation as well as main electrical parameter measurement and retransmission. Solution supports single-phase (2-wire), 2-phase (3-wire), 3-phase (3-, 4-wire, balanced, unbalanced) systems for up to 400 VLL.

Motor Protection Electronics, Inc.    Apopka, FL 32703
Feb 15, 2010 Dual Voltage Phase Monitors, available in 2 plug-in styles, are auto-ranging units that protect against under voltage, phase reversal, phase loss, and phase imbalance. Options include over voltage protection and 5 Delay on Operate time delays. Acting as diagnostic tool, 8-pin 001-DVM-118 and 12-pin 001-DVM-1212 use LED to provide series of pulses that indicate which fault is present. Eight-pin version offers additional SPST contact on previously unused pins 6 and 7.

Saelig Co., Inc.    Pittsford, NY 14534
Jun 12, 2009 Designed for current and voltage measurements in automotive hybrid or electrical powertrain systems, KLARI-MOD SC 1000V Series offer 16-bit resolution and 1,000 V safety isolation between measurement circuitry and data output. Modules can be adapted to meet changing measurement requirements via use of different shunts or voltage probes. Data output is available via CANbus or RS232 serial interface.

International Rectifier Corp.    El Segundo, CA 90245
Mar 27, 2009 Supplied in 12-pin, 3 x 4 mm DFN Pb-free package, IR3725 input power, voltage, and current monitor IC is intended for 12 V power supplies used in CPU, server, and storage applications. TruePower(TM) technology is utilized to output average power during specified interval over digital I²C interface. This information is used by system controller to optimize overall power consumption, delivering current accuracy of 1.0% and voltage accuracy of 1.5%.

ICM Controls    Cicero, NY 13039
Dec 02, 2008 Featuring backlit digital display, Model ICM492 protects single-phase equipment against low and high voltage conditions and rapid short-cycling. Device continuously checks incoming line voltage for faults and displays RMS voltage. Response time on fault condition can be fine-tuned to minimize nuisance trips. Additional features include adjustable anti-short cycle time delay, control mode, universal line voltage input, and heavy-duty SPDT relay output.

Summit Microelectronics, Inc.    Sunnyvale, CA 94085
Aug 27, 2008 Providing real-time output voltage and input current monitoring for power control, SMM151/2/3 features I²C interface, non-volatile memory, 256 bytes general-purpose EEPROM memory, and 2 general-purpose voltage comparators. Devices allow input current and differential output voltage monitoring via integrated 10-bit A/D conversion. While SMM151/2 provide output voltage margining with 0.3 V to VDD (up to 5 V) range, SMM152/3 also integrate 4 GPIO.