49,966 Small Alarm Sensor
results from1,722 suppliers
Small Fire Alarm Electric Buzzer Sensor with Wire (FBELE)
US$ 0.2 / Piece
Min. Order:100 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Digital Type
- Production Process: Injection
- Feature: Conductor
- Material: Stainless Steel
Security Alarm Remote Control Electric Sensor Module with RS485 Chip
US$ 10-20 / Piece
Min. Order:1000 Pieces
- Application: Electronic, Instrument, Position Sensor, Lighting, Submetering System
- Type: Current Transformer
- Phase: Single
- Operation Condition: Outdoor
- Usage: Protection, Measurement, Monitoring
- Winding Form: Small Fixed Type
Mr-5c-55A Door Magnetic Alarm Sensor Manufacturer
Min. Order:10 Pieces
- Type: Proximity Sensor
- Principle: Reed Sensor
- Wires: Two-Wires
- Standard: Standard
- Application: Measuing Instruments
- Size: Small Size
Small Size Cup Accurate Durable High Quality RS485/4-20mA Wind Cup Sensor
US$ 30.64-34.05 / Piece
Min. Order:1 Piece
- After-sales Service: Online Guidance
- Warranty: 1 Year
- Application: Anemometer
- Display: Digital
- Detection Method: Contact
- Connection Type: Wireless Optional
Security Alarm Energy Consumption Monitoring Sensor with Split Core CT
US$ 10-20 / Piece
Min. Order:1000 Pieces
- Application: Electronic, Instrument, Position Sensor, Lighting, Submetering System
- Type: Current Transformer
- Phase: Single
- Operation Condition: Outdoor
- Usage: Protection, Measurement, Monitoring
- Winding Form: Small Fixed Type
Small/Lightweight/ Remote Gas/ Methane Leakage Sensor
US$ 7000-7500 / Piece
Min. Order:1 Piece
- After-sales Service: 1 Year
- Warranty: 2 Years
- Certification: ISO
- Condition: New
- Customized: Customized
- Alarm Form: Sound and Light Alarm
Yoursensor Ys123-Y Small Square Type Photoelectric Sensor with a Detection Distance of 0-20m
US$ 6.3-9 / Piece
Min. Order:10 Pieces
- Type: Gate Photocell
- Usage: Gate Opener Alarm System
- Application: Industry, Special Equipment
- Photocell Wavelength: 940nm
- Waterproof Grade: IP54
- Relay Contact Loading Capacity: 1A/30VDC
Haiwang Digital Sensor Am412 PIR Sensor China LCD Car Parking Sensor Suppliers Mini Small Automatic 110V 220V LED Infrared PIR Motion Sensor OEM Lambda Sensor
US$ 0.1-0.3 / Piece
Min. Order:1000 Pieces
- Function Type: Mixing System, Infrared Range and Communication System, Thermal Imaging System, Search and Tracking System, Radiometer
- Detection Type: Heat Detectors
- Output Signal Type: Analog Type
- Production Process: SemiConductor Integrated
- Material: Metal
- IP Rating: IP56
Small Wind Speed Sensor Wind Direction RS485 Analog High-Precision Meteorological Monitoring
US$ 60 / Piece
Min. Order:1 Piece
- After-sales Service: 1 Year
- Warranty: 1 Year
- Product Name: Wind Speed Alarm
- Display Area: 71*32mm (3-Digit 1-Inch Digital Tube)
- Optional Communication: 4G/Nb-IoT/WiFi/Lora/Ethernet
- Supply Voltage: DC12~24V or AC220V
Mr-5c-53 Cabinet Light Switch Door Contact Alarm Reed Switch Sensor
Min. Order:10 Pieces
- Type: Proximity Sensor
- Principle: Reed Sensor
- Wires: Two-Wires
- Standard: Standard
- Application: Measuing Instruments
- Size: Small Size
Over Current Alarm M Bus CT 100A Split Core AC Current Sensor for Electric Cars Charger Current
US$ 14.25-19.25 / Piece
Min. Order:1 Piece
- Application: Electronic, Instrument, Position Sensor, Lighting, Submetering System
- Type: Current Transformer
- Phase: Single
- Operation Condition: Outdoor
- Usage: Protection, Measurement, Monitoring
- Winding Form: Small Fixed Type
Small Animal Immunity Security Alarm Motion Sensor
US$ 7.5-9.8 / Piece
Min. Order:10 Pieces
- Type: Sensor
- Usage: Anti-theft
- Installation Mode: Contact Type
- Certification: CE
- Application: Home, Industry, Special Equipment
- Shipment: DHL, UPS, FedEx..
CE Standalone Smoke Detector Fire Alarm Detector Smoke Sensor with En14604
US$ 5.2-5.8 / Piece
Min. Order:5 Pieces
- Type: Smoke Detectors
- Anti-theft Alarm System Approach: Active
- Anti-Theft Alarm System Type: Smoke Alarms
- Anti-Theft Alarm System-Wide: Battery Operated Smoke Alarms
- Anti-Theft Alarm System Distance: Power Detector
- Types of Smoke Detectors: Photoelectric Smoke Style
HPC-10 Small Upper Lower Limit Alarm Replacement Electric Contact Intelligent Micro Switch Pressure Liquid Level Temperature Controller Sensor
US$ 30-40 / Piece
Min. Order:10 Pieces
- Type: Explosion-proof Pressure Transmitter
- Structure Type: Diffused Silicon Pressure Transmitter
- Measuring Medium: Liquid
- Accuracy Grade: 0.5G
- Pressure range: 0～1.5kPa
- IP Rating: IP65
Multi Control Home Security Electric Fence Solar Energizer with Alarm Sensors Yet609
US$ 3.8-5 / Piece
Min. Order:2 Pieces
- Type: Sensor
- Usage: Anti-theft, Metal, Gas, Temperature, Liquid
- Installation Mode: Wall Mounted
- Certification: FDA, E-MARK, CE, ISO, FCC, RoHS, DOT, ASTM, AS/NZS, CCC, GS
- Application: Home, Industry, Communication Electronic Products, Special Equipment, Car/Motorcycle
- Packing: 100 PCS/ Carton
IP67 Threaded Temperature Probe Ntc Sensor 10K 50K100K Accuracy 1% Small Appliance Temperature Probe Ntc Temperature Sensor
US$ 0.262 / Piece
Min. Order:1000 Pieces
- Installation Type: Wall-Mounted Type
- Sensing Type: Temperature Sensor
- Contact: Contactless
- Output Signal Type: Analog Type
- Production Process: Normal Wirewound
- Material: Stainless Steel, Brass, Copper Nickel Plated...
Mh-Z14A Small High-Performance Infrared Carbon Dioxide Pressure Detection Sensor
US$ 32-42 / Piece
Min. Order:5 Pieces
- Type: Catalytic Combustion Gas Sensor
- Conductivity Type: Surface Type
- Output Signal Type: Analog Type
- Production Process: Injection
- Material: Ceramics
- IP Rating: IP20
Water Level 0-10V Analog Output Small Beam Angle Ultrasonic Sensor
US$ 50-66 / Piece
Min. Order:10 Pieces
- Type: High Frequency Ultrasonic Sensor
- Output Signal Type: Digital Type
- Production Process: Integration
- Sensitivity: High
- Probe Type: Straight Probe
- Measuring Medium: Wheat, Maize
M12 Thread Plastic Vertical Mounting Level Switch, Low Level Alarm Switch, Continuous Level Sensor
US$ 0.59-0.99 / Piece
Min. Order:10 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Switching Type
- Production Process: Injection
- Material: Plastic
- IP Rating: IP67
Pyroelectric Infrared PIR Motion Sensor Detector Module
US$ 0.2 / Piece
Min. Order:100 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Digital Type
- Production Process: Injection
- Feature: Conductor
- Material: Stainless Steel
Dyp-R01 Thermocouple Ultrasonic Motion Sensor with Small Size and High Performance
US$ 5.1-7 / Piece
Min. Order:2 Pieces
- Type: Waterproof Ultrasonic Sensor
- Output Signal Type: All
- Production Process: Integration
- Sensitivity: High
- Probe Type: Straight Probe
- Measuring Medium: Solid
Flexible Customized AC DC Measurement Smart IC Module Sensor
US$ 10-20 / Piece
Min. Order:1000 Pieces
- Application: Electronic, Instrument, Position Sensor, Lighting, Submetering System
- Type: Current Transformer
- Phase: Single
- Operation Condition: Outdoor
- Usage: Protection, Measurement, Monitoring
- Winding Form: Small Fixed Type
Mr0560 Rectangle Door Reed Switch Magnetic Sensor
Min. Order:10 Pieces
- Type: Proximity Sensor
- Principle: Reed Sensor
- Wires: Two-Wires
- Standard: Standard
- Application: Measuing Instruments
- Size: Small Size
Magnetic Float Type Side-Mount/Top Mount Oil/Fuel/Liquid/Water/Diesel/Gas/Gasoline/Propane/Ethanol High & Low Level Alarm Sensor
US$ 2.59-2.99 / Piece
Min. Order:10 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Switching Type
- Material: Stainless Steel
- IP Rating: IP67
- Certification: ISO
Sentek Small Size Magnetic Contacts Reed Switch Sensor
US$ 0.6-1.2 / Piece
Min. Order:100 Pieces
- Application: Home, Industry, Special Equipment, Car/Motorcycle
- Usage: Door, Window, Auto
- Certification: CE, ISO, RoHS, UL
- Maximum Switching Voltage: 100
- Maximum Switching Current: 0.5
- Color: White, Brown, Grey
Mr-5cps-34b High Reliable Copper Material Normal Closed Magnetic Sensor
Min. Order:10 Pieces
- Type: Proximity Sensor
- Principle: Reed Sensor
- Wires: Two-Wires
- Standard: Standard
- Application: Measuing Instruments
- Size: Small Size
Selectable Output Small Blind Area for Objects Proximity Ultrasonic Proximity Sensor
US$ 9.9-13 / Piece
Min. Order:2 Pieces
- Type: Waterproof Ultrasonic Sensor
- Output Signal Type: Digital Type
- Production Process: Integration
- Sensitivity: High
- Probe Type: Straight Probe
- Measuring Medium: Solid
Holykell Hpt607 Small Hole Borehole Water Level Meter Sensor
US$ 119-199 / Piece
Min. Order:1 Piece
- Type: Submersible
- Contact: Contact
- Output Signal Type: Analog Type
- Production Process: Normal Wirewound
- Feature: 19mm Diameter
- Material: Stainless Steel
Smart Split Core Current RS485 Sensor for Industrial Automation
US$ 10-20 / Piece
Min. Order:1000 Pieces
- Application: Electronic, Instrument, Position Sensor, Lighting, Submetering System
- Type: Current Transformer
- Phase: Single
- Operation Condition: Outdoor
- Usage: Protection, Measurement, Monitoring
- Winding Form: Small Fixed Type
Digital Handheld Single Gas Sensor by ISO Certified Manufacturer
US$ 100-350 / Piece
Min. Order:2 Pieces
- Brand: Aiyi
- Customized: Customized
- Portable: Portable
- Certification: CE, RoHS, ISO
- Gas: Toxic
- Type: Electrochemical Gas Analyzer
Human Body Induction Switch Wired PIR Small Motion Sensor
US$ 5.5-6 / Piece
Min. Order:10 Pieces
- Type: Sensor
- Usage: Anti-theft
- Installation Mode: Wall Mounted
- Certification: CE, RoHS
- Application: Home, Industry, Communication Electronic Products, Special Equipment
- Product: China Manufacturer Wired 12V PIR Sensor, Infrared
Side-Mount NBR/PP/Ss/Bona Float Diesel/Water/Oil/Fuel/Gas/Gasoline/Propane/Ethanol High Level/Low Level Alarm Indicator/Sensor
US$ 2.59-2.99 / Piece
Min. Order:10 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Switching Type
- Material: Stainless Steel
- IP Rating: IP67
- Certification: ISO
Sentek Cheap Small Z-Wave Wide Angle PIR Motion Detector Sensor
Min. Order:100 Pieces
- Application: Home
- Usage: Wall
- Certification: CE
- Position: Wall
- Detector: Passive Infrared
- Power: 3V Battery
M18 Magnetic Pickup Generator Parts & Accessories Running Transmission Rpm Alarm Ohm Switch Brass Speed Sensor
US$ 5-5.4 / pieces
Min. Order:50 pieces
- Usage: Speed Sensor
- Description: M18-1.5 - 68mm
- Warranty: 1 Year
- Theory: Resistance Sensor
- Waranty: One Year
- Output: Analog Sensor
Side-Mount/Top Mount NBR/PP/Ss/Bona Float Diesel/Water/Oil/Fuel/Gas/Gasoline/Propane High Level/Low Level Alarm Sensor
US$ 2.59-2.99 / Piece
Min. Order:10 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Switching Type
- Material: Stainless Steel
- IP Rating: IP67
- Certification: ISO
Dyp-R01 Ultrasonic Sensor Infrared Sensor Tiny Small Size Easy to Install
US$ 5.1-7 / Piece
Min. Order:2 Pieces
- Type: Waterproof Ultrasonic Sensor
- Output Signal Type: All
- Production Process: Integration
- Sensitivity: High
- Probe Type: Straight Probe
- Measuring Medium: Solid
Low Voltage Open and Close Door Magnetic Switch Sensor Proximity Magnetic Switch Sensor Customizable
Min. Order:10 Pieces
- Type: Proximity Sensor
- Principle: Capacitive
- Wires: Two-Wires
- Standard: Standard
- Application: Measuing Instruments
- Size: Small Size
Side-Mount/Top Mount NBR/Ss/Bona Float Diesel/Water/Oil/Fuel/Gas/Gasoline/Propane/Ethanol High Level/Low Level Alarm Sensor
US$ 2.59-2.99 / Piece
Min. Order:10 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Switching Type
- Material: Stainless Steel
- IP Rating: IP67
- Certification: ISO
Small Blind Zone and Long Measuring Range Ultrasonic Sensor for Diatance Measuring
US$ 9.9-13 / Piece
Min. Order:2 Pieces
- Type: Waterproof Ultrasonic Sensor
- Output Signal Type: Digital Type
- Production Process: Integration
- Sensitivity: High
- Probe Type: Straight Probe
- Measuring Medium: Solid
Side-Mount/Top Mount NBR/PP/Bona Float Diesel/Water/Oil/Fuel/Gas/Gasoline/Propane/Ethanol High Level/Low Level Alarm Sensor
US$ 2.59-2.99 / Piece
Min. Order:10 Pieces
- Type: Float
- Contact: Contact
- Output Signal Type: Switching Type
- Material: Stainless Steel
- IP Rating: IP67
- Certification: ISO
