Industry · Special Equipment · CE
4-Wire 220V Security Alarm Network Photoelectric Smoke & Heat Alarm Detector for Alarm System
US$ 10.12-10.85
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Introduction
220V AC Power 4-Wire smoke alarm with relay output is common used for industrial control equipment, power cubicle, charging pile, alarm bell etc fire warning system. This smoke alarm has the characteristics of high sensitivity, stability and reliability, small power consumption and d
- Shenzhen Xinhean Technology Co., Ltd.
-
- Guangdong, China
- Contact Now
Wall Mounted · Home · CE
Ksmt Tuya Smart Zigbee Siren Sensor with Temperature and Humidity Sensor
US$ 14-15.68
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
Communication mode: Zigbee 3.0
USB power supply: 5V / 1A
Battery specification: 3V CR123A * 2pcs (optional)
Alert volume: 90db
Operating temperature: 0ºC 40ºC (32°F 104°F)
Working Humidity: 20% 85%
Function:make sound and lighting when triggered, detect temperature and humidi
- Wenzhou Kaisi Electric Co., Ltd.
- Zhejiang, China
- Contact Now
FCC · Industry · CE
Smart Zigbee Smart Temperature and Humidity Sensor with LCD Display Available Battery Powered
US$ 16.8-18.02
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
Basic Information Of The Temperature And Humidity Sensor:
Wireless Protocol:
Zigbee
Working Voltage:
3V
Undervoltage Alarm:
Supported
Dimensions:
φ61.2mmx23mm
Transmission Frequency:
2.4GHz
Working Temperature:
-10ºC to +55°C
Features:
1.Tuya Smart ZigBee Temperature
- Ningbo Red Belt Trading Co., Ltd.
- Zhejiang, China
- Contact Now
Smoke Alarm · Home · Ceiling Mounted
Conventional Photoelectric Smoke Sensors (non-addressable) 2-Wire Fire Alarm Smoke Detector
US$ 3.5-4.8
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
INSTALLATION AND MAINTENANCE INSTRUCTIONS
Conventional Photoelectric Smoke Sensors
SPECIFICATIONS
Operating Voltage Range: 9 to 28VDC Volts Non-polarized
Standby Current: ≤60µA @ 24 VDC
Maximum Alarm Current (LED on: ) ≤30mA @ 24 VDC
Operating Humidity Ra
Sensor · Car/Motorcycle · Liquid
Temperature Sensor Tuya Zigbee Smart Infrared Thermometer Digital Thermometer
US$ 10.99-12.99
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
Parameter:
Wireless Technology
ZigBee
Working Voltage
3V
Transmission Frequency
2.4GHz
Working Temperature
-10ºC to +55°C
Undervoltage Alarm
Supported
Dimensions
37*11.6
Tuya Smart ZigBee Smart Temperature And Humidity Sensor 2MQTT Setup Available Battery Powered ZigBee Smart H
- Ningbo Red Belt Trading Co., Ltd.
- Zhejiang, China
- Contact Now
Sensor · Car/Motorcycle · Liquid
Temperature Controller Infrared Thermometer Smart Zigbee Digital Thermometer Sensor
US$ 18.99-25.99
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
Parameter:
Wireless Technology
ZigBee
Working Voltage
3V
Transmission Frequency
2.4GHz
Working Temperature
-10ºC to +55°C
Undervoltage Alarm
Supported
Dimensions
61.2mmx23mm
Smart ZigBee Smart Temperature And Humidity Sensor With LCD Display 2MQTT Setup AvailableBattery Powered
- Ningbo Red Belt Trading Co., Ltd.
- Zhejiang, China
- Contact Now
Industry · Special Equipment · CE
220V 4-Wire Optical Smoke Detector for Fire Alarm with Relay Output
US$ 10.12-10.85
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Introduction
220V AC Power 4-Wire smoke alarm with relay output is common used for industrial control equipment, power cubicle, charging pile, alarm bell etc fire warning system. This smoke alarm has the characteristics of high sensitivity, stability and reliability, small power consumption and d
- Shenzhen Xinhean Technology Co., Ltd.
-
- Guangdong, China
- Contact Now
Ceiling Mounted · ISO · Industry
Small Project Conventional Smoke Detector
US$ 12-15
/ Piece
2 Pieces (MOQ)
2 Pieces (MOQ)
Detailed Images
Product Description
Conventional Fire Alarm Photoelectric Smoke Detector Model:AW-CSD381
AW-CSD381 is a conventional photo-electronic smoke detector that uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be
FCC · Industry · CE
Smart Zigbee Smart Temperature and Humidity Sensor with LCD
US$ 15.8-18.02
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
Basic Information Of The Temperature And Humidity Sensor:
Wireless Protocol:
Zigbee
Working Voltage:
3V
Undervoltage Alarm:
Supported
Dimensions:
φ61.2mmx23mm
Transmission Frequency:
2.4GHz
Working Temperature:
-10ºC to +55°C
Features:
1.Tuya Smart ZigBee Temperature
- Ningbo Red Belt Trading Co., Ltd.
- Zhejiang, China
- Contact Now
Handheld · RoHS · CE
High Sensitivity Enhanced Nonlinear Junction Detector Strong Semiconductor Recognition Penetrating Electronic Devices
US$ 19999-21999
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
High Sensitivity Enhanced Nonlinear Junction Detector Strong Semiconductor Recognition Penetrating Electronic Devices AT-801
Enhanced Nonlinear Junction Detector integrates a wireless signal detection unit on top of the Nonlinear Junction Detection Unit for detecting eavesdropping and bugging elec
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What types of materials are commonly used in manufacturing probes and sensors?
Probes and sensors are typically crafted from materials such as metal, plastic, or ceramic. Each material has its own unique advantages in terms of durability, sensitivity, and performance. It's recommended to consult with a reputable manufacturer for specific material recommendations.
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How can I identify reliable suppliers for probes and sensors in China?
Seeking reliable suppliers in China can be done by leveraging online B2B platforms, attending industry exhibitions, and conducting due diligence through supplier verification. Reputable manufacturers can provide certifications and product samples to validate their quality.
-
What are the benefits of procuring probes and sensors wholesale?
Acquiring probes and sensors in bulk offers advantages such as cost savings, volume discounts, and consistent product quality. Wholesale purchases provide flexibility for customization and enable access to a diverse range of options to meet various security and protection needs.
Ceiling Mounted · Home · Temperature
Addressable Heat Detector in Fire Extinguisher for Alarm System
US$ 8.2
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Instruction manual of H-6002 heat detector
A. Features
1.Built-in product ID code
2.Using hardware and software filtering to improve the anti-interference ability of the temperature detector
3.2 bus, linkage type,nonpolarity
4.Advanced electronic code technology improves the flexibility of co
FCC · Industry · CE
Tuya Smart Zigbee Smart Temperature and Humidity Sensor Battery Powered Security
US$ 8.9-10.08
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
Basic Information Of The Temperature And Humidity Sensor:
Size
37*11.6mm
Battery
CR2032 battery
Temperature detection range
-10ºC ~ +55°C
Humidity detection range
0%~95%RH
Temperature detection accuracy
±0.5ºC
Humidity detection accuracy
±3%
Wireless p
- Ningbo Red Belt Trading Co., Ltd.
- Zhejiang, China
- Contact Now
Sensor · Home · CE
Ksmt Smart Zigbee PIR Motion Sensor with Temperature and Humidity Sensor
US$ 16.4-18.45
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
Zigbee PIR Motion Detector with temperature and humidity Sensor
Communication mode: Zigbee 3.0
Power supply: USB 5V-1A
Standby power supply: 3V CR123A * 2pcs (optional)
Standby time: 1 year
Induction distance: 12 m
Detection Angle: 120ºC
Why Choose US?
We have the most adva
- Wenzhou Kaisi Electric Co., Ltd.
- Zhejiang, China
- Contact Now
CE · Industry · RoHS
2-Wire Conventional Smoke Detector UL and En54 Approved
US$ 1
/ Piece
2000 Pieces (MOQ)
2000 Pieces (MOQ)
UL, EN54, BSI approval, 2-wire: DC 10.8-33V, 4-wire: DC 12V,24V,48V; Available with Remote LED Output or Relay Output Function; High Immunity against unwanted alarms.
SNC-300 non-addressable photoelectric smoke detectors are state-of-the-art detectors suitable for connection to 2-wire or 4-wire no
- Ningbo Ambest Electronics Co., Ltd.
-
- Zhejiang, China
- Contact Now
Ceiling Mounted · ISO · Industry
Conventional Hard Wired Smoke Detector for Fire Alarm and Detection System
US$ 12-15
/ Piece
2 Pieces (MOQ)
2 Pieces (MOQ)
Detailed Images
Product Description
Conventional Fire Alarm Photoelectric Smoke Detector Model:AW-CSD381
AW-CSD381 is a conventional photo-electronic smoke detector that uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be
Sensor · Car/Motorcycle · Liquid
Top Quality Smart Zigbee Smart Temperature and Humidity Sensor with LCD Display
US$ 3.99-15.99
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
Wireless Technology
ZigBee
Working Voltage
3V
Transmission Frequency
2.4GHz
Working Temperature
-10ºC to +55°C
Undervoltage Alarm
Supported
Dimensions
φ61.2mmx23mm
2MQTT Setup AvailableBattery Powered
Features:
1,Tuya Smart ZigBee Temperature and HumiditySensor:A Tuya Zi
- Ningbo Red Belt Trading Co., Ltd.
- Zhejiang, China
- Contact Now
Wall Mounted · Industry · CE
One Beams Alarm Infrared Detector Ax-25kd
US$ 7.50
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
One Beams Alarm Infrared Detector AX-25KD
Description:
ALARM SYSTEM UNIVERSAL INFRARED SENSORS FOR AUTOMATIC DOORS (AX-25KD)
AX-25KD detection range: 25m
UNIVERSAL INFRARED SENSORS FOR AUTOMATIC DOORS
Model: AX-25KD
Maximum detection range: 25M
Power supply: DC12V/AC24V
Input: RX 15mA-
- Shenzhen Taian Electronics Co., Ltd.
-
- Guangdong, China
- Contact Now
Pump Suction Gas Detector for Toxic/Harmful Gas
US$ 1000
/ Set
1 Set (MOQ)
1 Set (MOQ)
S311 Pump Suction Gas Detector
Brief Description:
It uses the detection principle of semiconductor or toxic gas, which is more suitable for finding and detecting the location of leaking gas. It is small in size, easy to operate and carry, and can also be equipped with a flexible probe, which f
- Chongqing Jiuxin Automation Technology Co., Ltd
-
- Chongqing, China
- Contact Now
FCC · CE · Probe
Handheld Liquid Explosive Detection Systems (LEDs) for Security Checkpoints
1 Piece (MOQ)
Handheld Liquid Explosive Detection Systems (LEDS) for use at Security Checkpoints
SP-1500 is a portable bottle liquid explosive detector to Identify chemical composition of liquids, which is sealed in bottle or can, small size, high speed analysis, easy to operate, No radiation, harmless to people
Liquid · Special Equipment · Handheld
Airport Dangerous Liquid Scanner SPL-1500 Hand-held Liquid Detector
US$ 700-750
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Airport Dangerous Liquid Scanner SPL-1500 Hand-held Liquid Detector
SPL-1500 is a portable bottle liquid explosive detector to Identify chemical composition of liquids, which is sealed in bottle or can, small size, high speed analysis, easy to operate, No radiation, harmless to people and test samp
CE · Industry · RoHS
Conventional / Addressalbe Smoke Detector UL and En54 Approved
US$ 1
/ Piece
2000 Pieces (MOQ)
2000 Pieces (MOQ)
UL, EN54, BSI approval, 2-wire: DC 10.8-33V, 4-wire: DC 12V,24V,48V; Available with Remote LED Output or Relay Output Function; High Immunity against unwanted alarms.
SNC-300 non-addressable photoelectric smoke detectors are state-of-the-art detectors suitable for connection to 2-wire or 4-wire no
- Ningbo Ambest Electronics Co., Ltd.
-
- Zhejiang, China
- Contact Now
Anti-theft · CE · Special Equipment
Security Alarm One Beam Ifrared Detector Ax-25kd
US$ 8.00
/ Pair
100 Pairs (MOQ)
100 Pairs (MOQ)
Security Alarm One Beam Ifrared Detector AX-25KD
Specification:
ALARM SYSTEM UNIVERSAL INFRARED SENSORS FOR AUTOMATIC DOORS (AX-25KD)
UNIVERSAL INFRARED SENSORS FOR AUTOMATIC DOORS
Maximum detection range:
25M
Power supply:
DC12V/AC24V
Input:
RX 15mA-TX 30mA
Aarm period:
2 sec. (1) n
- Shenzhen Taian Electronics Co., Ltd.
-
- Guangdong, China
- Contact Now
Handheld · ISO · Industry
Chemical Toxicant Detection for Station, Airport Use
US$ 10000-20000
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Description
Inhaling air samples in crowded places, qualitative alarms are used to identify the presence and type of chemical agents.
Characteristic
Technology: Ion Mobility Spectrometry (IMS)
Sampling method: Take through the suction outlet
System:Can detect. chemical toxicant
- Shenzhen Xinyuantong Electronics Co., Ltd.
-
- Guangdong, China
- ISO9001:2015, ISO45001:2018, ISO14001
- Contact Now
Miniaturized Non-Linear Node Detector
US$ 8000-9900
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Miniaturized non-linear node detector
Introduction
A miniaturized non-linear node detector that detects hidden walls and walls
Electronic equipment in floors, ceilings, lamps, furniture or containers, regardless of whether they are
Whether to send signals, whether to switch machines, and through
Wall Mounted · ISO · Home
DC12V Wired Photoelectric Smoke Detector for Alarm Intruder System / Smoke Alarm Detector/Fire Smoke Detector
US$ 4-8
/ Set
100 Sets (MOQ)
100 Sets (MOQ)
Wired Photoelectric Smoke Detector
Features:
Wired Photoelectric Smoke Detector(4Wires)
Strong adaptability for circumstance;
SMT design,High stability;
9-24VDC Wide Voltage operating range;
Low standby current; Power supply Non-polarized input;
Twin Led for 360° visual;
Flashing
Anti-theft · Special Equipment · Industry
Top Quality Smart Zigbee Sensor Smart Temperature and Humidity Sensor
US$ 1.99-10.99
/ Piece
10 Pieces (MOQ)
10 Pieces (MOQ)
Battery type:
CR2032
Temperature detection range:
-10ºC ~ +55°C
Humidity detection range:
0%~95%RH
Temperature detection accuracy
±0.5ºC
Humidity detection accuracy:
±3%
Wireless protocol:
ZigBee
Product size:
37*11.6mm
Tuya Smart ZigBee Smart Temperature
- Ningbo Red Belt Trading Co., Ltd.
- Zhejiang, China
- Contact Now
CE · Industry · ISO
48V, Conventional Smoke Detector with Relay Output
US$ 1
/ Piece
2000 Pieces (MOQ)
2000 Pieces (MOQ)
SNC-300 non-addressable photoelectric smoke detectors are state-of-the-art detectors suitable for
connection to 2-wire or 4-wire non-addressable fire detection control and indicating equipment.
Advanced electronics in conjunction with a photoelectric smoke sensing chamber provide early detection
- Ningbo Ambest Electronics Co., Ltd.
-
- Zhejiang, China
- Contact Now
Sensor · Special Equipment · Wall Mounted
UV260nm IR3.8um Explosion Proof Uvir3flame Fire Detector
US$ 1338-1458
/ Piece
1 Piece (MOQ)
1 Piece (MOQ)
Product Description
AW-FD705E-UVIR3
The detector AW-FD705E-UVIR3 combines the latest 4 spectral ranges of ultraviolet and infrared detection technologies to provide accurate and reliable fire detection, and the patented signal processing algorithm can eliminate false alarm to against wrong light s
Binary Channel Vehicle Loop Detector for Car Parking Barrier Gate
US$ 35-42
/ Set
1 Set (MOQ)
1 Set (MOQ)
Product Description
GVD3 series loop detectors are our popular products for access control and are widely used at industry door for vehicle detection to realize door opening function, also at the barrier gate and toll gate . The loop detector have automatic reset & manual reset function and sensiti
- TIANJIN G-TEK SENSOR TECHNOLOGY CO., ...
-
5(5.0)
"On-time Delivery"On-time Delivery - Tianjin, China
- ISO9001:2015, ISO45001:2018, ISO14001, Others
- Contact Now
Contact Type · Special Equipment · Home
Heat Cable Linear Heating Fire Cable Linear Heat Detection System
US$ 2.2-6
/ Piece
100 Pieces (MOQ)
100 Pieces (MOQ)
Product Description
Specification
Linear heat cable
Compared with other kind of detectors, Digital Linear Heat Detector provides avery-early alarm detecting function to the protected environment, the
detector can be known as an intelligent "switch" type detector. The polymersbetw
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