Shenwei Electronics SW320DPLUS infrared SF6+O2 sensor SW320DPLUS
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- Model ： SW320DPLUS
- Category： Gas Transducer
- Brand ： Shanghai Shenwei Electronics
- Delivery Time： Request for a Quote for Further Details
- Manufacturer： Shanghai Shenwei Electronics
Products
Housing
SW320DPLUS is a multi-gas sensor module that can detect two gases, SF6 and O2 at the same time. SF6 uses the NDIR infrared absorption detection principle, and O2 uses the electrochemical principle. The module uses a MEMS light source, a specially structured optical cavity and a dual-channel detector to achieve spatial dual optical path reference compensation, and the microprocessor performs signal acquisition, processing and output. SW320DPLUS has good selectivity, high sensitivity and service life. Built-in temperature sensor for temperature compensation.
Environmental and electrical parameters
| describe | numerical value | unit |
| Storage temperature | -20 to 80 | °C |
| Operating temperature | -20 to +60 | °C |
| Working humidity | 0 to 90 | % RH no condensation |
| work pressure | 0.8 to 1.2 | atm |
| Supply voltage | 12 | V |
| Supply current | 120 | mA |
Performance parameters
| Description(SF6) | typical | unit | |
| Detection range (can be customized) | 1500 | ppm | |
| measurement accuracy | ±20 or ±5% of the true value, whichever is greater | ppm | |
| T90 | pump suction | 5 | S |
| diffusion | 30 | S | |
| Repeatability | zero point | <±50 | ppm |
| 50% FS | <±5% of measured value | ||
| life | 10 | Year | |
| Description (O2) | O2 | unit | |
| Detection range | 0-25%VOL | PPM | |
| resolution | 0.1%VOL | ||
| T90 | diffusion | 15 | Second |
| life | 2 | Year | |
Output Interface:
RS485 output
Application scenarios:
It is used in scenarios where real-time detection of SF6 and O2 is required in power systems such as substations.
structure size:
Diffuse type: length*width*height: 100mm*68mm*50mm with ears
Installation dimension diagram:
