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Test & Measuring Instruments ->
Indicators ->
Current or Voltage Indicators
Current or Voltage Indicators
(Showing headlines 21 - 40) 1 2 3
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 Three-Phase Monitoring Relays protect machinery and people.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.
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 Voltage Monitor features 4 different measurement inputs.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.
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 Electronic Monitoring Relays measure current and voltage.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.
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 Monitoring System ensures consistent weld quality.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.
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Supervisory ICs have manual reset and watchdog functions.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.
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 Voltage Supervisors come in 2.95 x 2.8 mm SOT-23 package.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.
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 Voltage Monitoring ICs can be used as drop-in replacements.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.
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 Supervisory IC monitors UV or OV for power supplies.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.
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Current Alarm Module helps prevent motor failure.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.
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 Voltage Monitor alerts users to dangerous panel conditions.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.
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 Analysis System locates distribution impedance problems.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.
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 Electrostatic Voltmeter features non-contact design.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. |
 Current Sense Monitors offer wide common mode input range.Texas Instruments, Inc., Semiconductors
Dallas, TX 75243
Apr 28, 2005 With common mode input of -16 to +80 V, Series InA19x measures high-side current in automotive, motor control, power management, and battery charging applications. Units feature single supply voltage of +2.7 to +18 V, with 400 kHz bandwidth, quiescent current of 700 µA max per channel, and temperature range of -40 to +125°C. Three output voltage transfer functions of 20, 50, and 100 V/V are offered. |
 Voltage Logger accommodates systems up to 600 Vac.Acksen Ltd
Belfast BT7 1NJ United Kingdom
Nov 19, 2004 Three-Phase Electocorder, Model EC364-V monitors voltages in substations, distribution boards, and pumping stations. It measures minimum, average, and maximum voltages and stores data in memory with dates and times; Electrsoft software enables user to download data from logger, plot graphs, and save or export data. It also retains each Electrocorder’s location, installation date, and date on which logging is due to complete recording. |
 AC Current Monitoring Kit monitors up to 10 locations.Saelig Co., Inc.
Pittsford, NY 14534
Oct 27, 2004 Used to identify where and when electricity is used, PP194 monitoring kit contains components needed for data logging currents from up to 3 separate circuits. Kit contains EL040 power monitor, EL005 EnviroMon data logger, 3 TA011 current clamps, network cable, and power supply. Logger records up to 250,000 measurements at user-programmed intervals from 1 S/min to 1 S/240 min. Up to ten EL040 units can be connected to one EL005 via 400 m long (max) network cable. |
 System Monitors are targeted for specific applications.Elma Electronic Inc.
Fremont, CA 94538
Oct 18, 2004 Sentry I System Monitor, suited for VME/64x, VXI, CompactPCI, and other chassis, monitors up to 8 voltages and can be configured for non-standard voltages. Unit reports fan fail and over-temp status via LEDs. Designed for COTS/Mil programs, microprocessor-based Sentry III Diagnostic Monitor enables users to monitor and control power supplies, fans, and other components in Elma chassis. IPM Sentry shelf manager individually adjusts speed of fans depending on temperature within chassis. |
 Voltage Monitor suits commercial/industrial applications.SymCom, Inc.
Rapid City, SD 57709
Dec 31, 2003 Model 460 Three Phase Voltage Monitor protects motors from phase loss and reversal, overvoltage, undervoltage, voltage unbalance, and phase/frequency shift. It combines motor protection and control with finger-safe wiring and LED fault indication. Its 4 adjustable settings are nominal voltage, restart delay time, unbalance percentage trip point, and trip delay time. Product also offers DIN rail compatibility and auto-ranging design. |
 Voltage Monitor has 22 mm DIN rail mounting enclosure.ABB SSAC
Baldwinsville, NY 13027
Oct 20, 2003 CM-MPS Series voltage monitor provides 3-phase motor protection in euro-style enclosure with built-in finger safe, double chamber, and terminal blocks that allow positive connections when 2 different wire sizes are used. Series monitors phase-to-phase voltages and protects against failure caused by phase loss, phase reversal, undervoltage, overvoltage, and unbalanced voltages. Features include adjustable trip points, time delay, and trip delay. |
 Current Detector locates current in hidden wires and cables.Extech Instruments Corp.
Waltham, MA 02451 1020
Apr 30, 2003 Non-Contact Model DA30 detects AC current from 200 mA to 1000 A through shielded wires, conduit, metal circuit breakers, and junction boxes. Sensitivity adjustments help to locate wires and conduits through walls. Detector, with audible and visual indication, includes 4 LR44 button batteries and pocket clip. |
 Welding Monitor displays 2 stations simultaneously.Unitek Miyachi Lasers
Monrovia, CA 91017 7133
Mar 27, 2003 Offered in 3 models, compact, color, digital Series MG3 measures and monitors current, voltage, and displacement. Configurable to meet user requirements, product provides 2 channels of current and voltage monitoring (standard) plus one or 2 channels of displacement monitoring, depending on model. Features include flexible, full color run screen, zoom function, and built-in SPC capabilities, including histograms and run charts. |
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