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CR Magnetics -- Current transformers; current relays (AC current sensing relay, phase loss relays, ground fault relays); voltage transformers (low voltage transformers, high voltage transformers) line of current monitoring products.
Colby Instruments, Inc. -- Manufacturer of precision programmable delay lines and phase shifters. Both mechanical and electronic solutions are offered with resolutions down to 0.25 ps, and bandwidth from dc to 18 ghz (dc to 40 gb/s nrz).
DayCor -- Ofil Ltd DayCor camera: solar blind imager for inspection of corona & partial discharges on high voltage lines & insulators, fire & flame detection under full daylight conditions.
Edison Controls F.C.I., Inc. -- Manufacture of line powered Faulted Circuit Indicators (FCI''s) for overhead and underground electrical distribution circuits world wide.
Electrical Test Instruments & Equipment From Biddle, Megger & More -- Electrical Testing / Electronic Testing Equipment & instruments including AVO Products such as Biddle & Megger, infrared imaging systems & more. We provide equipment and services to the power industry
Electrical testing and maintenance by Midwest Electrical -- Midwest Electrical Testing provides complete field services to maintain, inspect, and test electrical power distribution equipment and system (transformers, breakers, switchgear, relays, bus, etc.) We also perform Infrared and Ultrasonic Scanning.
Electronics Product Design, Inc. -- Designer and manufacturer of voltage meters, watt-hour meters and a variety of AC and DC electrical power measuring instruments.
Extech Instruments Home Page -- International supplier of hand-held test and measurement equipment for industrial applications: calibrators, clamp meters, DMMs, panel meters, power meters, temperature meters, and portable printers.
Fluke (USA) -- manufacturer of electronic test and measurement tools, network troubleshooting equipment, cable testers, digital multimeters, scopes, electrical testers, process calibrators, and calibration equipment.
Hobut -- Howard Butler Ltd are ISO9002 registered manufacturers of panel meters, current transformers, transducers, relays, shunts, battery charge indicators, thermal cutouts, multi-meters and more
IET LABS - Decade Boxs Substituters -- Calibration, Measurement, Mesurement, Decade Box, Substituter, Decade Resistor, Resistance Substituter, RTD Simulator, RTD, Decade Capacitor, Decade Inductor, Standards, Standard Resistor, Standard Capacitor, Standard Inductor, Calibrator, Voltage, Current Equipment
Integrated Metering Systems, Inc. -- A manufacturer of electronic kilowatt-hour meters for sub-metering applications.
K - Tech, Inc. -- Electrical meters designed for deregulation. Capable of being both the billing meter and giving the customer access to billing data and power quality. Also analog and digital panel meters, transformers and transducers.
Load Banks -- Avtron has a complete line of load banks for load testing generators and power supplies. Avtron load banks are available in a variety of voltages and frequencies.
Manta Test Systems Inc. -- Advanced electronic test products and services for electrical power system protection, control and measurement. Manufacturer of protective relay test equipment, power meters and transducer calibrators.
Multiplexing Telemetry systems for Transmitting data wireless. -- Multiplex Telemetry systems for Transmitting data wireless; Transmit Multiple sensor signals via a single transmitter. Torque, Acceleration, Temp... signals from rotating shaft or inaccessible sensors.
National Meter Industries -- National Meter Industries,
Optimum Energy Products -- Specializes in energy hardware and software products for the commercial and industrial sector. Conservation, control, metering and monitoring are our speciality.
Phares Electronics Corporation -- Manufacturer of industrial tachometers, magnetic disks, sensing heads, and custom electrical control panels.
Power Measurement -- Power Meters for Power, Energy and Power Quality Monitoring.
Power Meter By IMS Saves Money! -- IMS is a manufacturer of electronic kilowatt-hour meters for use in sub-metering electrical consumption in multiple unit facilities.
Programma Electric - Test equipment for circuit breakers, protective relays and battery systems -- Programma develops, manufactures and markets test equipment and measuring instruments for the electrical power and telecom industry. The product range includes test equipment for power circuit breakers, protective relays, battery systems, and more.
Reliable Power Meters -- Reliable Power Meters specializes in Power Monitoring. data management and predictive maintenance software. Scenario, is Reliable Power Meters new software package to manage and visualize power monitoring data.
Rosenkranz Elektronik Online -- Sales and rental of used electronic test and measurement equipment.
SensorLink -- Develops and manufactures high voltage sensing instruments that meet the increasingly complex requirements of the power utility industry including hotstick or line mounted ammeters, voltmeters, ohmmeters, temperature meters, and power quality meters.
Sentech, Inc. -- Manufacturer of LVDT and RVDT tranducers, linear and rotary sensors. AC/AC and DC/DC, pressure sealed, intrinsically safe for hazardous environments
Step-Up Co -- Step-Up Co is a leading meter manufacturer and exporter in Hong Kong. Product range includes digital panel meter, thermometer, counter, timer, ac meter, digital thermometer.
TestSwitch. -- Space-saving switch for control and testing of power generation and distribution systems.
Voltage and Current Calibrators -- Set the standard for calibration traceability in many metrology labs and calibration houses. Their high precision and accuracy have become standards.
Welcome to Amprobe! -- AMPROBE is an established leader in quality test equipment for professionals in the electrical, HVAC, construction, and maintenance markets. Amprobe manufactures primarily hand-held devices.

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