The UPS-II loop calibrator is an advanced handheld process calibrator tool. It 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.
Features
- Sources and reads milliamps
- Powers and reads 2-wire transmitters
- Reads and simulates DP transmitters in % of flow
- Auto-ramp cycling for endurance tests
- Auto-stepping for hands-free calibration
- Fixed calibration currents
- Fixed currents for valve stroking
Speciffication
| Output Range | 0 to 21.00 mA |
|---|---|
| Input Range | 0 to 21.00 mA |
| Accuracy | 0.05% of range |
| Resolution | 10 microamps |
| Temperature Effect | 0.0015% /°F (0.003% /°C) |
| Internal Loop-Power | 24 VDC stabilized |
| External Loop-Power | 56 VDC maximum |
| Measurement Input | 12 O including fuse |
| Drive Capability | 900 O |
| Operating Temperature | 15°F to 120°F (-10°C to 50°C) |
| Battery Life | Sources 12 mA: 13 hours Measures: 64 hours |
| Batteries | 4x 1.5V AA Batteries |
| Loop Mismatch | Flashes "loop" |
| Low Battery | Flashes "lobat" |
| Over range | Flashes "EEEE" |
| Reversed Polarity | Flashes "pol" |
| Housing | High impact ABS |
| Size | 3 in x 5 in x 0.83 in (77 mm x 124 mm x 21 mm) |
| Weight | 9 oz (285 g) including batteries |
| Fixed Steps | The calibrator can source or simulate fixed calibration currents to test or calibrate receivers and to stroke valves. Different current levels are available from the menu.
4 to 20 mA linear 4, 8, 12, 16, 20 mA Output currents can be changed manually or automatically. The time between steps is 10 seconds in the auto-stepping mode. |
| Ramping | The calibrator can source or simulate with high resolution a continuous up/down cycle between 4 and 20 mA or 0 and 20 mA. The travel time between limits is 60 seconds. |
| Reading in Percentage | The calibrator can display readings in percentage of a 4 to 20 mA or 0 to 20 mA span and can also read or simulate dP-transmitters directly in percentage of flow. |
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