ระบบตรวจสอบสิ่งแวดล้อม

Environmental Monitoring Sensors , Water Sensor Switch For Alarming Water Level Inside Cabinet Quick Details: Place of Origin: Shenzhen, China (Mainland) Voltage: 5-15 VDC Brand Name: ESTEL Power: ≤0.5W Product Name: W01-A1 Alarming water level: 5mm Certification: ISO9001, CE, 3C, FCC, TLC Working temperature: -20°C ~ 70°C Application: Outdoor Telecom Cabinet Working humidity: 0% ~ 95% Communication mode: contact output Payment & Shipping Terms Minimum Order Quantity: 1 set

High precision Environment Monitoring System Smoke Sensor Energy Saving Quick Details: Place of Origin: Shenzhen, China (Mainland) Voltage: 5-24 VDC Brand Name: ESTEL Power: ≤1W Product Name: S01-A1 Working Temperature: -20°C ~ 70°C Certification: ISO9001, CE, 3C, FCC, TLC Working Humidity: 0% ~ 95% Application: Outdoor Telecom Cabinet Communication Mode: contact output Payment & Shipping Terms Minimum Order Quantity: 1 set Price: negotiation Payment Terms: L/C, D/A, D/P, T/T

Environment Monitoring System Door Sensor For Door Open Alarm / Controlling LED Lamp On Off​ Quick Details: Place of Origin: Shenzhen, China (Mainland) Contact power: ≤10W Brand Name: ESTEL Voltage: ≤28VDC Product Name: KBM-133W Current: ≤0.5A Certification: ISO9001, CE, 3C, FCC, TLC Contact Impedance: ≤300mΩ Application: Outdoor Telecom Cabinet Action Distance: 35mm Safety Standard(UL):94-HB Fixing Mode: embedded Payment & Shipping Terms Minimum Order Quantity: 1 set Price:

Remote Monitoring Environment / Security Monitoring System Support RS485 RS232 Quick Details: Place of Origin: Shenzhen, China (Mainland) Communication Interface: RS485, Ethernet, RS485/232 multiplex Brand Name: ESTEL Analog Input: four ways Model Number: NEM-500 Digital Input: eight ways Product Name: Environment Monitoring System Dry contact (relay) output:eight ways Certification: ISO9001, CE, 3C, FCC, TLC Operating Voltage: 85 VAC~300 VAC, or 20 VDC~ 60 VDC Application: