This manual introduces the features and usage methods of the DS 2XX series of electronic pressure switches
The DS 2XX series electronic pressure switches from BD Sensors are designed for absolute, gauge and differential pressure measurement with a 4‑digit LED display. They support various pressure interface standards and can be configured for 4–20 mA analog output.
The manual covers product overview, identification, installation steps, electrical connections, initial start‑up, operation, removal, maintenance, service/repair procedures, disposal, warranty information and CE certification details. This manual is written in Chinese.
| Measurement range | 0–400 bar |
|---|---|
| Output signal | 4–20 mA (3‑wire) |
| Display | 4‑digit LED numeric display |
| Pressure interface standard | DIN 3852 |
| Oxygen application ≤50 bar limit | 40 bar/130 °C and 50 bar/100 °C |
| Oxygen application >50 bar limit | 215 bar/95 °C |
Installation must be performed with the device disconnected from power and without any pressure applied.
The default password is "0005".
For stainless steel fittings: G1/4" ≈ 5 Nm, G1/2" ≈ 10 Nm, G3/4" ≈ 15 Nm, G1" ≈ 20 Nm; for plastic fittings the maximum is 3 Nm.