Combustible gas tester
1.imported smart sensor
2.DCS & PLC system available
3.high bright LED display
4.patent technology
Port: chinese main port
Minimum Order Quantity: 1 Set/Sets
Supply Ability: 1000 Set/Sets per Month
Payment Terms: T/T,Western Union
Contact SupplierPackaging Detail: Standard exporting package-Carton box
Delivery Detail: as per buyer's request and advance payment
Fixed explosion-proof combustible gas tester for chemical & oil industry application GQB-200II
Performance and characteristics
Certificates
Brief introduction
GQB-200II series gas detector applies the stable & reliable smart imported sensor and design of imported dedicated module. It can be applied to refinery; chemical industry etc which easy to occur the combustible & toxic gas leak locations and give continuous detection for long term.
This detector is in accordance with the technical requirement of national standard : << GB15322.1-2003 Fixed combustible gas detector for range of 0-100% LEL>> & <<GB3836-2000 electrical apparatus for explosive gas surrounding>>
Technical parameters (Combustible gas- Catalytic combustion sensor)
Type of sensor | Catalytic combustion sensor |
Detection gases | Combustible gases |
Working voltage | 12~25V DC (typical:24V) |
Working current | less than 80mA |
Output signal | 4-20mA |
display | Two-digit LED display |
Detection range | 0-100 LEL |
Alarm density | adjustable |
respond time/T90 | less than 30s |
detection precision | ±3% |
zero drift | 2% per month |
Lifetime of sensor | more than 3 years |
application location | zone I&II hazardous locations of explosion-proof gases |
ambient condition | Outdoor application |
Relative humidity | 10~95%RH(no condensation) |
ATM press | 86~106Kpa |
operating temperature | -40ºC~+70ºC |
storage temperature | -25ºC~+70ºC |
transmission cable | Shielding line with 3-core, diameter:1~1. 5 mm2 |
transmission range | ≤2Km |
electric connector | M20*1.5 (cast Al) |
Explosion-proof grade | ExdIICT6 |
weight | 2kg (cast AL); |
Protection grade | IP65 (vertical installation) |
Standard configuration
Signal adjustor (one for five pieces), installation support; sun visor; environmental protection; user manual; gland nut; certificate of quality.
Selective configuration
Calibrating gas; flow meter; reducing valve; breather pipe.