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Shenzhen Qinda Electronics Co., Ltd.
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Multi in One Environmental Parameter Sensor PM2.5 Carbon Dioxide CO2 Ozone Formaldehyde TVOC Wall Mounted
$18.78-54.17
Min. order 1 piece
Temperature and Humidity Transmitter Probe RS485 Acquisition Module Waterproof Industrial air Sensor Monitoring
$2.72-8.88
Min. order 20 pieces
4-channel Serial Port Relay Output Module Switch Quantity Acquisition Relay 12v Industrial Controller Switch 485
$9.50-10.33
Min. order 2 pieces
RS232 to RS485 Isolation Type RS485 to 232 Hub 485 to 485HUB Industrial Grade Optoelectronic Isolation
$6.34-8.15
Min. order 5 pieces
