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top saler
TB445 PT100 Thermal Resistance Collector
$4.18
PT22B01 DC 12V -40~220 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
$3.25
N46IB02 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module 12Bit ADC Board Modbus RTU PLC
$3.48
TB445_B PT100 Thermal Resistance Collector
$4.18
PTA9B01 -20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus RTU
$4.65
RT38B01 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus
$10.96
New Products [more]
RC43A04 for RF33A04 433M 4 Key Rolling Code remote controller
$5.59
N438B08 8CH DC 12V RS485 Relay PC UART Serial Port Switch RTU 03 06 16 Function Code DIN Shell Switch Board
$16.81
RC43A04 RF33A04 433M 4 Key Rolling Code Keeloq Controler HCS301 Rolling Code Keyfob Transmitter Board For Door Motor Garage LED
$13.28
N223B08 DC12V 8CH 2 IN 1 RS232/TTL232 PC UART Relay Module Serial Pport Remote Control Switch For PLC Camera Industrial Control System
$15.64
N223B08 DC12V 8CH 2 IN 1 RS232/TTL232 PC UART Relay Module Serial Pport Remote Control Switch For PLC Camera Industrial Control System
$13.30
ND04BOTA 7.5V High Power 60W DC 3.7-20V To 7.5V Step-Up Boost DC DC Converter Module For Zigbee Solar Panel
$2.78
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UART 485/232/TTL
RS485 Modues & relays
RS485 Modues & relays
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CAN4A02 CAN to RS485 Transparent Transmission Converter Field Bus Signal to RS232(TTL) Module for CNC Car Automated Industry PLC Relay
$10.96
R414A01 DC 5V-23V RS485 Modbus RTU Temperature And Humidity Sensor Remote Acquisition Monitor Replace DHT11 DHT22 DS18B20 PT100
$10.96
PTA8C04 12V 4CH DC 12V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$10.96
PTA8C04 4CH DC 24V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$10.96
PTA8C04 4CH DC 24V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$10.96
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$10.96
PTA8C04 12V 4CH DC 12V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$10.96
RT88H01 868M DC 5-12V 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading
$11.43
N4AIB16 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
$12.13
R4D7G04 DC 24V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
$12.13
R4D7G04 DC 12V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
$12.13
N4DBA06 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
$12.13
R4DIK04 12V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$12.13
R4DVI04 12V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$12.13
R4DVI04 24V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$12.13
R4DIK04 24V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$12.13
R421A08 8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera
$12.13
ET69C02 Only Board Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server MQTT PLC
$12.13
PTA8C04 4CH DC 12V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$12.13
PTA8C04 4CH DC 24V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$12.13
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$12.13
PTA8C04 4CH DC 24V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
$12.13
NT28B16 50K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.13
NT28B16 20K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.13
NT28B16 100K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.13
NT28B16 10K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
$12.13
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
$12.60
R4DIK04 12V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$13.30
R4DIK04 24V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$13.30
R4DVI04 12V_R 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$13.30
R4DVI04 24V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
$13.30
ET69C02 with Rail Box Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave TCP Client Server MQTT PLC
$13.30
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$13.30
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$13.30
R4D1C32 DC 6.5-30V 32CH DIN35 C45 Rail Box RS485 Modbus RTU Controller 300MA Driver Module For PLC Relay Switch LED Motor
$13.30
R4D7G04 DC 12V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
$13.52
R4D7G04 DC 24V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
$13.52
N4DBA06_R 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
$13.54
N4AIC24 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
$14.47
N4A7K16 7AI-1VI -4DI -16DO 24CH Digital Analog Mixed Acquisition Module RS485 Remote I/O Module 0-20MA 4-20MA 0-10V 0-30V Current Voltage ADC Collector
$14.47
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