Hydraulic Pressure Sensors

Hydraulic pressure sensors, often known as transducers, convert pressure measurements into an analog electrical output signal.

How do hydraulic pressure sensors work?

Just like other transducers, hydraulic pressure sensors require a source of electrical input in order to work successfully. The transducer input voltage can vary but is typically under 10 volts, while the output is usually in the hundreds of thousandths of volts. A change in the system's pressure causes a change in the transducer's resistance on the electrical circuit used and then results in a change to the output voltage. A hydraulic pressure sensor's output signal can be used in systems that need digital signals to work with the simple addition of an analog to digital converter (ADC).

Types of hydraulic pressure sensors

Stain gauge

Stain gauge transducers use the mechanical deformation under pressure of strain-sensitive variable resistors, which may be integrated into measurement circuits.

Thick/thin transducer

In a thick/thin film transducer, a titanium nitride film is applied to the sensor equipment to expose the circuit with piezoelectric (an electric voltage) sensitivity to pressure.


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Description Price Input Connection Thread Output Connection Type Output Signal Maximum Pressure Minimum Pressure Minimum Operating Temperature Maximum Operating Temperature Input Connection Thread Standard Input Connection Thread Size
RS Stock No. 880-2292
BrandRS PRO
SGD173.12
Each
units
BSP 1/4 M2 (Din Plug) - 100bar 10bar -25°C +85°C - 1/4"
RS Stock No. 880-2295
BrandRS PRO
SGD173.12
Each
units
BSP 1/4 M2 (Din Plug) - 200bar 20bar -25°C +85°C - 1/4"
RS Stock No. 880-2283
BrandRS PRO
SGD173.12
Each
units
BSP 1/4 M2 (Din Plug) - 50bar 5bar -25°C +85°C - 1/4"
RS Stock No. 725-5935
Mfr. Part No.12719049
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 1bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5954
Mfr. Part No.12719383
BrandWIKA
SGD218.89
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 100bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5960
Mfr. Part No.12719341
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 400bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5963
Mfr. Part No.12719367
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 600bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5948
Mfr. Part No.12719260
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 10bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5941
Mfr. Part No.12719308
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 25bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5939
Mfr. Part No.12719251
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 4bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5957
Mfr. Part No.12719375
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 160bar 0bar -30°C +80°C G 1/4in
RS Stock No. 725-5951
Mfr. Part No.12719332
BrandWIKA
SGD205.74
Each
units
G 1/4 4-Pin L-Plug 4 → 20mA 250bar 0bar -30°C +80°C G 1/4in
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