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Volume Controllers & Hand Pumps
Digital Pressure Indicators
Analog & Digital Pressure Transducers

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Heise® Models 901A and 901B Digital Pressure Indicators


The models 901A and 901B digital pressure indicators offer unique features including ranges to 20,000 PSI, LED display, remote sensor and analog output options. Other available features include engineering unit select, mix/max recall, Hi/Lo set point, tare and digital outputs. With full span accuracies of ±0.07% (901A) and ±0.035% (901B), the 901 provides precise, reliable pressure measurement combined with a customized set of optional features.

Standard Features
  • LED display
  • Accuracies: ±0.07% and ±0.035% F.S.
  • Broad media compatibility: any liquid or gas compatible with 316 SS and 718 Inconel
  • Ranges: 0-50 in.H2O through 0-20,000 psi
  • Gauge, vacuum, compound, absolute and barometric
  • Welded sensor construction
  • Rugged ABS housing
  • NIST traceable certificate of calibration
Optional Features
  • 4-20 mA, 0-5 Vdc or 0-10 Vdc analog output
  • RS-232 or BCD digital output
  • Remote sensor (up to 20 feet)
  • Min/Max recall
  • Engineering unit select
  • Tare
  • Hi/Lo set point
  • Display hold
  • 20°F to 120°F temperature compensation (standard is 45°F to 95°F)
  • 9/16-18 UNF-2B female connection (for 1/4" O.D. high pressure tubing) (standard above 5,000 psi)
  • Handle with Potentiometer Adjusting Tool
  • Panel mounting brackets

Product Information
Installation & Maintenance Information


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Do you need product information or technical assistance? Call 203-385-0303 or email us at heise@ashcroft.com

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Need process, industrial or commercial grade pressure instrumentation?

www.ashcroft.com to view our full line of Ashcroft® pressure gauges, transducers, switches, digital indicators, isolation devices and more.

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