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0.25% Accuracy Benchtop Pressure Standard

Portable Benchtop Pressure Standard
0-15 to 0-6,000 PSI
NIST Traceable
Display Hold, for Testing Pressure Switches
Adjustable High Resolution
Min/Max Standard
Adjustable Filtering
Front Panel Tare


The INFPS series has been discontinued. Please consult sales to inquire about remaining inventory or get advice on possible alternatives.

The INFPS Series pressure standard incorporates features found in high-end standards into an affordable, portable benchtop unit. The microprocessor-based controller allows the user to adjust display filtering for the particular application. The front panel tare allows zeroing of the display with a single pushbutton.
Testing pressure switches is done by utilizing the display hold capabilities of the microprocessor. An external connection is completed when the pressure switch under test changes state. The switch freezes the display, which shows the true actuating pressure.

The microprocessor allows adjusting of the unit for increased or decreased resolution. All options associated with the INFS panel meter are available on this benchtop unit. Combining the INFPS with its unique options can turn the unit into a sophisticated data collection system. Scalable analog outputs, RS232 or RS485 communications and mechanical relays are all available options with the INFPS.
			available from NEWPORT<sup>®</sup>
available from NEWPORT®

Accuracy: 0.25% FS (linearity, hysteresis and repeatability)
Operating Temp.: 0 to 50°C (32 to 122°F)
Media Temp.: -20 to 80°C (-4 to 176°F)
Temp. Effects: .004% FS/°C
Proof Press.: 150% FS
Output: 4 open collectors 150 mA sink @ 1 Vdc max; optional 2 SPDT relays 7 amp @ 230 Vac; deadband fully adjustable
Warmup to Rated Accuracy: 5 min.
A/D Conversion: Dual slope technique
Display: 6-digit, 14-segment LED, red or green; 14.2 mm H (0.56"); indicator lights for alarms and status modes
RS232 Communications Option: 300/1200/2400/4800/9600/19.2k baud; RJ11 4-wire connection; complete program setup and message display capability; programmable to transmit current display, alarm status, min/max, actual measured input value (not scaled) and status
RS485 Communications Option: 300/1200/2400/4800/9600/19.2k baud; RJ11 6-wire connection; addressable from 0 to 199
Analog Output Option: Selectable 0-5 Vdc, 1-5 Vdc, 0-10 Vdc, 0-20 mA 4-20 mA; voltages @ 20 mA, current @ 12 Vdc
Read Rate: 3/second (adjustable to 13/second)
Power: 120 Vac @ 10 watts
Size: 109 H x 259 W x 254 mm D (4.3 H x 10.2 W x 10" D)
Weight: 3.6 kg (5 lb)
All dollar amounts on this site are shown in US currency.

Keywords: 0.25% Accuracy Benchtop Pressure Standard, front panel tare,

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