Applied Measurement | AP9K Pressure Transducer
AP9K Pressure Transducer

The AP9K series is a rugged, high-performance industrial pressure transducer engineered for applications requiring reliability, precision, and durability. Built with monolithic construction and bonded foil strain gauges, it delivers outstanding stability even under harsh operating conditions, including pressure spikes, vibration, and shock.

This transducer offers a wide pressure sensing range from 0 to 10 psi up to 20,000 psi, making it ideal for demanding environments such as aerospace, automotive, hydraulic systems, steel mills, and deep-sea applications.

Key Features:

  • Fast Response Time
  • Versatile Output Options
  • High Accuracy Thermal Compensation
  • High Stability and Sensitivity
  • High Overload Protection
  • All Monolithic Construction

AP9K Pressure Transducer Applications

  • Hydraulic and Pneumatic Systems
  • Torpedo and Depth Sensing
  • Steel and Heavy Industrial Environments
  • Military and Commercial Aircraft Systems
  • Vehicle Brake System Monitoring

Product Specifications

Pressure Ranges Available 0 to 20,000 PSI (0.7 to 700 bar)
Pressure Reference Gauge, Sealed Gauge or Absolute
Pressure Limit < 5x full range pressure or 12,000 PSI, whichever is less
Burst Pressure > 10x full range pressure or 20,000 PSI, whichever is less
Response Time <2ms (typ.)
Wetted Material 17-4 PH
316L stainless steel
Inconel 718
Electrical Connection Monel K 500 1m Cable or Connector
Loop Supply 10-28Vdc range
Max Loop Resistance 800 Ohms at 24Vdc
Inverse Polarity Protected to 28V
Signal Output Range 16mA +- 1% (4 to 20 mA)
Long Term Stability <0.10% F.R.O / Annum
EMC MIL-STD-461

Temperature

Operating Temperature Range -54 to 120°C (-65 to 250°F)
Compensated Temperature Range 0 to 100°C (32 to 212°F)

Humidity

Plug Outlet/Cable Outlet 95% Relative Humidity

Cable Outlet

Acceleration Response < 0.02% F.R.O./g
Natural Frequency 40-60KHz pressure range dependant
Insulation Resistance 500 Mohm at 50Vdc

Mechanical

Shunt Calibration
Residual Unbalance 0.5% FSO at 70F typical (0.25% FSO for extra charge)
Process Connection 1/4 BSPP Male, 7/16-20 UNF Male, M14x1.5 Male
Combined Non-linearity Hysteresis 0.3% FSO (BFSL) typical (0.1% FSO for extra charge)
Combined Thermal and Zero Shift 1% FSO/100F typical (0.5% FSO/100F for extra charge)

AP9K Datasheet.pdf