PT420A Series
The PT420A Series transducer is a +/- 0.25% sensor ideal for melt pressure applications requiring high accuracy, simple installation, repeatability and reliability.
PERFORMANCE CHARACTERISTICS:
- Output: 3.33 mV/V +/- 2.0%
- Input Voltage: 10 Vdc recommended, 12 Vdc maximum
- Combined Error: +/- 0.25% FSO, (Including Linearity, Repeatability & Hysteresis) +/- 0.5% FSO for 500, 750, 1,000 psi ranges
- Repeatability: +/- 0.1%FSO, +/- 0.2% FSO for 500, 750, 1,000 psi ranges
- Configuration: Four-arm bonded foil Wheatstone bridge strain gage
- Bridge Resistance: Input: 345 Ohms minimum, Output: 350 Ohms +/- 10%
- Over Pressure: 2 X FSO or 35,000 psi whichever is less
- Zero Balance: +/- 5% FSO
- Internal Shunt Calibration (R-Cal): 80% FSO +/- 0.5%
- Insulation Resistance: 1000 megohms @ 50 Vdc
TEMPERATURE & MECHANICAL CHARACTERISTICS
- Max Diaphragm Temperature: 750oF (400oC)
- Zero Shift (due to temperature change): 15 psi/100oF Typical (27 psi/100oC)
- Electronics Operating Temperature: 250oF (121oC)
- Zero Shift Due to Temperature Change: +/- 0.01% FS/oF max (+/- 0.02% FS/oC max)
- Sensitivity Shift Due to Temperature Change: +/- 0.005% FS/oF max (+/- 0.01% FS/oC max)
- Mounting Torque: 500 inch/lbs. maximum
- Standard Wetted Parts: Dymax® coated 15-5 PH SST
Download – Data Sheet