Developed by professionals for professionals, the Dräger PSS® 7000 breathing apparatus is a major milestone in our continuing development of breathing devices for the professional firefighter.

The Dräger PSS ® 4000 is one of the lightest professional self-contained breathing apparatus for firefighters. Combining comfort with outstanding pneumatic performance, this SCBA is designed for use in places where simplicity and ease of use are important. Lightweight yet strong and easy to wear, PSS ® 4000 provides superior protection.

• Pull up 'Rigger' boots
• Closed design protects against debris

- Continuous detection of flammable, CO2, CO and N2O gases in explosion hazardous area with flame proof structure
- State-of-the art infrared detection principle
- Long service life time (more than 5 years)
- Operation in non oxygen environment
- Self diagnosis function with built-in Microprocessor
- Fast response time(<5 sec)
- Built-in back light LCD or OLED display
- Auto calibration and program setting with a magnet bar
- 2-stage alarm, 1-trouble display and relay contact output
- 4-20mA (Current source or Sink) output signal
- Easy configuration of monitoring system by RS-485 Modbus or HART communication
- Calibration and maintenance by one-man
- With the alarm unit (GTL-100)
- Normal : Green LED
- Alarm : Red LED, Buzzer (95dB)
- Trouble : Yellow LED