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Target Gas: Nitrogen Dioxide (NO₂)
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Detection Principle: Electrochemical
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Measurement Range: 0 – 20 ppm (typical models also available in 0 – 200 ppm range)
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Resolution: 0.01 ppm
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Accuracy: ±2% F.S. (Full Scale)
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Response Time (T90): ≤ 30 seconds
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Output Signal: RS485 (Modbus RTU protocol)
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Power Supply: 12 – 24 V DC
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Operating Temperature: -20 °C to +50 °C
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Operating Humidity: 15 – 90% RH (non-condensing)
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Stability / Drift: ≤ ±2% per year
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Zero Shift: ≤ ±2% F.S.
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Housing Material: ABS / Aluminum alloy (depending on model)
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Ingress Protection: IP65 (splash and dust resistant)
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Mounting: Wall or duct mount
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Dimensions(cm): 17*6*15
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Weight: ~1.000 kg
Air Quality Sensor RS485/analog, Gas sensor
NO2 Sensor RS485
₹18,000.00 Price With Tax
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High-accuracy NO₂ detection using electrochemical technology
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RS485 Modbus RTU digital communication
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Measurement range: 0–10 ppm / 0–20 ppm / 0–200 ppm (customizable)
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Fast response time and long lifespan
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Suitable for industrial safety, air quality monitoring, and IoT systems
Availability: 25 in stock (can be backordered)
15 Days Warranty
This product comes with a 15-day warranty starting from the date of delivery. The warranty covers manufacturing defects only. If a defect is confirmed, the item will be replaced.
Warranty will not apply if:
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The product has been misused, dropped, or damaged.
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It has been exposed to water, fire, chemicals, or static discharge.
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It has been tampered with, soldered, or altered in any way.
The Nitrogen Dioxide (NO₂) Sensor with RS485 output is a professional-grade gas detection module designed for environmental monitoring, industrial emissions control, and smart air quality systems. Built with advanced electrochemical sensing technology, it ensures high accuracy, excellent stability, and low cross-sensitivity.
Its RS485 Modbus RTU communication makes it easy to integrate into air quality stations, HVAC systems, smart cities, and industrial safety applications. The rugged design and reliable performance make it ideal for continuous long-term monitoring.
Package Includes:
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1 x NO2 Sensor RS485
| Weight | 1 kg |
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| Dimensions | 17 × 6 × 15 cm |
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