DifferentialGauge & Differential Manometer
Portable and Self Contained Digital Pressure Manometer
The PS309 is a portable, completely self-contained digital pressure manometer, available in absolute, gauge and differential ranges. In addition to the front panel liquid crystal digital display, the unit also provides a 2 Vdc analog output suitable or recording, remote display or control purposes.
Featured are an integral variable reluctance transducer, solid state electronics module, 3½ digit liquid crystal display (LCD)* and battery pack with six 1.5V penlight cells for truly portable operation. The units can also be powered from an external DC power supply or AC battery eliminator (converter) module.
The transducer features all corrosion resistant materials in contact with the pressure madia (both ports in differental units), very low internal cavity volumes and ultra-low volumetric displacement with full-scale pressure excursion. Transducer calibration is unaffected by dielectric properties of the sensed fluid. Gauge and differential transducers may be disassembled and range changed by simple diaphragm replacement.
Individual meter scaling adjustments are provided for both single and dual operating modes which permit display of output in any popular engineering or scientific pressure and flow units. Decimal points are user-programmable by easy internal ajustment.
Optional features include switch-selected dual operating modes – “Pressure” (output linear with applied pressure), and “Flow” (output proportional to square root of D P), each with a separate 2 Vdc analog output and individual display scaling adjustments; twowire, 4-20 mA current output configurations with single and dual operating modes; AC-powered battery eliminator power source; and, universal mounting brackets for anel mounting – either front or rear mount – or, top or bottom shelf-mounting arrangements.
- General Specifications
|Pressure Ranges||full-scale pressure from 0-0.08 psi to 0-3200 psi,|
|Pressure Ranges||absolute or gauge; ±0.08 psid to ±3200 psid, differential|
|Accuracy||+/- 0.25% FS, including linearity, hysteresis and repeatability. +/-0.5% for absolute version|
|Line Pressure||3200 psig max., with zero shift less than 1% FS/1000 psi|
|Pressure Media||Any fluid compatible with Type 410 stainless steel and inconel|
|Pressure Cavity Volume||4 X 10-3 cu in, symmetrical in differential units|
|Volumetric Displacement:||3 X 10-4 cu in FS|
|Operating Temperature||0 to 160F|
|Temperature error||< 0.02% FS / F|
|Weight||35 ounces including batteries|
|Analog Outputs||Single, linear voltage output for Output Options 1 and 2;|
|Analog Outputs||linear and square root voltage outputs for Option 3;|
|Analog Outputs||single, linear 4-20mA output for Options 4 and 5;|
|Analog Outputs||single linear or square root 4-20mA output (switch-selectable) for Option 6.|