They are available in many different designs to suit pressure and electrical connections, measuring procedures, electrical output signals, and certifications (CE, EX, rail, and ship).
About Pressure Transmitters
Pressure transmitters are electronic pressure gauges and are used to measure and monitor pressure. The term pressure transmitter is also often used for pressure transducers or pressure sensors. However, this is not a synonym, since the term pressure sensor in the narrower sense only describes a part of the pressure transmitter.
Descriptions of Trafag DPS 8381 Display Pressure Switch

The DPS 8381 is the ideal combination of a pressure switch and transmitter with a pressure display. The parameters are set on the device or in a timesaving way via an NFC – smartphone App. The settings in combination with a comprehensive set of options make the DPS 8381 suitable for a wide range of demanding applications.
Main Features of Trafag DPS 8381
- Parametrisation also via NFC-smartphone App (Android)
- Display and electrical connection are independently rotatable 335°/343°
- Analogue output switchable mA or V
- Integrated data logger
- Measuring range adjustable
Technical Data of DPS 8381
More Information | |
Product code | 8381 |
Name | DPS |
Designation | Display Pressure Switch |
Product category | Pressure transmitters Electronic pressure switches |
Measuring range | 0 … 2.5 to 0 … 600 bar 0 … 30 to 0 … 7500 psi adjustable |
Measuring principle | Thin-film-on-steel |
Applications | Hydraulics Industrial applications Machine tools Process technology |
Accuracy @ 25°C typ. | ± 0.5 % FS typ. |
Output signal | 4 … 20 mA, 0 … 5 VDC, 1 … 6 VDC, 0 … 10 VDC, switchable mA or V |
Electrical connections | Male electrical connector M12x1, 5-pole Male electrical connector M12x1, 4-pole |
Pressure connections | G1/4″ f; G1/4″ m Seal; G1/4″ m with integrated damping; G1/4″ m (Manometer) EN 837; G1/2″ m (Manometer) EN 837; 1/4″NPT m; 1/2″NPT m; R1/4″ m, DIN3858; M14x1.5 m, DIN6149-2; 7/16″-20UNF m, DIN3866; 7/16″ -20UNF m, SAE4 (J1926); 7/16″-20UNF f, SAE J512, va |
Media temperature | -25°C … +85°C |
Ambient temperature | -25°C … +85°C |
Source: trafag.com
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