Reference: RBD-2794

Ultrasonic oxygen sensor OCS-3F with LCD and Power Supply

All-in-one Oxygen Monitoring: This complete kit combines the OCS-3F ultrasonic sensor with an LCD display and power supply for convenient oxygen concentration and flow rate monitoring. Enhanced User Experience: The large LCD screen displays real-time oxygen concentration (21% - 95.6%), flow rate (up to 20 L/min), and room temperature for clear and easy...

Reference: RBD-3110

PZEM-004T AC Multi-function Electric Energy Metering Power Monitor with Open CT

2 reviews

Model: PZEM-004T Operating Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Current: 100A Rated power: 100A / 22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0Random: Variants May Include Old or New Capacitor

Reference: RBD-2835

Explosive Gas Sensor Figaro TGS813-A00 Original

The sensor has high sensitivity to gases such as methane, propane, butane and hydrogen. The supply voltage is 24 V. Measuring range is up to 10,000 ppm.

Reference: RBD-3278

INA226 Voltage Current Power Monitoring Module

2 reviews

The INA226 Voltage Current Power Monitoring Module is a high-precision I²C-based sensor designed for real-time voltage, current, and power measurements in electronic circuits. With its high 16-bit ADC resolution, this module ensures accurate and reliable monitoring of power consumption, making it an essential tool for engineers, hobbyists, and...

Reference: RBD-2839

Explosive Combustible Gas Sensor TGS813

1 review

The TGS 813 Combustible Gas Sensor is a versatile and reliable solution for detecting a wide range of combustible gases. With its high sensitivity and long life, this sensor is ideal for applications such as domestic gas leak detectors, portable gas detectors, and more. This is generic TGS813 Manufactured in China

Reference: RBD-3452

WCS1700 Hall Current Sensor Module

The WCS1700 Hall Current Sensor Module is a high-precision, reliable solution for measuring both AC and DC currents with excellent galvanic isolation. Utilizing the Hall effect principle, this module provides a linear analog voltage output directly proportional to the sensed current, ensuring accurate and real-time monitoring.

Reference: RBD-3101

MQ-137 Ammonia Gas NH3 Sensor Module

2 reviews

Wide detecting scope Fast response (less than 1s) High sensitivity( 3%) the circuit voltage: DC5V Stable and long life Operating Voltage is +5V Detect/Measure NH3, Ammonia

Reference: RBD-3453

20-400Hz, 0-5A AC Overcurrent Protection Sensor Module

The 20-400Hz, 0-5A AC Overcurrent Protection Sensor Module is an essential solution for safeguarding AC electrical systems against overcurrent faults. Designed for a wide frequency range and supporting currents up to 5A AC, this module delivers fast and reliable overcurrent detection, ensuring the safety and stability of industrial, commercial, and...

Reference: RBD-3115

MQ-131 Ozone Gas Detector Sensor Module

1 review

Fast response characteristics Mounting holes to facilitate fixed installation The probe can plug design for easy testing. Signal light indicates the output Dual signal output (analog output, and TTL-level output) TTL output valid signal is low; (low output signal light, can be accessed by the microcontroller IO port)

Reference: RBD-3559

DC 0-100V 10A Voltage and Current Dual LED Display Panel Meter

Operating current: 20mA Operating voltage: DC 4.5 ~ 30V Minimum resolution(V): 0.1V Minimum resolution(A): 0.01A Display color: Red and Blue (two-color display) Measure accuracy: 1% Dual Led 0.28 ” Display for DC0-100V 10A Voltage and Current Test Digital Instrument, Digital Meter Panel Amplifier Red Blue 10A

Reference: RBD-3116

MQ-214 Methane Sensor Combustible Gas Sensor

1 review

The MQ-214 methane (CH4) gas sensor is specifically designed for the accurate detection of methane concentrations in the air, delivering analog voltage outputs proportional to gas levels. Renowned for its wide detection range, rapid response time, high sensitivity, and long-term durability, this sensor is an excellent solution for gas leakage detection in...

Reference: RBD-3168

Figaro TGS2603 Unpleasant Odors Stale Food Air Pollution Sensor

The Figaro TGS2603 is a semiconductor sensor designed to detect unpleasant odors, air pollution, and stale food. With its high sensitivity and reliable performance, it is ideal for a variety of environmental monitoring and air quality applications. This compact sensor operates on a 5V supply voltage and outputs an analog signal, making it easy to...

Reference: RBD-3283

Base PCB Board MQ Gas Sensors

1 review

The Base PCB Board for MQ Gas Sensors is a dedicated platform designed to provide a quick and easy way to interface MQ-series gas sensors (MQ-2 to MQ-9) with microcontrollers and embedded systems. This board simplifies the wiring and operation of MQ gas sensors, making them plug-and-play for various air quality monitoring and gas detection applications.

Reference: RBD-3284

MC105 Methane Gas Sensor Module

The MC105 Methane Gas Sensor Module is a high-precision catalytic-type sensor designed for detecting combustible gases such as methane (CH4), propane (C3H8), LPG, and CO. It operates using a catalytic combustion principle, where a test element reacts to combustible gases and changes its resistance, generating a proportional voltage output that represents...

Reference: RBD-3307

ZE08-CH2O Formaldehyde Concentration Measurement Module

1 review

The ZE08-CH2O Formaldehyde Concentration Measurement Module is a compact electrochemical sensor designed for precise formaldehyde (CH2O) detection in the air. Utilizing electrochemical principles, this module offers high selectivity, stability, and reliability, making it an ideal choice for air-quality monitoring, smart home applications, and industrial...

Reference: RBD-3347

Brand: DFRobot

Fermion MEMS Odor Smell Gas Detection Sensor

2 reviews

Fermion: MEMS Odor Smell Gas Detection Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (＜20mA), minimal heat generation, short preheating time, and swift response recovery. The sensor can qualitatively measure odor gas concentration, suitable...

Reference: RBD-3348

Brand: DFRobot

Fermion MEMS Methane CH4 Gas Detection Sensor

1 review

Fermion: MEMS Methane CH4 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (＜20mA), minimal heat generation, short preheating time, and swift response recovery. The sensor can qualitatively measure methane gas concentration and...

Reference: RBD-3349

Brand: DFRobot

Fermion MEMS Smoke Gas Detection Sensor

Fermion: MEMS Smoke Gas Detection Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (＜20mA), minimal heat generation, short preheating time, and swift response recovery. The sensor can measure smoke concentration qualitatively and is suitable...

Reference: RBD-3351

Brand: DFRobot

Fermion MEMS Nitrogen Dioxide NO2 Gas Detection Sensor

1 review

Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (＜20mA), minimal heat generation, short preheating time, and swift response recovery. The sensor can qualitatively measure the concentration of...

Reference: RBD-3399

MQ-9 Gas Sensor Module Carbon Monoxide Flammable Gas Sensing

Good sensitivity to CO/Combustible Gas High sensitivity to Methane, Propane, and CO Long life and low cost Simple drive circuit Input voltage: DC 5±0.2V Current Consumption: 150mA