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PRODUCTS:
PRESSURE SENSORS
Pressure sensors are defined as electro-mechanical devices that detect the pressure of a gas or a liquid and transform the movement of an element or diaphragm incorporated in the sensor into an electric current or voltage which is output from the device. Pressure sensors distributed by Bristol Instruments are made in dozens of different configurations to measure the widest range of pressures. Our sensors include models specifically for heavy duty industrial, high accuracy and sanitary sensors for food, beverage and pharmaceutical applications.
SD-25 Series
Pressure sensors with internal diaphragm and ceramic element
The SD-25 Series includes several models. They feature long-term stability and temperature compensation. Hydraulic and pneumatic applications include use in all gaseous and liquid media that do not attack the measuring system, crystallize or have high viscosity. They have an internal diaphragm.
| Model | SD-25 | SD-26 | SD-27 | SD-28 |
|---|---|---|---|---|
| Accuracy (of full scale) | ± 1.0% | ± 1.0% | ± 0.5% | ± 0.5% |
| Fitting | ½" NPT | ¼" NPT | ½" NPT | ¼" NPT |
| Ranges (psi) | 0 to: 25, 35, 50, 100, 150, 200, 350, 600, 1,000, 1,500, 2,000, 3,500, 5,000, 6,000 -15 to +10, -15 to +15, -15 to +50, -15 to +75, -75 to +130, -15 to +200, -15 to +300 |
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| Repeatability | < ±0.05% full scale | |||
| Stability | < ±0.2% of full scale | |||
| Output options | 0 to 20 mA, 4 to 20 mA, 0 to 5 VDC, 0 to 10 VDC | |||
| Power | 10 to 36 VDC (12 to 36 VDC for 0 to 10 V output) | |||
Data Sheet
SD-30 Series
Heavy duty industrial pressure sensors
The SD-30 Series are heavy duty industrial sensors. They feature high overload protection and stainless steel construction provides corrosion resistance. They are also highly resistant to shock and vibration. They have an internal diaphragm.
| Model | SD-30 | SD-32 | |||
|---|---|---|---|---|---|
| Accuracy (of full scale) |
± 0.5% | ± 0.25% | |||
| Fitting | G ½ B | G ¼ B | G ½ B | G ¼ B | |
| Ranges (psi) | 0 to: 1.5, 2.5, 3.5, 5, 15, 20, 35, 60, 100, 150, 200, 350, 500, 600, 1,000, 1,500, 2,000, 3,500, 5,000, 6, 000, 8,500, 10,000, 15,000, 20,000, 35,000, 58,000 -10 to 0, -15 to 0, -15 to +10, -15 to +20, -15 to +40, -15 to +75, -15 to +100, -15 to +200, -15 to +300, -15 to +345 |
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| Repeatability | < ±0.03% full scale | ||||
| Stability | < ±0.2% of full scale | ||||
| Output options | 0 to 20 mA, 4 to 20 mA, 0 to 5 VDC, 0 to 10 VDC | ||||
| Power | 10 to 30 VDC (14 to 30 VDC for 0 to 10 V output) | ||||
Data Sheet
SD-36 Series
High precision pressure sensors
The SD-36 Series are designed for applications that require high accuracy. They feature high overload protection and very good reproducibility. They are also highly resistant to shock and vibration. They have an internal diaphragm.
| Model | SD-36 | SD-37 | ||||
|---|---|---|---|---|---|---|
| Accuracy (of full scale) |
± 0.1% | ±0.1% | ||||
| Fitting | ½ NPT | ¼ NPT | ||||
| Ranges (psi) | 0 to: 1.5, 2.5, 3.5, 5, 15, 20, 35, 60, 100, 150, 200, 350, 500, 600, 1,000, 1,500, 2,000, 3,500, 5,000, 6, 000 | |||||
| Repeatability | < ±0.03% full scale | |||||
| Stability | < ±0.1% of full scale | |||||
| Output options | 0 to 20 mA, 4 to 20 mA, 0 to 10 VDC | |||||
| Power | 10 to 30 VDC (14 to 30 VDC for 0 to 10 V output) | |||||
Data Sheet
SD-40 Series
Pressure sensors for pasty or crystalizing media
The SD-40 Series are The SD-40 Series are designed for applications that require a flush diaphragm such as pasty or crystalizing media. They feature high overload protection and have a piezoresistive or thin film element. They are also highly resistant to shock and vibration.
| Model | SD-40 | SD-42 | ||
|---|---|---|---|---|
| Accuracy (of full scale) |
± 0.5% | ± 0.25% | ||
| Fitting | G ½ B | G ¼ B | G ½ B | G ¼ B |
| Ranges (psi) | 0 to: 1.5, 2.5, 3.5, 5, 15, 20, 35, 60, 100, 150, 200, 350, 500, 600, 1,000, 1,500, 2,000, 3,500, 5,000, 6, 000, 8,500 -10 to 0, -15 to 0, -15 to +10, -15 to +20, -15 to +40, -15 to +75, -15 to +100, -15 to +200, -15 to +300, -15 to +345 |
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| Repeatability | < ±0.05% full scale | |||
| Stability | < ±0.2 % of full scale | |||
| Output options | 0 to 20 mA, 4 to 20 mA, 0 to 5 VDC, 0 to 10 VDC | |||
| Power | 10 to 30 VDC (14 to 30 VDC for 0 to 10 V output) | |||
Data Sheet
SD-50 Series
Pressure sensor family with quasi-flush
SD-50 Series level sensors feature a diaphragm that is inset yet close to the outer pressure fitting surface. Additionally, they feature long-term stability and ruggedness even under high shock and vibration. Applications include continuous fluid measurement, chemical and medical industries.
| Model | SD-50 | SD-52 | ||||
|---|---|---|---|---|---|---|
| Accuracy (of full scale) |
± 0.35% | ± 0.25% | ||||
| Fitting | G 1½" B | G 1½" B | ||||
| Ranges (psi) | 0 to: 1, 1.5, 2.5, 3.5, 5, 10, 15, 20, 35, 60, 100, 150, 200, 230 | |||||
| Repeatability | < ±0.05% full scale | |||||
| Stability | < ±0.2% of full scale | |||||
| Output | 4 to 20 mA | |||||
| Power | 10 to 36 VDC | |||||
Data Sheet
SD-150 Series
Sanitary pressure sensors for food/beverage and pharmaceutical industries
SD-150 Series sensors each have a clam fitting for sanitary applications . They feature long-term stability and temperature compensation. Hydraulic and pneumatic applications include use in all gaseous and liquid media that do not attack the measuring system, crystallize or have high viscosity. They have an internal diaphragm.
| Model | SD-150 25 | SD-150 38 | SD-150 51 | SD-150 63.5 |
|---|---|---|---|---|
| Accuracy (of full scale) |
± 0.5% | ± 0.5% | ± 0.5% | ± 0.5% |
| Fitting | 1" | 1½" | 2" | 2½" |
| Ranges (psi) | 0 to: 1.5, 2.5, 3.5, 5, 10, 15, 20, 35, 60, 100, 150, 200, 350, 500, 600 -15 to +10, -15 to +15, -15 to +50, -15 to +75, -75 to +130, -15 to +200, -15 to +300 |
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| Repeatability | < ±0.1% full scale | |||
| Stability | < ±0.2% of full scale | |||
| Output options | 0 to 20 mA, 4 to 20 mA, 0 to 5 VDC, 0 to 10 VDC | |||
| Power | 10 to 36 VDC (12 to 36 VDC for 0 to 10 V output) | |||
Data Sheet
SD-60 Series
Level sensors with internal diaphragm
SD-60 Series level sensors feature long-term stability and low thermal offset. Applications include level measurements in water, water wells, fuel and diesel oil, sewage treatment depth, open waters and other environmental engineering uses. They are available with a stainless steel or ceramic element.
| Model | SD-60 | SD-61 | SD-65 | SD-66 | |
|---|---|---|---|---|---|
| Accuracy (of full scale) |
± 0.5% | ± 0.25% | ± 0.5% | ± 0.5% | |
| Sensor Element | stainless steel | ceramic | |||
| Ranges | 0 to: 1.5, 2.5, 3.5, 5, 10, 15, 20, 35, 60, 100, 150, 200, 350 psi 0 to: 40, 60, 100, 160, 250, 400, 600 mbar 0 to: 1, 1.6, 2.5, 4, 6, 10, 16, 25 bar |
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| Diameter (mm) | 27 | 27 | 39.5 | ||
| Repeatability | < ±0.05% full scale | ||||
| Stability | < ±0.1% of full scale | ||||
| Output options | 0 to 20 mA, 4 to 20 mA, 0 to 10 VDC | ||||
| Power | 12 to 36 VDC (14 to 36 VDC for 0 to 10 V output) | ||||
Data Sheet
SMR-36 Series
Pressure gauge with integrated pressure sensor
4" and 6¼" diameter industrial pressure gauges with Bourdon tube and integrated pressure sensor. S3 safety category pressure gauge with break-proof solid front and blowout back as well as hermetically sealed pressure equalizing membrane with S designation imprinted on face verifying compliance to safety standard DIN EN 837-1.
Standard output:
4 to 20 mA; 2-wire system
or 0 to 20 mA; 3-wire system
or 0 to 5 VDC; 3-wire system
or 0 to 10 VDC; 3-wire system
| Models | SMR-36 100 | SMR-36 160 |
|---|---|---|
| Ranges (psi) | 0 to 10, 15, 25, 35, 50, 100, 150, 200, 350, 600, 1,000, 1,500, 2,000, 3,500, 5,000, 6,000, -10 to 0, -15 to 0, -15 to +10, -15 to +15, -15 to +50, -15 to +75, -15 to +130, -15 to +200, -15 to 300 | |
| Case | Stainless steel 316, with blow out plug for the case of pressure build-up inside safety disconnection wall between measuring element and dial | |
| Window | Laminated glass | |
| Connection thread | NPT: 1/4 inch, 1/2 inch, SAE: 7/16 inch - 20 | |
| Repeatability | < 0.05 % of full scale | |
Data Sheet
SD-80 Series
Differential pressure transmitter
The SSD-80 Series are differential pressure transmitters for non aggressive gases. They feature a short reaction time, excellent long-term stability and an optional high overpressure. They operate using an inductive sensor element.
| Model | SD-80 | SD-81 | SD-82 | |
|---|---|---|---|---|
| Accuracy (f.s.o) | ± 1.0% | ± 0.5% | ± 0.25% | |
| Fitting | 2 x dia. 6.6 x 11 mm for 6mm flexible tubes | |||
| Ranges (psi) | 0 to: 0.002, 0.007, 0.010, 0.015, 0.02, 0.03, 0.06, 0.075, 0.01, 0.15, 0.20, 0.35, 0.60, 0.10, 1.5, 2, 3.5, 5, 10, 15 | |||
| Ranges (psi absolute) | 0 to 15, 15 to 16, 10 to 17 | |||
| Overpressure | up to 160 2.5 psi: -5.0 X, from 3.5 psi: - 2.0 X | |||
| Hysteresis | < ±0.1% f.s.o. | |||
| Stability | < ±0.5% f.s.o / year | |||
| Output | 0 to 20 mA, 4 to 20 mA, 0 to 10 VDC, -10 to + 10 VDC | |||
| Power | 19 to 31 VDC for 3-wire version, 12 to 32 VDC for 4 to 20 mA /2-wire version | |||
Data Sheet
We carry other Pressure Transducers. Contact us if you don't see what you need.
Call Bristol Instruments on 877-866-8500 or email us for complete information including specifications or to discuss your application