Product Description
WS301 CO2 Temperature Humidity Barometric Pressure Light Sensor RS485 Transmitter Compact Multifunction Environmental Detector
WS301 CO2 Temperature Humidity Barometric Pressure Light Sensor RS485 Transmitter Compact Multifunction Environmental Detector1.NOTE:
Due to page limitations, some configurations may not be listed. Please contact us for special requirements.
Default configuration:
Range: 0–5000 ppm
Power supply: 6–60 V
Output: RS485
Cable length: 1 m
Operating temperature:
WS300 / WS301 / WS303: 0–50 °C
WS304: -40–85 °C
Atmospheric pressure range: 300–1100 hPa
Optional:
Range: customizable up to 10000 ppm
Cable length: customizable
2. Parameters
Parameter | Specification |
Model | WS30x |
Interface Type | RS485 (Isolated) |
Power Supply | 6–60V DC |
CO₂ Range | 0–5000ppm (customizable to 10000ppm) |
CO₂ Accuracy | ±(40ppm + 4% of reading) @ 25℃, 50%RH |
Temp Accuracy | ±0.2℃ |
Humidity Accuracy | ±2%RH |
Long-term Drift | Temp <0.03℃/year, RH <0.2%RH/year |
Light Range | 0.01–83000 lux |
Light Accuracy | ±0.2% |
Pressure Range | 300–1100 hPa |
Pressure Accuracy | ±0.12 hPa @ 25℃ |
Communication | Modbus RTU |
Baud Rate | 1200–115200bps (default 9600bps) |
Operating Temp | 0–50℃ (WS300/301/303) / -40–85℃ (WS304) |
Dimensions | 64.8×68.99×15.70 mm |
Weight | ≈120g |
3. Features
High-Integration Multi-Sensor– Measures CO₂, temperature, humidity, light, and pressure in one compact unit.
Advanced NDIR CO₂ Detection– Ensures high accuracy, long-term stability, and strong interference resistance.
Titanium Alloy Housing– Corrosion-resistant, impact-resistant, and suitable for harsh environments.
Industrial-Grade RS485 Modbus– Built-in isolation, high noise immunity, and reliable data transmission.
Wide Measurement Ranges– Supports low light detection (0.01 lux) and high CO₂ concentration up to 10000ppm (customized).
LCD Cycling Display– Rotates readings of temperature, humidity, CO₂, pressure, and light every 2 seconds.
4. Applications
Fresh air systems and HVAC control
Air quality monitoring
Greenhouse & smart farming
Microbial fermentation
Lithium battery thermal runaway monitoring
Energy management systems
Medical equipment and air purifiers
5. FAQs
Q1: Is the sensor suitable for outdoor use?
A1: Yes, the titanium alloy housing and wide operating temperature range make it ideal for both indoor and harsh outdoor environments.
Q2: Can the CO₂ range be customized to 10000ppm?
A2: Yes, we offer customization for higher CO₂ measurement ranges upon request.
Q3: What communication protocol does it use?
A3: It uses the RS485 Modbus RTU protocol, compatible with most industrial monitoring systems.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We carefully handle each order to ensure your package arrives quickly and safely. Please note that factors such as weather, postal traffic, or carrier performance may occasionally cause delays beyond our control.
We provide free shipping and dispatch all orders within 2 business days of payment, often sooner. All shipments are sent via international express air shipping, with a tracking number provided so you can follow your order every step of the way.
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Returns
Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.