The Druck UPS II Loop Calibrator is an advanced hand held process calibration tool. The UPS-II can power (24 VDC) and read 2-wire transmitters to perform field calibrations. Output currents are adjustable to a resolution of 10 microamps in both source and transmitter simulation modes.
The calibrator can source or stimulate fixed calibration currents to test or calibrate receivers and to stroke valves. Different current levels are available from the menu.
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4-20mA Linear
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4 - 8 - 12 - 16 - 20mA |
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0-20mA Linear
|
0 - 5 - 10 - 15 - 20mA |
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4-20mA sq.rt (Flow)
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4 - 5 - 8 - 13 - 20mA |
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0-20mA sq.rt (Flow)
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0 - 1.25 - 5 - 11.25 - 20mA |
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4-20mA
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3.8 - 4 - 4.2 - 12 - 19 - 20 - 21mA |
Output currents can be changed manually or automatically. The time between steps is 10 seconds in the auto-stepping mode. In the valve mode, auto-stepping will be:
Ramping:
The calibrator can source or simulate with high resolution a continuous up/down
cycle between 4 and 20mA or 0 and 20mA. The travel time between limits is 60
seconds.
Reading in Percentage:
The calibrator can display readings in percentage of a 4-20mA or 0-20mA span
and can also read or simulate dP-transmitters directly in percentage of flow.