OFFICIAL PRODUCT DOCUMENTATION / ENGLISH

GMD-350B Product Manual

View the current English PDF manual for GMD-350B, review available product information, and contact Winsen for engineering and sensor selection assistance.

Model: GMD-350BCurrent PDFFree AccessVOC
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03 / PRODUCT INFORMATION

About GMD-350B

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04 / STRUCTURED PRODUCT DATA

Key technical specifications

Operating Humidity15–90% RH non-condensing
Output / CommunicationUART / I²C via pin selection
Warm-up / Preheat Time≤3 min
Detection / Measurement Range0–5 ppm
Recovery Time≤60 s (Quick Mode)
Resolution0.01 ppm
Response Time (T90)≤60 s (Quick Mode)
Operating Temperature-20–50°C
Working / Supply Voltage3–5 V
Detection PrincipleMEMS VOC / integrated temperature and humidity
Operating ModesFour built-in modes
Other Key SpecificationsPin Configuration: Pin1 and Pin2 VCC; Pin3 capacitor 1µF to GND; Pin4/8 GND; Pin5 SDA/TXD; Pin6 SCL/RXD; Pin7 selects I²C/UART; Operating Modes: Four built-in modes
Pin ConfigurationPin1 and Pin2 VCC; Pin3 capacitor 1µF to GND; Pin4/8 GND; Pin5 SDA/TXD; Pin6 SCL/RXD; Pin7 selects I²C/UART
Product FormSensor

See the current PDF above for complete specifications, options and handling instructions.

PRODUCT CLASSIFICATION
Product category
VOC Sensor
Detection target
VOC
Sensing principle
MEMS VOC / integrated temperature and humidity
Applications
便携监测, 智能家居, 空气质量设备
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