SensitronProducts / Sensitron / SMART 3G C3
Sensitron / Gas detection
SMART 3G C3
Fixed gas detector family for ATEX Zone 2 applications. Sensor options support flammable, toxic, refrigerant and VOC duties; 4–20 mA is provided with optional relay and RS485 interfaces.
| Manufacturer | Sensitron |
|---|---|
| Model / family | SMART 3G C3 |
| System | Gas detection |
| Selection & quotation | Based on project specification, configuration and quantities. |
Technical specifications
| Operating voltage | 12-24 VdcSource · 2 ↗ |
|---|---|
| Outputs | Analogue 4-20 mA output; 1 or 3 relay board (optional); serial RS485 output (optional)Source · 2 ↗ |
| IP rating | IP65 (with dust adapter)Source · 3 ↗ |
| Application — Catalytic | Industrial area, ATEX Zone 2 and Zone 22 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Application — Electrochemical | Industrial area, ATEX Zone 2 and Zone 22 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Application — Infrared | Industrial area, ATEX Zone 2 e Zone 22 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Application — PID | Industrial area, ATEX Zone 2 e Zone 22 (when equipped with dust adapter, optional)Source · 2 ↗ |
| Detection principle — Catalytic | CatalyticSource · 2 ↗ |
| Detection principle — Electrochemical | Electrochemical cellSource · 2 ↗ |
| Detection principle — Infrared | InfraredSource · 2 ↗ |
| Detection principle — PID | Photoionizator (PID)Source · 2 ↗ |
| Detectable gases — Catalytic | Methane, LPG, Propane, Butane, Petrol Vapours, Hydrogen, Ethyl alcoholSource · 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 — 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 ↗ |
| Maximum power consumption | 5.4 WSource · 2 ↗ |
| Relay contact ratings | 1.0 A at 24 Vdc (optional board)Source · 2 ↗ |
| Storage temperature — Catalytic | -40 / +85°CSource · 2 ↗ |
| Storage temperature — Electrochemical | 0 / +20°C up to six monthsSource · 2 ↗ |
| Storage temperature — Infrared | -40 / +85°CSource · 2 ↗ |
| Operating temperature — Catalytic | -20 / +60°CSource · 2 ↗ |
| Operating temperature — Electrochemical | -30 / +50°CSource · 2 ↗ |
| Operating temperature — Infrared | -40 / +60°CSource · 2 ↗ |
| Relative humidity — Catalytic | 0 / 90% RHSource · 2 ↗ |
| Relative humidity — Electrochemical | 15 / 90% RH non condensingSource · 2 ↗ |
| Relative humidity — Infrared | 0 / 90% RHSource · 2 ↗ |
| Relative humidity — PID | (non condensing)Source · 3 ↗ |
| Housing material | Enclosure: Aluminium Sensor head: stainless steelSource · 3 ↗ |
| Dimensions — Catalytic | 106 x 137 x 62 mmSource · 3 ↗ |
| Dimensions — Electrochemical | 106 x 160 x 62 mmSource · 3 ↗ |
| Dimensions — Infrared | 106 x 160 x 62 mmSource · 3 ↗ |
| Dimensions — PID | 106 x 106 x 62 mmSource · 3 ↗ |
| Weight — Catalytic | 760 gSource · 3 ↗ |
| Weight — Electrochemical | 1023 gSource · 3 ↗ |
| Weight — Infrared | 1023 gSource · 3 ↗ |
| Weight — PID | 1023 gSource · 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.
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Technical documents
SMART 3G C3 · Catalytic: Flammable Gas (Methane, LPG, Butane, Propane…)↓SMART 3G C3 · Electrochemical cell: Toxic Gases (Oxygen, Carbon Monoxide, Ammonia…)↓SMART 3G C3 · Infrared: CO2, SF6, Refrigerant Gas↓SMART 3G C3 · PID↓SMART 3G C3 · (Post 2021) Quick Guide↓SMART 3G C3 · (Post 2021) Manual↓SMART 3G C3 · (Pre 2021) Flammable gas: Manual↓SMART 3G C3 · (Pre 2021) Toxic gas: Manual↓SMART 3G C3 · Kit gas test↓SMART 3G C3 · Keypad STS/CKD+↓SMART 3G C3 · 1 relay STS1REL board↓SMART 3G C3 · 3 relay STS3REL board↓SMART 3G C3 · RS485 board↓SMART 3G C3 · Remote head kit(5m)↓SMART 3G C3 · Remote head kit (25m)↓LET’S BUILD THE RIGHT PACKAGE
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