SMP3001 Piezo-resistive welded pressure sensor
Overview
SMP3001 Piezo-resistive pressure sensor is a sensor encapsulating the isolation film sensor core in the stainless steel shell, with SS 316L diaphragm and stainless steel shell and interface. This sensor has good media compatibility, reliable and stable performance, with M20 * 1.5 external thread. Electrical interface is four core dedicated aerospace connection.The product can be applied to a variety of fluid medium pressure measurement and other fields.
Features
Range: 0kPa~20kPa┅100MPa
Laser trim zero and wide temperature compensation
Standard thread pressure measurement
Constant current source power supply
Application
Industrial process control
Gas, liquid and vapor pressure testing
Automotive electronics, shipbuilding
Outline structure:(Unit: mm)
Specification:
Construction condition | |
Diaphragm material | SS 316L |
Housing material | stainless steel |
Seal ring | Nitrile rubber |
Electrical Condition | |
Power supply | ≤2.0mADC |
Impedance input | 2.5kΩ~5kΩ |
Impedance output | 2.5kΩ~5kΩ |
Response | (10%~90%):<1ms |
Insulation resistance | 100MΩ,100VDC |
Overpressure | 2times FS, ( 0C/0B/0A/02 5times FS) |
Environmental Condition | |
Media applicability | Fluid which has no corrosion on stainless steel and nitrile rubber |
Shock | No change at 10gRMS,(20~2000)Hz |
Impact | 100g,11ms |
Position effects | Deviate 90° from any direction, zero change≤±0.05%FS |
Basic Condition | |
Environment temperature | (25+/-1)℃ |
Humidity | (50%±10%)RH |
Atmospheric pressure | (86~106) kPa |
Power supply | (1.5+/-0.0015)mA DC |
All tests are in accordance with relevant national standards, including GB / T2423-2008, GB / T8170-2008, GJB150.17A-2009, etc., and also comply with the Company's "Pressure Sensor Enterprise Standards" provisions of the relevant content. |
Item | Min. | Typ. | Max. | Units |
Linearity
| ±0.2 | ±0.25 | %FS,BFSL | |
Repeatability | ±0.05 | ±0.075 | %FS | |
Hysteresis | ±0.05 | ±0.075 | %FS | |
Zero output | ±2.0 | mV DC | ||
FS output | 45 | 100 | mV DC | |
Compensated temp. range | 0~70 | ℃ | ||
Working temp. range | -40~125 | ℃ | ||
Storage temp. range | -55~150 | ℃ | ||
Zero temp. error | ±0.75 | ±1.0 | %FS,@ 25℃ | |
Full temp. error | ±0.75 | ±1.0 | %FS,@ 25℃ | |
Long term stability error | ±0.2 | %FS/year | ||
Note:1. The above performance indicators are tested under the benchmark conditions 2. The temperature range for temperature drift test is the compensation temperature range |