Wall mounted device

The DAO is based on a sensor with long life expectancy (5 or 10 years according to model). The mode of calibration is sélectionnable: automatic or manual Autocalibration. Threshold of alarm is setable. Range of measure from 0 to 100 % O2. power : 230V. No filter or mechanical maintenance. Reading of the concentration on LCD dispaly. Versions:

• DAO5 : 5 year life expectancy for the sensor
• DAO10 : 10 year life expectancy for the sensor

Response time:

• DAO5 : 14s
• DAO10 : 60s

Accuracy :

• DAO5 : 1% on full scale
• DAO10 : 2% on full scale
  

Body IP 42

• Connection to sensor by data bus up to 1200 m long (4 strands cable)
• Power : 230V AC

Options :

• Power supply in 24/35V DC

Advantages

• Exceptional life expectancy of the sensor.
• very low Life Cycle Cost cost.
• Embeded 10A relay in case of alarm.
• Wall fixation by screws.
• Permanent autotest.