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MicroCheck three- point temperature checker

These temperature checkers simulate three fixed temperatures, enabling users to check the accuracy of each instrument at three known points without the need for specialist equipment. Each MicroCheck is supplied with a one metre PVC type K thermocouple lead with miniature connectors and a three-point UKAS Certificate of Calibration.

on: 10/17/2021

Battery Operated Auto Ranging DVM

This application note describes a technique for auto-ranging a battery operated DVM suitable for panel meter applications. Also, circuit ideas will be presented for conductance and resistance measurement, 9V battery and 5V supply operations, and current measurement. The control signals necessary for auto-ranging are over-range, under-range, and clock. The over-range and under-range inputs control the direction of a scale shift, becoming active ....

on: 9/11/2019

Maintenance of Temperature Measurement Devices

It is important to understand the difference between accuracy and precision. Using the simple analogy of a game of darts, accuracy is consistently hitting the true mark, or bull’s-eye. Precision is consistency, but not necessarily accurate consistency.  This fact sheet provides information on the types, use, and calibration of temperature measuring devices.

on: 8/5/2019

RF and Microwave Measurements

Microwave networks are harder to analyze than their lower-frequency counterparts. The reason is that the size of a typical microwave circuit is comparable the wavelength, so phase variation along a portion of the circuit cannot be ignored as is the case at lower frequencies. 

on: 7/28/2019

DMM with the ICL7103A and ICL8052A

The purpose of this application note is to describe the operation and potential pitfalls of a 10V resolution (VREF = 100mV) 4 1/2 digit autoranging scheme using the ICL7103A/ICL8052A pair. Two auto-ranging circuits are included within the text.

on: 7/23/2019

Dual DC Power Supply - 1747 - B&K Precision

The B&K Precision model 1747 is a general purpose dual range DC power source. This power supply has two ranges and can output higher voltage at a lower current range or higher current at a lower voltage range

on: 7/18/2019

EE Product News

Industrial Electronics and Instruments Materials, Parts, Kits, Components, Vendor Development. Components and Engineering Materials Industrial and Scientific; Instruments and Equipment. Electronic Parts, Engineering Materials and Chemicals. It will focus on those parts that go into the PCB and also the Cabinet or Box. RLC, Electromechanicals.

on: 1/15/2019