HPC41 highlights 0.035% of Reading Accuracy 100 psi Advanced Simplicity Non-Menu Interface Measure & Source mA with External Loop Power or Internal 24 VDC Power Supply High Accuracy Thermometer with True Ohm Technology Store & Recall Previously Used Screens Flexible Power Options Including Rechargeable > T-970 Pump Highlights 0-580 PSI Precision Vernier built into the handle for fine adjustment Controlled bleed valve for precise pressure reduction and hysteresis tests Hand pump with reference and test connections Open vent to release pressure Swivel connection for reference gauge > Each Unit Includes HPC41 Calibrator T-970 pump MPF-1/4FPT MPF-1/4BSPF MPH-1: 1 Meter CPF Hose Custom Carrying Case Bonded Seals O-ring Kit Teflon Tape Reference Gauge Fittings