SensitronProducts / Sensitron / SMART 3G Gr.1

Sensitron / Gas detection
SMART 3G Gr.1
Gas detector family for mines, tunnels and ATEX Group I environments. Display and non-display versions provide sensor-dependent gas measurement with analogue and optional serial communication.
| Manufacturer | Sensitron |
|---|---|
| Model / family | SMART 3G Gr.1 |
| System | Gas detection |
| Selection & quotation | Based on project specification, configuration and quantities. |
Technical specifications
| Detectable gases | Methane [0 - 100% LFL]; Oxygen [0 - 25% Vol]; Carbon monoxide [0 - 500ppm]Source · 2 ↗ |
|---|---|
| Detection principle | Catalytic, Infrared and Electrochemical cellSource · 2 ↗ |
| Operating voltage | 12-24 VdcSource · 2 ↗ |
| Operating temperature | With catalytic and infrared sensor: -20 / +60°C With electrochemical cell: -20 / +50°CSource · 2 ↗ |
| IP rating | IP65Source · 3 ↗ |
| Relative humidity | With catalytic and infrared sensor: 0 / 95% RH With electrochemical cell: 15 / 90% RHSource · 2 ↗ |
| Application | Mines, tunnels and ATEX areas classified as Group ISource · 2 ↗ |
| Outputs — With Display: Methane, Oxygen, Carbon monoxide | Analogue 4-20 mA output; 3 relay board; serial RS485 output (optional)Source · 2 ↗ |
| Outputs — Without Display: Methane, Oxygen, Carbon monoxide | Analogue 4-20 mA output; 3 relay board (optional); serial RS485 output (optional)Source · 2 ↗ |
| Maximum power consumption | 5.4 WSource · 2 ↗ |
| Relay contact ratings | 1.0 A at 24 VdcSource · 2 ↗ |
| Display and indication — With Display: Methane, Oxygen, Carbon monoxide | 7-segment display, 5 status LED and 4 intelligent LED, multi-color LED light ringSource · 2 ↗ |
| Storage temperature | With catalytic and infrared sensor: -40 / +85°C With electrochemical cell: 0 / +20°C (up to 6 months)Source · 2 ↗ |
| Housing material — With Display: Methane, Oxygen, Carbon monoxide | Enclosure: stainless steel Sensor head: stainless steelSource · 3 ↗ |
| Housing material — Without Display: Methane, Oxygen, Carbon monoxide | Enclosure: stainless steel Sensor head: stainless steel SS316Source · 3 ↗ |
| Dimensions — With Display: Methane, Oxygen, Carbon monoxide | 145 x 187 x 128 mmSource · 3 ↗ |
| Dimensions — Without Display: Methane, Oxygen, Carbon monoxide | 145 x 187 x 108 mmSource · 3 ↗ |
| Weight — With Display: Methane, Oxygen, Carbon monoxide | 3300 gSource · 3 ↗ |
| Weight — Without Display: Methane, Oxygen, Carbon monoxide | 2800 gSource · 3 ↗ |
Documented system connections
Related products identified in manufacturer documentation. Check the model and configuration scope in the 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 Gr.1 · With Display: Methane, Oxygen, Carbon monoxide↓SMART 3G Gr.1 · Without Display: Methane, Oxygen, Carbon monoxide↓SMART 3G Gr.1 · Manual↓SMART 3G Gr.1 · Kit gas test↓SMART 3G Gr.1 · Keypad STS/CKD+↓SMART 3G Gr.1 · 1 relay STS1REL board↓SMART 3G Gr.1 · 3 relay STS3REL board↓SMART 3G Gr.1 · RS485 board↓LET’S BUILD THE RIGHT PACKAGE
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