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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.

Chroma – Energy Instruments and Systems

Chroma Systems Solutions, Inc. (CSS) is a US Corporation in a joint partnership with Chroma ATE of Taiwan. Sales and Service support at Chroma’s facility in Lake Forest, CA. Includes Stock of Product Line.

Chroma – Energy Instruments and Systems

Products Include – AC Power Sources, DC Power Supplies, DC/AC Electronic Loads, Digital Power Meters, DMM, Electrical Safety Compliance Testing Tools and ATE Automated Test Systems.

Chroma Modular 63600 DC Electronic Loads

Chroma Modular 63600 DC Electronic Loads with Constant Impedance Mode are designed for testing multi-output AC/DC power supplies, DC/DC converters, chargers, batteries, adapters, and power electronic components. Excellent for research, development, production, and incoming inspection applications.

Chroma Systems Solutions, Inc.
19772 Pauling, Foothill Ranch, CA 92610, USA.

NH Research Power Supply & Test Systems

Designs and manufactures power-electronics test instruments and automatic test systems. Applications typically involve the final test of power conversion products where test equipment performance, reliability and support.

NH Research Power Supply & Test Systems

Products Include solutions for DC-DC converter testing, AC-DC supplies, VXIbus based products and a universal UPS test system. DC and AC electronic loads of various capacities can be configured too.

Programmable AC Electronic Loads - NH Research

Programmable AC Electronic Loads – NH Research

Features Include

  • 3 kW / 30 A modules expandable to 180 kW
  • Power and crest-factor programmability
  • 12 built-in, high-accuracy measurements
  • Voltage 50 to 350 V
  • Current 30 A per 3 kW module
  • Frequency 45 to 440 Hz
NH Research, Inc.
16601 Hale Ave., Irvine, CA 92606 USA

Pickering Interfaces – Test and Measurement

A company in United Kingdom who Design and manufacture commercial and custom switching systems. These are used in the electronics test and switching systems in test automation. PXI instrument modules, Switching products based on proprietary chassis systems, on the open standard PXI system, PCI cards and on the VXI standard too.

Pickering Interfaces – PXI Instrumentation

The 41-180 Programmable Attenuator Module is available with either one or two independently programmable attenuators in a single width 3U PXI module.

PXI Instruments - Dual RF Attenuator 63dB in 1 dB steps

PXI Instruments – Dual RF Attenuator 63dB in 1 dB steps

Each attenuator uses high reliability mechanical switches to operate binary weight attenuator pads, providing attenuation values from 0 to 63dB in 1dB steps. Attenuator operating time is typically just 5ms, ensuring fast setting times.

Features Include

  • DC to 3 GHz attenuator
  • 1 dB attenuation resolution
  • Maximum attenuation 63 dB

Pickering Interfaces Ltd
Stephenson Road, Clacton On Sea, Essex, CO15 4NL, United Kingdom

Acquitek France – Data Acquisition Solutions

Acquitek with its sisters companies, Gage Applied Technologies and KineticSystems Corporation who are leading manufacturers of high end, high performance modular instrumentations, like PCI, PXI, USB, VXI and CAMAC.

Acquitek France – Data Acquisition Solutions

Ndigo5G Pulses recorder

The Ndigo5G-10 is a PCIe based flash-ADC with sample rates up to 5Gs/s and a resolution of 10 bits. With an onboard zero suppression and 800Mb/s PCIe interface it allows for high data throughput in applications where pulses or pulse trains are supposed to be recorded. Multiple boards can be used in sync to increase the number of channels.

Ndigo5G Pulses recorder

10 bits of sampling resolution. 4 channels with 1.25Gs/s, channel with 2.5Gs/s or 1 channel with 5Gs/s selectable. Bandwidth up to 3GHz 4 AC-coupled.

ADQ 214 two channel data acquisition card

The ADQ 214 is a two channel data acquisition card featuring two 14-bit, 400 MSPS AD-converters and a USB 2.0 interface.

Acquitek
1 bis rue Marcel Paul, 91300 Massy, France

VPC – Interface Connector products

Mass Interconnect Solutions for Automatic Test Equipment. Products Include InterConnect Systems for various Platforms. The Contacts, Modules & Tools. Even Solutions for ATE Systems like PXI/VXI/LXI and VDATS and also ARINC.

VPC – Interface Connector products

“Mass InterConnect systems act as the connector interface between test instruments and devices/units under test (D/UUT) in test applications.”

G40x - 48 Module Solution

G40x – 48 Module Solution

PXI Pull-Thru adapter enables removal of PXI card and PCB assembly as one unit. Allows PCB adapters or discrete-wiring to PXI card

Virginia Panel Corporation
1400 New Hope Rd Waynesboro, VA 22980, USA

Danbridge Electronics – Precision Test Equipment

They develop and manufacture test & measuring equipment for testing of passive electronic components. They offer high precision test equipment for production and quality assurance of capacitors and resistors.

Danbridge Electronics – Precision Test Equipment

Products include CLR Meters, DC Resistance Bridge, Megohmmeters, 3rd Hamonic Testers and Insulation testers.

CLR measurements – Danbridge

“The Danbridge suite of instruments for precise measurement of capacitive, inductive and resistance parameters includes stand-alone measurement bridges for laboratory use as well as automatic systems for rapid measurement of a large number of components in industrial environments.”

Danbridge Electronics - LCR

General test of capacitors, measurement of transformers and coils, test of passive components in “Pick and Place” machines by DB233z, test of cables, test of condenser microphones and resistance and inductance in winded power resistors.

(For new Engineers – Danbridge is amongst the Early T&M Pioneers like Genrad, Rohde & Schwarz and Marconi Instruments)

Danbridge Electronics
Herlev Hovedgade 195, 1.tv DK-2730 Herlev Denmark