PPC500 Pressure Calibrator 

-High Accuracy with long ranges

-Model 1 covers .00004 "wg - 80.000 "wg

-Model 1 covers .0004 "wg - 80.000 "wg

-Robust, Portable and self contained

-On-site or test bench use

Pressure output

The PCC500 is independent of external presusre sources. In incorporates a static dual piston pump, matched to the FSD o f the particular model, which gives coarse and fine control to generate the calibration pressure. However, if the device to be calibrate d is connected to a live pressure source, the calibrator connections may simply be coupled in to the existing impulse lines.

LDC Display

The LCD screen is designed to be readable in all lighting conditions. It incorporates a timed backlight, variable from 1 to 60 minutes, for use in poorly lit surroundings such as may be encountered in site use. Bright sunlight, which makes LED meters unreadab le, produces a clear, high contrast display.

Application

Since the PCC500 provides the calibration pressure, readout of the pressure and readout of the signal from the test ins trument, it can be used for calibrating any transducer, transmitter or micromanometer within its pressure range. Simultaneous display of c alibration pressure and instrument readout, together with variable up-date time on the display, effectively averaging the readings over this time, makes instrument adjustment and recording of results supremely easy.

Other uses

The instrument may also be used as a long range, high accuracy micromanometer. It has the advantages of a high static p ressure rating, 10bar, and also, for fluctuating pressure readings, the variable up-date time which gives true average readings.

Accuracy

The PCC500 is calibrated against Furness Controls’ FRS4 Primary Pressure Standards. These give 0.01% uncertainty with a n ultimate resolution at 0.01 Pa. During calibration, any slight non-linearities are corrected, with the results retained in the m emory. This results in an overall accuracy of 0.01% of reading being retained from FSD down to 1% of scale and generally is better than 0.01% FSD below this. These figures are true at 20°C.
Once calibrated, a simple check at Full Scale against a master gives full accuracy at all readings.