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Keithley Instruments – Precision Instrumentation

The company, founded in 1946 by Joseph F. Keithley in a Cleveland, Ohio, workshop, designs, develops, manufactures and markets complex electronic instruments and systems geared to the specialized needs of electronics manufacturers for high-performance production testing, process monitoring, product development and research. Now part of Tektronix.

Keithley Instruments – Precision Instrumentation

2010 – Keithley Instruments joined Tektronix as part of its test and measurement portfolio.

  • Instruments Relevant to Lab and Research
  • Digital Multimeters and Data Acquisition/Switching Systems
  • Low Voltage/Low Resistance Measurement Products
  • Low Current/High Resistance Measurement Solutions

2182A Digital Nanovoltmeter

2182A Digital Nanovoltmeter

“A two-channel Nanovoltmeter for making stable, low noise voltage measurements and for characterizing low resistance materials and devices reliably and repeatably.”

Keithley Instruments Wiki

In September, 2010, the company agreed to sell itself to the Danaher Corporation, a Washington, D.C.-based conglomerate, for $21.60 per share. It was soon merged with Tektronix, Inc, which had been acquired by Danaher in 2007, and now exists wholly as a brand of Tektronix.

Keithley Instruments, Inc.
28775 Aurora Road Cleveland, Ohio 44139, USA.

Amprobe Test Tools and Instruments

Quality and Reliable test equipment for professionals for electrical maintenance and Testing. Used also in HVAC Work (Heating, Ventilating and Air Conditioning). Manufacturer of Testing, Monitoring, and Troubleshooting Tools.

SOLAR-500 Solar Analyzer - Amprobe

Products include clamp-on ammeters, power quality analyzers, Multimeters and circuit tracers. Power Quality (PQ) equipment and Environment (Water, Air) Quality Instruments too.

Amprobe Test Tools and Instruments

“Professional analyzer for testing, maintenance, troubleshooting and efficiency of solar panels. The analyzer is used in the installation of solar panels to determine the proper inverter size, optimum power output position of panels and identifies broken or worn-out cells.”

SOLAR-500 Solar Analyzer – Amprobe

Some Features

  • I-V Curve test for solar cell
  • Voltage at open circuit (Vopen)
  • Current at short circuit (Ishort)
  • I-V curve with cursor
  • Calculation of panel efficiency (%)

History – Among the first products was the Clamp-on Inductive Ammeter, for which the company received its first patent in September 1950.

Amprobe
P. O. Box 9090
Everett, WA 98206, USA

QuadTech – Precision Test Equipment

QuadTech and Chroma ATE manufacture hipot testers, safety analyzers, LCR meters and milliohmeters.

QuadTech offers a number of solutions to meet the demands of medical device testing. From a single medical device safety tester (analyzer) to a complete medical device safety testing solution

QuadTech, Inc. founded as spinoff of GenRad’s Instrumentation Division – 1991.

(QuadTech now part of Chroma Systems Solutions – Updated March 2013).

QuadTech 1715 LCR Digibridg

QuadTech LCR Meters

The QuadTech 1715 LCR Digibridge is an economically priced, easily programmable, micro-processor based passive component tester for fast, precise impedance measurements.

It measures eleven different parameters with a basic accuracy of 0.2%. The 1715 provides four different test frequencies and two test voltages for testing flexibility.

For remote operation and automated system applications, the unit comes standard with an RS-232 interface, plus IEEE-488 and Handler interfaces are available as options.

QuadTech – Precision Test Equipment
25612, Commercentre Drive, Lake Forest, CA 92630-8813, USA.

Sanwa Electric Test Instruments

One of the Manufacturers of Good Quality and Affordable Electrical Test Instruments from Japan. They have been manufacturing reliable test equipment for many decades. – delabs

Sanwa Electric Test Instruments

Digital Multimeter, Analog Multitester, Insulation Resistance Tester, Earth Tester, Laser Power Meter, Lux Meter, Thermo Meter, Tacho Meter, Phase Detector.

Sanwa Digital Volt Tester KP1(CAT.IV 600V)

IEC61010 CAT.IV 600V pocket size Digital Volt Meter,  AC/DC auto-identifying voltage measurement, AC measurement in True RMS. EF (Electric Field) detection

Sanwa Digital Volt Tester

History –

1941 – Sanwa Denki Keiki Seisakusho established as a company manufacturing and selling diagnostic tools, or multi-testers (circuit testers) for use in equipment repair, following the increased popularity of radio receivers. (Koganei-machi, Kitatama-gun, Tokyo)

Sanwa Electric Instrument Co., Ltd.
Dempa Bldg., 4-4 Sotokanda 2-Chome, Chiyoda-ku, Tokyo 101-0021 Japan

Extech Instruments – Measurement Instruments

Extech a Division of FLIR System is a source for many test and measurement instruments. They also have Thermal imaging cameras and Portable printers.

Extech Instruments – Measurement Instruments

The instruments include multimeters, clamp meters, electrical testers, and environmental meters for the measurement of light, sound, temperature, humidity, airflow, RPMs, and water quality.

MS6100 Oscilloscope

MS6100 – 100MHz 2-Channel Digital Oscilloscope

One-touch automatic setup optimizes the position, range, timebase, and triggering to assure a stable display of virtually any waveform

Waveform Recorder to capture/replay input waveforms from CH1 and CH2 with a maximum record length of 1000 frames.

Built-in 6,000 count True RMS MultiMeter with analog bargraph

Extech Instruments Corporation
9 Townsend West Nashua, NH 03063 U.S.A.

Transcat – Quality Calibration and Repair Services

Distributor of test and measurement and calibration instruments and provider of NIST traceable ISO/IEC 17025 accredited calibration services. Founded in 1964, Transcat has been supporting industry’s test and measurement requirements for over 50 years.

Transcat – Quality Calibration and Repair Services

“TRANSCAT’s proprietary metrology management program – provides quality calibration documentation, tracking and recall for every instrument we calibrate.”

Transcat - Quality Calibration and Repair Services

Transcat Consulting Services restores compliance to manufacturing processes with a goal of optimizing instrumentation and selection, calibration intervals, and service processes and procedures.

Transcat is a industry recognized leader in providing quality, Accredited calibration services, operating laboratory locations across North America.

Transcat, Inc.
35 Vantage Point Drive Rochester, NY 14624

New Wave Instruments – RF Test Equipment

New Wave Instruments has been the leading manufacturer of PN sequence (PRBS) generators for over two decades. These generators are used in laboratories, factories, and universities throughout the world for spread spectrum and CDMA research, product development, and system test.

New Wave Instruments – RF Test Equipment

Satisfied customers include such outstanding organizations as General Electric, Bell Atlantic, NYNEX, Boeing Aerospace, Lockheed, and Johns Hopkins Applied Physics Laboratory.

LRS-205 Spread Spectrum Generator

LRS-205 Spread Spectrum Generator

The LRS-205 generates PN sequences that are useful for developing and testing both spread spectrum and conventional data communication systems. These sequences are generated with a configurable 32-stage linear-feedback shift register (LFSR).

“New Wave Instruments began life in the usual way — in a small Silicon Valley garage back in the 1980s. The year was 1987, and awareness of spread spectrum technology was just beginning to grow…..”

New Wave Instruments
1624 West 980 South Orem, UT 84058, USA