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Pressure Instruments

8450 Pressure Transmitter

Signet 8250-2
Signet 8250-3

8450 Data Sheet
8450-1 Manual
8450-2 Manual
8450-3 Manual

The Signet 8450 Pressure Transmitter is a unique instrument that converts the signal from the Signet 2450 pressure sensor into a 4 to 20 mA signal for long distance transmission. State-of-the-art electronic design offers a single-point calibration. Configuration flexibility is maximized with optional relays for process control and alarming. Chemical resistant NEMA 4X/IP65 packaging options include highly visible field mount or black panel with standard 1/4 DIN cutout. Dual input version allows difference calculation (ΔP) and offers cost savings with independent dual outputs.


  • S3L input
  • psi, Bar, or kPa display
  • Integral or remote mounting
  • Single point calibration
  • Dual input/output option
  • Output simulation function for complete system testing
  • Relay option
  • Output scalability
  • NEMA 4X/IP65
  • Splashproof enclosure
  • 2 x 16 character dot matrix LCD
  • Chemical resistant enclosure and self-healing window
  • Large pushbuttons


  • Pump, filter or pipe protection
  • Pressure regulation/monitoring
  • Over or under pressure alarm
  • Pump servicing
  • HVAC systems
  • Chemical processing
  • Scrubbers
  • Marine
  • Water management
  • Irrigation systems
  • Waste water

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Updated on April 3rd 2019

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