SensitronProducts / Sensitron / SMART 3G C2
Sensitron / Gas detection
SMART 3G C2
Industrial gas detector family for ATEX Zone 1, with 4–20 mA signalling and optional relay or RS485 interfaces. Catalytic, electrochemical, infrared and PID versions are selected for the target gas.
| Manufacturer | Sensitron |
|---|---|
| Model / family | SMART 3G C2 |
| System | Gas detection |
| Selection & quotation | Based on project specification, configuration and quantities. |
Technical specifications
| Operating voltage | 12-24 VdcSource · 3 ↗ |
|---|---|
| Outputs | Analogue 4-20 mA output; 1 or 3 relay board (optional); serial RS485 output (optional)Source · 3 ↗ |
| IP rating | IP65Source · 3 ↗ |
| Application — Catalytic | Industrial area, ATEX Zone 1 and Zone 21 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Application — Electrochemical | Industrial area, ATEX Zone 1 and Zone 21 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Application — Intrinsically safe EC | Industrial area, ATEX Zone 1 and Zone 21 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Application — Infrared | Industrial area, ATEX Zone 1 e Zone 21 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Application — PID | Industrial area, ATEX Zone 1 e Zone 21 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Detection principle — Catalytic | CatalyticSource · 2 ↗ |
| Detection principle — Electrochemical | Electrochemical cellSource · 2 ↗ |
| Detection principle — Intrinsically safe EC | Electrochemical cellSource · 2 ↗ |
| Detection principle — Infrared | InfraredSource · 2 ↗ |
| Detection principle — PID | Photoionizator (PID)Source · 2 ↗ |
| Detectable gases — Catalytic | Flammable gasSource · 2 ↗ |
| Detectable gases — Electrochemical | O2 [0-25% Vol], CO [0-500/1000 ppm], NH3 [0-100/200/1000/5000 ppm], H2S [0- 50/100 ppm], NO [0 - 100 ppm]; H2 [0 - 2000/3000 ppm]Source · 2 ↗ |
| Detectable gases — Intrinsically safe EC | Sulphur dioxide [0-20 ppm] Nitrogen dioxide [0-20 ppm] Chlorine [0-5 ppm]; [0-20 ppm] Hydrogen cyanide [0-30 ppm]Source · 2 ↗ |
| Detectable gases — Infrared | Flammable, refrigerant and CO2Source · 2 ↗ |
| Detectable gases — PID | Volatile Organic Compounds (VOC) having photoionization potential up to 10.6 eVSource · 2 ↗ |
| Measurement range — Catalytic | 0 - 100% LFLSource · 2 ↗ |
| Measurement range — Infrared | 0 - 100% LFL flammable gas 0 - 2000 ppm refrigerant gas 0-2%Vol; 0-5%Vol; 0-30%Vol; 0-100%Vol CO2Source · 2 ↗ |
| Measurement range — PID | 0 - 20 ppm (Isobutylene) 0 - 200 ppm (Isobutylene) 0 - 2000 ppm (Isobutylene)Source · 2 ↗ |
| Housing material — Catalytic | Enclosure: aluminium pressure die-casting with epoxy paint chromating and chemically resistant Sensor head: stainless steelSource · 3 ↗ |
| Housing material — Electrochemical | Enclosure: aluminium pressure die-casting with epoxy paint chromating and chemically resistant Sensor head: stainless steelSource · 3 ↗ |
| Housing material — Intrinsically safe EC | Enclosure: aluminium with epoxy paint chromating and chemically resistant Sensor head: stainless steelSource · 3 ↗ |
| Housing material — Infrared | Enclosure: aluminium pressure die-casting with epoxy paint chromating and chemically resistant Sensor head: stainless steelSource · 3 ↗ |
| Housing material — PID | Enclosure: aluminium pressure die-casting with epoxy paint chromating and chemically resistant Sensor head: stainless steelSource · 3 ↗ |
| Dimensions — Catalytic | With type head 2: 120 x 162 x 90 mm With type head 3: 120 x 184 x 90 mmSource · 3 ↗ |
| Dimensions — Electrochemical | 120 x 184 x 90 mmSource · 3 ↗ |
| Dimensions — Intrinsically safe EC | 138 x 200 x 119 mmSource · 3 ↗ |
| Dimensions — Infrared | 120 x 184 x 90 mmSource · 3 ↗ |
| Dimensions — PID | 120 x 184 x 90 mmSource · 3 ↗ |
| Weight — Catalytic | With type head 2: 1050 g With type head 3: 1250 gSource · 3 ↗ |
| Weight — Electrochemical | 1250 gSource · 3 ↗ |
| Weight — Intrinsically safe EC | 2700 gSource · 3 ↗ |
| Weight — Infrared | 1250 gSource · 3 ↗ |
| Weight — PID | 1250 gSource · 3 ↗ |
| Storage temperature — Catalytic | -40 / +85°CSource · 3 ↗ |
| Storage temperature — Electrochemical | 0 / +20°C up to 6 monthsSource · 3 ↗ |
| Storage temperature — Intrinsically safe EC | 0 / +20°C up to 6 monthsSource · 3 ↗ |
| Storage temperature — Infrared | -40 / +85°CSource · 3 ↗ |
| Operating temperature — Catalytic | -40 / +60°C * with type head 3 -20 / +60°C * with type head 2 codes with -HT have Tmax=70°CSource · 3 ↗ |
| Operating temperature — Electrochemical | -30 / +55°CSource · 3 ↗ |
| Operating temperature — Intrinsically safe EC | -20 / +50°CSource · 3 ↗ |
| Operating temperature — Infrared | -40 / +60°C *Source · 3 ↗ |
| Relative humidity — Catalytic | 20 / 90% RH @40°C *Source · 3 ↗ |
| Relative humidity — Electrochemical | 15 / 90% RH non condensingSource · 3 ↗ |
| Relative humidity — Intrinsically safe EC | 15 / 90% RH non condensingSource · 3 ↗ |
| Relative humidity — Infrared | 20 / 90% RH @40°C *Source · 3 ↗ |
| Relative humidity — PID | (non condensing)Source · 3 ↗ |
| Maximum power consumption — Catalytic | 5.4 WSource · 3 ↗ |
| Maximum power consumption — Electrochemical | 5.4 WSource · 2 ↗ |
| Maximum power consumption — Intrinsically safe EC | 4.5 WSource · 3 ↗ |
| Maximum power consumption — Infrared | 5.4 WSource · 3 ↗ |
| Maximum power consumption — PID | 5.4 WSource · 3 ↗ |
Documented system connections
Related products identified in manufacturer documentation. Check the model and configuration scope in the reference.
- Gas Test Kit · Calibration kitRelationship reference ↗
- STS/CKD+ · Calibration keypadRelationship reference ↗
- STS1REL · Single-relay boardRelationship reference ↗
- STS3REL · Three-relay boardRelationship reference ↗
- ST.S/IDI · RS485 interface boardRelationship reference ↗
- ST.R5M · Remote sensor head kitRelationship reference ↗
- ST.R25M · Remote sensor head kitRelationship reference ↗
Ratings, approvals and compatibility apply only to the models and configurations identified in the manufacturer’s documents.
AL KWARIZMI PROJECT SUPPORTSelection · BOQ review · Technical submittals · Delivery
Technical documents
SMART 3G C2 · Catalytic: Flammable gas (Methane, LPG, Butane, Propane…)↓SMART 3G C2 · Electrochemical cell: Toxic gas (Oxygen, Carbon Monoxide, Ammonia…)↓SMART 3G C2 · Electrochemical cell Intrinsically Safe: (Chlorine, Sulphur Dioxide, Nitrogen Dioxide)↓SMART 3G C2 · Infrared: Flammable gas, CO2, SF6 & Refrigerants↓SMART 3G C2 · PID↓SMART 3G C2 · (Post 2021) Flammable gas: Quick guide↓SMART 3G C2 · (Post 2021) Flammable gas: Manual↓SMART 3G C2 · (Pre 2021) Flammable gas: Manual↓SMART 3G C2 · (Post 2021) Toxic gas: Manual↓SMART 3G C2 · (Pre 2021) Toxic gas: Manual↓SMART 3G C2 · (Pre 2021) Addendum display↓SMART 3G C2 · Kit gas test↓SMART 3G C2 · Keypad STS/CKD+↓SMART 3G C2 · 1 relay STS1REL board↓SMART 3G C2 · 3 relay STS3REL board↓SMART 3G C2 · RS485 board↓SMART 3G C2 · Remote head kit (5m)↓SMART 3G C2 · Remote head kit (25m)↓LET’S BUILD THE RIGHT PACKAGE
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