Dwyer test equipment

April 2010 Maintenance, Test & Measurement, Calibration

Within the diverse range of products manufactured by Dwyer is a section dedicated to the field testing and calibration of process instruments.

Current/voltage signal generator used to calibrate panel meters

The model CSG digital signal generator is perfect for generating or simulating input signals to panel meters and process controllers. The signal generator is capable of sourcing up to 10 VDC or 20 mA in 1 VDC or mA steps. The backlit digital display allows users to quickly compare the reading on the model CSG to that of the panel meter or process controller. The signal from the model SCG can be used to set up the upper or lower limits of the process range. It can also be used to ensure that the set point and alarm functions are working properly on the panel meter or process controller.

Field calibrate pressure gauges

Using the series PHP-1 with a DPG-100 a technician can calibrate pressure gauges with up to 1% accuracy. The PHP-1 hand pump supplies pressure by squeezing the handle and adjusting the volume control valve. The pump has two connections, one to be connected to a test gauge such as the Dwyer model DPG-100, and the other to a pressure gauge such as the SGL series.

For more information contact Meter Systems, +27 (0)11 451 7000, [email protected], www.dwyer-inst.com

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