Measurement Computing Corp.
Norton, MA 02766
Aug 02, 2007 Supported under Windows® OS, USB-TC-AI and USB-TEMP-AI are USB 2.0 modules featuring 4 differential temperature inputs and 4 differential or single-ended voltage inputs with programmable gain. Model USB-TC-AI's temperature channels support J, K, R, S, T, N, E, and B type thermocouples, and USB-TEMP-AI adds support for RTDs, thermistors, and semiconductor temperature sensors. Input ranges for voltage channels on both models are software-programmable for ±10, ±5, ±2.5, and ±1.25 V.

Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Jul 18, 2007 Model INA209 high-side measurement, bi-directional current/power monitor IC offers 1% accuracy over -40 to +85°C temperature range with 100 µV maximum offset. Enabling monitoring and control of current, voltage, and power, device monitors drop across shunt resistor, senses shunt bus voltage from 0-26 V, and offers full scale readings as low as ±40 mV. I²C interface includes timeout to prevent bus lock-up and high speed mode to enable communications up to 3.4 MHz.

Linear Technology Corp.
Milpitas, CA 95035-7417
Apr 06, 2007 Suited for use as voltage monitor or threshold detector, LT6703 features total threshold error of 1.25%, comes in 2 x 2 mm DFN package, and operates with 1.4-1.8 V supply. It requires 6.5 µA of quiescent current and under 10 nA of input bias current. Input accepts voltages from 0-18 V, independent of supply voltage, and open collector output can be pulled up to 18 V, also independent of supply. Operating over -40 to +125°C range, IC features 6.5 mV internal hysteresis.

Linear Technology Corp.
Milpitas, CA 95035-7417
Apr 03, 2007 Housed in 5-lead, SOT-23 package and drawing 10 µA, Model LTC1728H-5 monitors 5 V, 3.3 V, and one adjustable trip threshold set with external resistive divider network, allowing users to monitor voltages as low as 1 V. Unit offers 1.5% threshold accuracy over which reset can occur, minimizing overall voltage margin required for system operation. This, along with power supply glitch filtering, ensures predictable reset operation without false triggering.

Ideal Industries, Inc.
Sycamore, IL 60178
Jan 30, 2007 By plugging into circuit at point of equipment connection, Voltage Performance Monitor identifies voltage events and harmonics that cause equipment damage and failures. It tells technician if problematic voltage events are occurring and logs time, duration, and severity of event. Up to 512 events can be stored in memory for review by category or chronological order. Instrument also lets technician verify need for UPS installation or surge protector.

Ion Physics Corp.
Fremont, NH 03044
Jan 04, 2007 Able to measure pulse currents up to 50,000 A, CM-1-E-beam current transformer combines 10 nanosecond risetime and 10 mV/A output sensitivity. It is constructed to operate in either vacuum or atmospheric pressure and has 8 in. ID and 12 in. OD. While designed as E-beam monitor, unit can also measure high-frequency transients on conductor carrying high dc or ac currents with minor modifications.

Linear Technology Corp.
Milpitas, CA 95035-7417
Dec 06, 2006 Supplied in 8-lead ThinSOT(TM) or 3 x 2 mm DFN package, LTC2912 features voltage monitoring inputs with filtering to reject brief glitches and minimize false or noisy triggering. Undervoltage (UV) and overvoltage (OV) trip thresholds, programmed by external resistors, exhibit ±1.5% accuracy and let users tailor IC to specific voltage levels. Offered in 3 output configurations, IC also features adjustable timer to define duration of independently functioning UV/OV reset outputs.

Spectrum Control, Inc.
Fairview, PA 16415
Sep 13, 2006 Employing monitoring computer and 6 dual current sensing modules, Data Acquision Module 7832M-02 measures voltage and amount of current draw present at strategic points in system and verifies that system is operating within specified metrics. Data is transmitted via SNMP, but use of Telnet and serial communications is also supported. In addition to monitoring and reporting system aspects, module also helps identify circuit breaker trips and early stage device failures.

Carlo GAVAZZI Automation Components
Buffalo Grove, IL 60089
Aug 25, 2006 Provided in 177-275 Vac and 323-550 Vac ranges, DIN rail mount Series DPB71 monitors for overvoltage, undervoltage, phase sequence, and phase loss situations on 3 phase and 3 phase+ neutral systems. Capable of monitoring 50-60 Hz, Series DPC01 is available in ranges from 115 Vac delta voltage through 690 Vac delta or star voltage. Units provide True RMS monitoring for over and under voltage, phase sequence, phase loss, and symmetry on 3 phase and 3 phase+ neutral systems.

Linear Technology Corp.
Milpitas, CA 95035-7417
Aug 01, 2006 LTC2914 voltage monitor IC contains undervoltage (UV) and overvoltage (OV) inputs and allows specific UV and OV trip threshold configuration with ±1.5% accuracy of monitored voltages. Buffered reference output and 3-state input polarity-select pin allow monitoring of 2 separate negative voltages. Featuring input glitch filters that eliminate noise and 70 µA quiescent current, IC is suited for telecom/network equipment, storage servers, and desktop and notebook computers.

Phoenix Contact
Harrisburg, PA 17111 0100
Jun 15, 2006 Measuring 22.5 mm wide, DIN-rail mount modules are suited for single- and 3-phase applications. Current monitoring relays handle AC and DC currents from 0-100 mA, 0-1 A, and 0-10 A, while voltage monitoring relays handle single-phase AC and DC voltages from 0-30, 0-60, and 0-500 V. Both types are available in 2 versions: single-function SL version and multifunctional FL version. Devices are configured via potentiometers and rotary switches on front face of modules.

Bosch Rexroth Corp., Electric Drives & Controls
Hoffman Estates, IL 60192
Feb 28, 2006 Offering current/voltage and/or ultrasonic control, Model PSQ 6000 provides non-destructive testing for medium-frequency applications in automotive welding and assembly lines. By measuring current and voltage, course of resistance and energy can be recorded, controlled, and evaluated during welding. Ultrasonic monitoring system consists of XQR control board, UDM signal processor, and ultrasonic sensors that ensure quality of spot welds during welding process.

austriamicrosystems AG
Premstatten   Austria
Jan 25, 2006 Suited for portable and battery-powered systems, AS1910-15 series dual-voltage microprocessor supervisory ICs consume 5.8 µA typ and feature manual reset input and watchdog function with timeout period of 1.5 sec. Products operate over -40 to +125°C range, generating reset when one of 2 monitored supply voltages falls below factory-trimmed thresholds of 1.8-3.6 V and 0.9-2.5 V. Design safeguards that ICs are in correct state for VCC down to 1.0 V.

Microchip Technology, Inc.
Chandler, AZ 85224 6199
Jan 19, 2006 Designed to monitor microprocessor activity in digital systems, MCP1316, MCP1316M, MCP1317, MCP1318, MCP1318M, MCP1319, MCP1319M, MCP1320, MCP1321, and MCP1322 integrate watchdog timer, manual reset, and multiple combinations of push-pull or open-drain reset outputs in 5-pin package. They operate over -40 to +125°C range at input voltages from 1.0-5.5 V, consume 5 µA typ, and feature factory trip-points from 2.0-4.7 V in 100 mV increments.

STMicroelectronics
Carrollton, TX 75006
Jan 06, 2006 Supplied in lead (Pb)-free, RoHS-compliant, SOT23-3L package, STM1061 series precision voltage detectors can be used for 1-bit A/D conversion, voltage limit monitoring, and microprocessor supervision. They are available with choice of 40 laser-trimmed voltage thresholds, offered in 0.1 V increments from 1.6-5.5 V, and typically consume 900 nA. Operating in -40 to +85°C temperatures, units can be used as MCU Reset ICs via external capacitor on open drain output.

Linear Technology Corp.
Milpitas, CA 95035-7417
Nov 29, 2005 Model LTC2909 features single select pin that chooses one of 3 polarity combinations for two 0.5 V adjustable inputs, which have threshold accuracy of ±1.5%. Product can monitor 2 supplies - positive, negative, or both - for undervoltage (UV), overvoltage (OV), or one of each. It can also monitor single supply, positive or negative, for UV and OV simultaneously. Other features include 6.5 V shunt regulator, adjustable reset timeout period, and power supply glitch immunity.

Automation Systems Interconnect Inc.
Mechanicsburg, PA 17055
Nov 29, 2005 Designed to detect potential problems before motor failure, CCIS current threshold alarm module monitors circuits rated from 1-30 A. Along with transistor and relay output capabilities, product features Hall Effect sensor that detects current level on line being monitored. A 24 Vdc signal is high when monitored current is below user-selected set point value and goes to 0 V in alarm mode. Threshold value can be regulated to detect dangerous currents.

Grace Engineered Products, Inc.
Davenport, IA 52807
Nov 10, 2005 Mounted inside control panel via DIN rail, VoltageVision(TM) Power Warning Alert locates every power source inside panel to maintain electrically safe work conditions. It enables those performing maintenance on open control panels to see voltage state of every power source. Hardwired into any power source, unit flashes whenever hazardous voltage is present in any single/3-phase or dc power system. System detects ac and dc voltage and operates from 40-750 Vac/30-1,000 Vdc.

Z Meters, Inc.
San Jose, CA 95124
Nov 09, 2005 Utilizing time-synchronized, multipoint measurement and correlation techniques, ZM100 characterizes impedance of distribution systems. It consists of 2 or more ZM100 Distribution Analyzers, connected to salient point in facility's electrical distribution system, used to identify and localize variety of conditions that can lead to voltage anomalies and/or power loss. Features include Bluetooth wireless communications and Windows-based software.

Trek, Inc.
Medina, NY 14103 9710
May 17, 2005 Built to measure and monitor electrostatic charge, Model 400 incorporates vibrating reed probe sensor and noise null control potentiometer. It can be used with single chopper probe or dual chopper probe, which provides response time of less than 200 µsec for 1 kV step response with zero phase lag. There is no overshoot or undershoot when measuring step voltage changes, and measurement accuracy is better than ±0.05% of reading ±0.5 V at monitor output.