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Oil Filled Waterproof Pressure Transducer
Introduction
waterproof pressure transducer is an isolated oil - filled pressure sensor core with high performance, low cost and small volume. It uses MEMS Silicon chip. Manufacturing of each sensor is a process with strict aging, screening and testing to ensure the excellent quality and high reliability.
This product has high anti-overload capacity and wide temperature range, it is widely used in automobiles, loading machinery, pumps, air conditioning and other occasions where have high requirements on small size and cost-effective.
Feature
Ø Measuring range: -100kPa…0kPa~10kPa…100MPa
Ø Wide temperature compensation: -10℃~+80℃
Ø Imported chip, Laser trimming
Ø SS 316L φ19mm*11.5mm
Application
Ø Pressure measurement of automobile engine oil
Ø Engineering machinery, water pumps, equipment
Ø Industrial process control
Ø Urban water supply system
Outline Construction:(Unit: mm)
Specification
Construction Condition | |
Diaphragm material | SS 316L |
Housing material | SS 316L |
Pin Wire | Kovar/100mm silicone rubber wire |
Back pressure tube | SS 316L (gauge and negative pressure only) |
Seal ring | Nitrile rubber |
Electrical Condition | |
Power supply | ≤2.0mA DC |
Impedance input | 3kΩ~6kΩ |
Impedance output | 3kΩ~6kΩ |
Response | (10%~90%):<1ms |
Insulation resistance | 100MΩ,100V DC |
Overpressure | 2 times 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 | 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 |
Parameter
Item | Min. | Typ. | Max. | Units |
Linearity
|
| ±0.1 | ±0.2 | %FS,BFSL |
Repeatability |
| ±0.05 | ±0.075 | %FS |
Hysteresis |
| ±0.05 | ±0.075 | %FS |
Zero output |
|
| ±2.0 | mV DC |
FS output | 45 | 130 |
| mV DC |
Compensated temp. range | -10~80 | ℃ | ||
Working temp. range | -40~125 | ℃ | ||
Storage temp. range | -55~150 | ℃ | ||
Zero temp. error |
| ±0.75 | ±0.1 | %FS, @25℃ |
Full temp. error |
| ±0.75 | ±0.1 | %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 | ||||
