Detection principle

Electrochemical; catalytic combustion, PID, semiconductor, etc.

(Different according to the selected gas detection principle)

Alarm value setting

Level 1 alarm value: 19.5%VOL adjustable

Level 2 alarm value: 23.5%VOL; adjustable

Detection object

Any 4 gases in the list

Ambient temperature

-40 ℃ ~ 65 ℃;

Range

0-25% VOL;0-1000ppm,0-100% LEL,0-100% VOL accuracy ≤ 3% F.S; Repeatability ≤ 2% Selectable from the previous list

Working humidity

≤90%RH;

Sensor life

≥ 5 years, using imported sensors

Protection level

IP67;

Low High Range

Low alarm 19.5 per cent of VOL;

High alarm 23.5%VOL; can be customized

Explosion-proof mode

Flameproof type; user can choose

Sampling mode

Natural diffusion

Explosion-proof grade

EXDIICT6; user selectable

Response time

T90 ≤ 30S

Operating voltage

DC18V ~ 24V

Display mode

LCD liquid crystal display

Electrical Interface

3/4 inch NPT(F) or M20, with explosion-proof junction box gland

Alarm facilities

Acousto-optic + infrared mode

Signal output

Wireless, can upload DCS, PLC system;

Passive contact

2 sets of switch output signals (normally open and normally closed adjustable);

Dimensions

150×140×70(mm)

Power consumption

≤ 2W

Cable specifications

Branch line RVVP3 × 1.5mm ²;

Bus RVVP4 × 2.5mm ²;

Two-wire RVVP2 × 2.5mm ²;

Signal transmission distance

NB≤ 1000m;4G network cross-region

Weight of whole machine

≤ 1500g;

Atmospheric pressure

86Kpa ~ 108Kpa;

Self-contained defense dust cover and mounting bracket