Products

Charge Output Pressure Sensor

Model 176M47

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Charge output pressure sensor with UHT-12™ sensing crystal, 500 psi dynamic, 17 pC/psi, +1000 F, ATEX-CSA approved

Replaces Legacy Models Endevco 522M17-120, Endevco 522M17-240

Additional configurations:

Specification Notes

[1] Zero-based, least-squares, straight line method.
[2] Low frequency response is determined by external signal conditioning electronics.
[3] Upper frequency response is calculated from Resonant Frequency.
[4] Typical.
[5] Maximum.
[4] Typical.
[6] See PCB Declaration of Conformance PS058 for details.

	English:	SI:
Performance
Sensitivity (±20 %)	15 pC/psi	217.5 pC/bar
Sensitivity (±20 %)	15 pC/psi	217.5 pC/bar
Measurement Range	500 psi	34.47 bar
Maximum Pressure (Total)	2.5 kpsi	172.4 bar
Resonant Frequency	≥50 kHz	≥50 kHz
Transverse Resonance	≥5 kHz	≥5 kHz
Frequency Response	10 kHz	10 kHz	[2] [3]
Non-Linearity	≤1 % FS	≤1 % FS	[1]
Environmental
Acceleration Sensitivity	0.01 psi/g	.00069 bar/g	[5]
Acceleration Sensitivity	.003 psi/g	.00021 bar/g	[4]
Temperature Range (Continuous)	-70 to 1200 °F	-57 to 650 °C
Temperature Range (Receptacle)	-76 to 500 °F	-60 to 260 °C
Temperature Response	See Graph %/°F	See Graph %/°F	[4]
Hazardous Area Approval	See Manual	See Manual
Radiation Exposure Limit (Integrated Neutron Flux)	1 E10 N/cm²	1 E10 N/cm²
Radiation Exposure Limit (Integrated Gamma Flux)	1 E8 rad	1 E8 rad
Electrical
Output Polarity (Positive Pressure)	Positive	Positive
Capacitance (with cable)	850 pF	850 pF	[4]
Insulation Resistance (Room Temp)	≥1000000000000 Ohm	≥1000000000000 Ohm
Ground Isolation (Room Temp)	≥1000000000000 Ohm	≥1000000000000 Ohm
Insulation Resistance (1200°F / 650°C)	≤50 kohm	≤50 kohm
Ground Isolation (1200°F / 650 °C)	≥100 kohm	≥100 kohm
Physical
Sensing Element	UHT-12™	UHT-12™
Sensing Geometry	Compression	Compression
Housing Material	Nickel Alloy	Nickel Alloy
Sealing	Welded Hermetic	Welded Hermetic
Electrical Connector	10-32 Coaxial Jack	10-32 Coaxial Jack
Electrical Connector	Integral Cable	Integral Cable
Cable Type	Hardline	Hardline
Weight	4.3 oz	122 gm