Crowcon Sensitron Smart 3H Lite Gas Detector
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Crowcon Sensitron Smart 3H Lite Gas Detector
The SMART 3G-D3 Gas Detector with Catalytic sensor is designed to meet industrial requirements; the enclosure is explosion-proof and can be installed in ATEX Zone 2 and, when equipped with a dust adapter, in Zone 22.
The sensing element is placed in the stainless steel head with a 47.5 mm diameter. The pellistor sensors employed for flammable gas detection show an excellent output linearity of up to 100% LEL and a fast response time.
The gas detector has a 12-24 Vdc power supply, a standard 4-20 mA 3-wires output, and three relays. Optionally, the SMART3G-D3 can be equipped with serial RS485 communication.
The enclosure has dimensions 106 x 160 x 81 mm; on the upper side, there’s a M20 cable gland. The SMART3G-D3 features a 7-segment display for real-time concentration visualization and Hall effect sensors for non-intrusive field calibration.
SMART3G-D3 is SIL2 hardware and SIL3 software; with a redundant system, the hardware is SIL3.
SMART3G-D3 – Flammable Gas (Catalytic Sensor)
| Part Number | Gas Type | Output & Range |
|---|---|---|
| S2156ME | Methane | 4-20 mA, 0-100% LFL |
| S2156GP | LPG | 4-20 mA, 0-100% LFL |
| S2156PR | Propane | 4-20 mA, 0-100% LFL |
| S2156BU | Butane | 4-20 mA, 0-100% LFL |
| S2156VB | Petrol Vapours | 4-20 mA, 0-100% LFL |
| S2156H2 | Hydrogen | 4-20 mA, 0-100% LFL |
Accessories
| Part Number | Description |
|---|---|
| STS/CSW+ | Calibration software for SMART3G, SMART3NC & SMART3R detectors including USB key, USB/RS485 converter, and STS/IDI card. Supports Windows XP, 7, and 10. Allows modification of alarm thresholds, measuring range, and adjustment of Zero, Span, and 4-20 mA values. |
| STS/IDI | Plug-in interface for RS485 serial communication suitable for SMART3G |
| STGD/AD3 | Adapter for sensor heads (except S2096__ & S2097__) to upgrade protection from G to GD |
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