SensitronProducts / Sensitron / SMART 3G D3

Sensitron / Gas detection
SMART 3G D3
Display-equipped gas detector family for ATEX Zone 2 applications, with magnetic calibration, 4–20 mA signalling and relay outputs. Sensor and gas range depend on the ordered variant.
| Manufacturer | Sensitron |
|---|---|
| Model / family | SMART 3G D3 |
| 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; 3 relays; serial RS485 output (optional)Source · 2 ↗ |
| IP rating | IP65 (with dust adapter)Source · 3 ↗ |
| Weight | 1210 gSource · 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 (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 VapoursSource · 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 VdcSource · 2 ↗ |
| Display and indication | 7-segment display, 5 status LED and 4 intelligent LEDSource · 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 | -40 / +45°CSource · 2 ↗ |
| Operating temperature — Electrochemical | -30 / +45°CSource · 2 ↗ |
| Operating temperature — Infrared | -40 / +45°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 160 x 81 mmSource · 3 ↗ |
| Dimensions — Electrochemical | 106 x 160 x 81 mmSource · 3 ↗ |
| Dimensions — Infrared | 106 x 160 x 81 mmSource · 3 ↗ |
| Dimensions — PID | 106 x 106 x 81 mmSource · 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 D3 · Catalytic: Flammable gas (Methane, LPG, Butane, Propane…)↓SMART 3G D3 · Electrochemical cell: Toxic gas (Oxygen, Carbon monoxide, Ammonia…)↓SMART 3G D3 · Infrared: CO2, SF6, Refrigerant gas↓SMART 3G D3 · PID↓SMART 3G D3 · (Post 2021) Quick guide↓SMART 3G D3 · (Post 2021) Manual↓SMART 3G D3 · (Post 2021) Addendum display↓SMART 3G D3 · (Pre 2021) Manual for flammable gas↓SMART 3G D3 · (Pre 2021) Manual for toxic gas↓SMART 3G D3 · (Pre 2021) Addendum display↓SMART 3G D3 · Kit gas test↓SMART 3G D3 · Keypad STS/CKD+↓SMART 3G D3 · 1 relay STS1REL board↓SMART 3G D3 · 3 relay STS3REL board↓SMART 3G D3 · RS485 board↓LET’S BUILD THE RIGHT PACKAGE
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