In-Situ Inc.
221 E Lincoln Ave.
Ft. Collins, CO 80524
970-498-1500
4-20mA Transducers


For measuring pressure/water level, the In-Situ® PXD-261 pressure transducer combines the benefits of durability, accuracy, compactness, and convenience.

  • Durable: all stainless steel construction; 2X overpressure rating
  • Accurate: 0.05% of full scale. Calibrated to NIST standards
  • Compact: 0.86 inch (22 mm) diameter, 8.5 inches (216 mm) long. Easily fits down a 1" well
  • Convenient: No field calibration required. Quick-Connect cable up to 4,500 feet without loss of accuracy. Absolute or gauged pressure measurement. 7 pressure ranges
Brochure
Specifications
Key Features
  • Excellent thermal stability and overpressure rating
  • Quick-Connect cable system
  • 316 stainless steel construction
  • Detailed calibration documentation included
  • 4-20 mA output
  • Available in seven pressure ranges from 10 PSIA/PSIG (23 ft, 7 m) to 250 PSIA/PSIG (577 ft, 176 m)
  • Cable for PSIG models is vented to the atmosphere to compensate for fluctuations in barometric pressure; cable for PSIA transducers is non-vented
  • 1/4" NPT threads for piping installations
  • Full one-year warranty

Applications

  • High pressure piping monitoring
  • Industrial and municipal monitoring
  • Aquifer characterization
  • Regulatory monitoring
  • Packer installations
  • Surge tank monitoring
  • Marine and reservoir monitoring
Operating principle Stainless-encased integrated silicon strain gauge bridge
Wetted materials 316L stainless steel, Viton®
Dimensions 8.5 inches (21.6 cm) long
0.86 inches (2.2 cm) diameter
Weight 1 lb. (0.45 kg)
Signal current 4-20 mA
Min. warmup time 50 milliseconds
Ranges 15 PSI (35 ft. water, 11 m.)
20 PSI (46 ft. water, 14 m.)
30 PSI (69 ft. water, 21 m.)
50 PSI (115 ft. water, 35 m.)
100 PSI (231 ft. water, 70 m.)
250 PSI (577 ft. water, 176 m.)
Accuracy +/- 0.05% full scale at 15C (59F)
Pressure rating 2X full scale
Operating temperature 5 to 30C (41 to 86F)
Quick-Connect cable Yes