G02-VOC-B3 TVOC monitor/alarm | Tongdy®

Product catalog summary

Overview: The G02-VOC-B3 Series is an indoor air quality monitor and alarm system designed for real-time detection of air quality, temperature, and humidity. It features a three-color LCD backlit display and can be mounted on a desktop or wall.

Key Features:

Real-time monitoring of indoor air quality with high sensitivity to VOCs and other gases.
Temperature and humidity detection with display.
Three-color backlit LCD indicating optimal (green), moderate (orange), and poor (red) air quality.
Buzzer alarm with preset warning points.
Relay output for controlling a ventilator.
Optional Modbus RS485 interface for communication.
Power options include 220VAC or 24VAC/VDC, with desktop and wall mounting capabilities.
CE-approved and compliant with EU standards.

Applications: Suitable for use in homes, offices, classrooms, restaurants, and other public spaces for air quality detection and alarm, as well as integration with ventilation and air cleaning systems.

Specifications:

Gas Detection: Sensitive to VOCs, cigarette smoke, ammonia, hydrogen sulfide, carbon monoxide, and other harmful gases.
Sensing Element: Semiconductor mix gas sensor with a 5-year lifespan.
Signal Update: Every 1 second.
Warm-up Time: 72 hours initially, 1 hour for normal operation.
VOC Measuring Range: 1-30 ppm with a resolution of 0.1 ppm.
Temperature & Humidity Sensor: NTC 5K and capacitive sensor with specified accuracy and stability.
Output: 1x relay output for ventilator control, max current 3A at 220VAC.
Operation Conditions: -20℃ to 60℃, 0 to 95% RH.
Storage Conditions: 0℃ to 50℃, 5 to 90% RH.
Dimensions: 130mm x 85mm x 36.5mm, Net Weight: 190g.
Power Supply: 24VAC/VDC or 230VAC, with a consumption of 2.8W.

Models:

G02-VOC-B320A: Wall-mounted, 230VAC.
G02-VOC-B332C: Desktop with bracket, 24VAC/VDC.
G02-VOC-B340A: Wall-mounted with touch-key, 230VAC.
G02-VOC-B310C: Wall-mounted with Modbus RS485, 24VAC/VDC.
G02-VOC-B380A: Wall-mounted with touch-key and Modbus RS485, 230VAC.

Mounting and Wiring: The device can be mounted using a wall mount plate or desktop bracket. Wiring diagrams are provided for power supply and RS-485 connections.

Catalog excerpts

G02-VOC-B3 TVOC monitor/alarm | Tongdy®-1

Room IAQ Monitor / Alarm Model#:G02-VOC-B3 SERIES Indoor Air Quality + Temperature +Humidity Detection Three-color LCD backlit, Desktop or Wall Mounting High sensitivity to VOC and other indoor contaminative gases Temperature and humidity detection and display Three-color backlit LCD and buzzer alarm Provide 1 xon/off output to control a ventilator Modbus RS485 interface optional Real time indoor air quality detection and alarm Excellent performance Real time monitor ambiance air quality Semiconductor mix gases sensor with 5 year life Provide one relay output to control a ventilator Gas detection: cigarette smoke, VOCs such as Modbus RS485 communication optional formaldehyde and toluene, ethanol, ammonia, High quality technics and elegant appearance, hydrogen sulfide, sulfur dioxide and other harmful best choice for home and office Monitor temperature and relative humidity adaptor available; desktop and wall mounting type backlit indicating air quality at optimal/moderate/poor 220VAC or 24VAC/VDC power selectable; power Preset warning point of buzzer alarm and IAQ is a comprehensive index, including room temperature, humidity, fresh air, and diverse air contaminants of low concentration. Monitoring IAQ is very important to guarantee healthy life and work. Air pollution caused by

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G02-VOC-B3 TVOC monitor/alarm | Tongdy®-2

decoration, paints on new furniture, smoke from cigarette or cooker and life or office scrap has become an invisible killer of human life, especially to the infant, the pregnant and the old, it can also cause nerve disorder or weak immunity, which is a potential danger to health. So the key point is to monitor and control the environment we live in, and make invisible pollution visible. As there are many kinds of harmful gases in the air, it become really cost to monitor every single kind of air. It is recommended that CO and IAQ be monitored at home, and CO2, CO and VOCs in classroom and office....

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G02-VOC-B3 TVOC monitor/alarm | Tongdy®-3

Modbus protocol with 19200bps Operation condition Storage conditions Installation standard Desktop or wall mount (65mm×65mm or 85mmX85mm or 2”×4” wire box) Wiring standard Wire section area <1.5mm Power supply Quality System PC/ABS fire-proof, IP30 protection Three-color backlit LCD, buzzer 230VAC alarm 24VAC/VDC, with DC Three-color backlit LCD, buzzer socket and a power alarm adaptor Three-color backlit LCD, buzzer alarm; 1 on/off output; touch-key 230VAC for operation IAQ, temperature and humidity monitor/alarm IAQ, temperature and humidity monitor/alarm IAQ, temperature and humidity monitor/controller...

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