Sell DTQB518 concentration display

Principle of the sensor:

Carrier catalyzing type

Explosion prevention level:

Ex dII CT6 (including ethyne )

Working voltage

DC24V ±15%

Working current:

50 mA

Detecting range:

0 – 99% LEL

Indication error:

±3% LEL (F.S)

Weight:

1kg

Working humidity:

≤ 93 ± 2% relative humidity

Structure dimension:

85 × 90 × 110mm (length ×width ×height )

Calibration gas:

calibrated with a standard gas of mixing methane and air

Anti-toxicity:

sensor can resist H₂S with 100ppm (if need, please indicate when order)

Non-working display :

auto-display when sensor cannot work normally (optional installing)

Display mode:

LED digital display (optional installing)

Calibration of infrared remote controller:

≥ 15 meters 4 – 20 mA standard signal output

Output mode:

① voltage signal output (matched with QB-DAP2000 wall-mounting combustible gas alarm controller)
② 4-20mA standard signal output (matched with DAP2102-GP1 built-in toxic gas alarm controller; QB-DAP2000 wall-mounting combustible gas alarm controller; DCS system )

③ normal-open connection (matched with different kinds of fire alarm systems)