PORTABLE VACUUM CUM PRESSURE CALIBRATOR  
 
These are high accuracy Pressure Calibrators which come with ease of use & easy portability. Portable Digital Indicator with 4 digit Backlit L.C.D. for accurate pressure measurement from 0.00 to 7.00 Bar or 0.0 to 100.0 PSI/ 0.000 to 2.000 PSI or 0.0 to 137.9 mBar. The model 82100 (100.0 PSI) has unit selection between 11 standard measurement units & the model 8252 has unit selection between 5 Selectable units. Suitable for pressure measurement & generation with provision to measure vacuum, differential pressure & gauge pressure.
The instrument comes with 2 ports for measuring Differential Pressure, gauge pressure (using only one port & leaving the other port open to atmosphere) & vacuum. The measuring instrument runs on 9 Volts D.C. & has an optional RS232 Computer Connectivity Port for Software Analysis of results along with suitable software (At an extra price).
The pressure pump is a screw type hand pump with coarse & fine pressure setting for accurate setting & control of pressure generated. For calibrating pressure or vacuum instruments, one pressure port is connected to the instrument under calibration & the other pressure port is connected to the Master Manometer provided along with.
SPECIFICATIONS :
Pressure Measuring Range
Model 82100 : 0.00 to 7.00 Bar / 0.0 to 100.0 PSI
Model 8252 : 0.000 to 2.000 PSI / 0.0 to 137.9 mBar
    (Suited for Low Pressure Including Differential Pressure Calibration with mm W.C. unit in selection)
Vacuum Measuring Range : 0.0 to -1.00 Bar/0.0 to -14.5 PSI (Model 82100 only)
Pressure Ports : 2 Nos. Hose Nipple Connections for +ve & -ve Pressure
Resolution : 0.004 BAR or 0.1 PSI (Model 82100) 0.004 PSI or 0.1 mBar (Model 8252)
Unit Selection : 11 Units of measurement selectable from front Keys between bar, mm Hg., oz/in2, kg/cm2, psi, in W.C., kPa, Ft. W.C., in Hg, cm. W.C., mBar (Model 82100) 5 Units of measurement selectable from front Keys
    between In W.C., PSI, mBar, bar, mm W.C.(Model 8252)
Accuracy : Better than +/- 0.3% F.S.  
Display : 4 ½ Digit Backlit Dot Matrix Display  
Power : 9 V.D.C. Battery  
Instrument Housing : ABS Plastic  
Sensor : Built in Imported Pressure Sensor For Air or Gas Application  
Sensor Operating Temperature : -50 Deg. C to +85 Deg. C  
Sensor Working Medium : Air or Any Gas  
Durability of Sensor : 106 Cycles 0 to Full Scale  
Longterm Stability of Sensor : 0.1% of FS, typical  
 
   
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