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Flow Dynamics - Model PDLC 60 -Positive Displacement Liquid Calibrator
The Positive Displacement Liquid Calibrator (PDLC 60) provides calibration for multiple meters 1` or smaller. The PDLC series calibrators all have automatic temperature control comprising of a fluid heater plus connections for a chilled water flow loop. The primary measuring tube has ample length to facility multiple data points in a single stroke. All PDLC calibrators have a test section pan to trap fluid drainage during meter changes and a pump with filters to return the fluid back to the reservoir. Close coupled valves in the test section reduce the amount of fluid spillage.
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- The precision cylinder on the PDLC ensures ample volume to capture stable data at max flow rate
- Has isolation valves in the test section, which reduce the amount of fluid loss when meters are installed or removed
- An internal pump is provided to simplify filling and draining the calibrator
- The system automatically cycles the fluid for mixing of fluids
- Has separate temperature sensors for the cylinder and test section to correct for changes in volume as recommended by NIST
- Have long test sections that can accommodate two turbine flowmeters with flow straighteners in tandem. This is the recommended set-up for a NIST roundrobin calibration check
- Comes standard with frequency, voltage and current inputs
- Has three rate-control valves for course, medium and fine flow rate control
- Provides a filtered pump to return fluid from the test section pan to the reservoir
- Provides automatic temperature control using a fluid heater plus connections for a chilled water flow loop
- The run and return valves are activated automatically by software commands
- Size : Up to 1 in.
- Temperature Range : 40…140 °F
- Flow Range : 0.001…10 gpm
- Pressure Range : Up to 120 PSI
- Accuracy : ±0.05 %
- Application Examples : Flow Calibrations on Various Flowmeters
- Industries : Test & Measurement