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Monitors temperature, humidity and air quality related to VOC and NOx via RS485 Modbus RTU.
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The 7Semi RS485 Industrial Environmental Sensor Probe MODBUS RTU – Temp, Humidity, VOC, NOX is a high-performance, multi-parameter environmental sensor designed for precise monitoring of Temperature, Humidity, VOCs, and NOx-based using the industry-standard RS485 Modbus RTU protocol.
Built around an advanced digital sensing core and engineered for stable long-term operation, this probe is ideal for HVAC automation, smart farming, industrial IAQ monitoring, environmental data logging, and weather/climate measurement applications.
It delivers high-resolution raw gas values along with calculated Air Quality Indices, allowing developers, integrators, and industrial systems to access both processed and raw environmental signals.
This version includes a 2-meter, features a wide 9–36V DC input range, Software configurable Modbus address and baud rate, and onboard signal processing. Fully plug-and-play with SCADA, PLCs, HMIs, and Arduino/MCUs.
High-accuracy temperature & humidity
VOC & NOx-based air quality monitoring
RS485 Modbus RTU communication
Long-distance up to 1200m
Raw gas outputs + calculated IAQ indices
Industrial-grade performance
Fast response and low drift
Ideal for both indoor and outdoor applications
Ideal for PLCs, IoT gateways, data loggers, and SCADA
Wide Input Voltage: 9V–36V DC
Software Configuration for Modbus ID & Baud Rate
Easy 4-wire Connection: VCC, GND, RS485 A+, RS485 B−
1x 7Semi RS485 Temperature & Humidity Sensor Probe
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Use coupon code 7SEMI to get 10% discount on your first order