Best Taiss Current Sensors in 2025

Ultrasonic hc-sr04 distance measuring transducer sensor

HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives echo from an object.

~Power supply: 5V DC; quiescent current: less than 2mA; effectual angle: less than 15°; distance: 2cm500cm; resolution: 0. 3 cm~

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.

Self-powered, no external power supply required

Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%

Special attention：If you are not clear about the product connection method, please refer to the wiring diagram of this product.If you receive a switch that is incompatible with your application or does not work properly, please contact us by email in time, and we will solve your problems for you.

Output Current: 2A； Detection distance: 3m； Response Time: < 30ms； Induction Frequency: 200HZ.

Body Size: 2.00x1.98x0.75 inch ; Weight: 185g.Special note: If this photoelectric switch is used to control the alarm system, please install it together with the relay. Otherwise, the switch will not work.

Approvals: CE, UL, CSA, NSF

Electrical Ratings: 240 VAC, 0. 14A; 120 VAC, 0. 28A; 120 VDC, 0. 07A; 24 VDC, 0. 28A

Stem Material: Polypropylene

【High Quality】: Brass nickel-plated shell, not easy to rust and fade. With 115CM high-quality copper wire, strong and durable, and excellent electrical conductivity.

【Sensitive Detection】: ABS material detection surface, the built-in intelligent sensing chip of the proximity switch can sensitively detect objects, when proximity switch is close to single target object, it will send control signal.

【Strong anti-interference】：TVS tube protection, strong anti-interference ability. Non-contact output, and long service life.

[PACKAGE INCLUDED] 3pcs HC-SR04 distance measurement module & 3pcs mounting bracket for installation

[FEATURE] These module is for distance measuring transducer that working with ultrasonic, they consist of ultrasonic transmitter, receiver, and control circui

[FUNCTIONAL PARAMETER] Effectual Angle: <15 degree ; Detection Distance : 2cm~450 cm ; Resolution : 0.3 cm. Power Supply : 5V DC ; Quiescent Current : <2mA ;

Product Name：Inductive Proximity Switch; Wire Type : DC 3 Wire Type (Black, Brown, Blue);Switch Appearance Type : Cylinder Type

Supply Voltage : DC 6-36V;Current Output : 300mA;Detect Object : Iron

Model: LJ12A3-4-Z/BY;Theory : Inductive Sensor;Output Type: PNP NO;Diameter of Column Sensor: 12mm;Detecting Distance : 4mm

Why We Must Have -- Brake pressure was transmitted by brake fluid, the pressure transmission will be out of function once brake fluid including too much water. In order to safe-driving, we must test water ratio scale in brake fluid regularly. The brake fluid tester helps us do current maintenance, make sure we drive in safe condition.

Premium Design -- 250mm Goose Neck Probe provides flexibility on detection, with its chromed surface, can be resistant to oils and oxidation; 3 LED lights show selected brake fluid types and 6 LED lights show percentages of water in the brake fluid.

Convenient Tool -- Size of small, perfect hand-feeling. Buzzing and red light double alarm system, test result is clear absolutely.

Product name: Capacitive Proximity switch; model: ljc18a3-h-z/by; wire Type: DC 3 wire Type (Brown, black, Blue); switch appearance Type: cylinder Type

Theory: Capacitance sensor; output Type: PNP no(normal open); diameter of head: 18mm; detecting distance: 1-10mm

Detecting object: metal or non-metal material; supply Voltage: DC 6-36v; current output: 300mA; response frequency: 100Hz

USB & Solar Power: Support USB and solar power charging ways. Efficient solar panel charging and built-in lithium battery(No need to replace), which ensure the tire pressure monitoring system will work continuously. USB charging takes only 3 hours to fully charge, solar charging takes 6 hours, and it can work for 30 days in a fully charged state. No matter whether it is sunny or rainy, there is no need to worry about power problems.

Safe & Reliable: Including fast leak alarm/slow leak alarm/high temperature alarm/high pressure alarm/sensor fault alarm/low battery alarm 6 modes. Whether it is hot or cold, the working environment is -20 to 70 degrees Celsius(-4 to 158 degree Fahrenheit). When the temperature in the car is above 70 degrees Celsius(158 degree Fahrenheit), the machine will automatically protects，in order to ensure your driving safety.

LCD Screen Display: Real-time display pressure and temperature on a colorful screen display, also can be set with pressure unit：PSI/Bar and temperature unit:C/F selectable. Loud volume reminder, no matter where you install it, you can easily read the data and know your driving situation. Smart opening, make sure the product is turned on before installation, you don't need to turn it on or off after driving.

Turns 120 VAC devices on when input current is sensed

UL 94-V0 rated for flammability safety

Item Package Dimension: 4.0" L x 4.0" W x 4.0" H

Product Name: Magnetic Switch; Material: ABS; Model: MC-31B; Contact Type: NC/NO/COM

Transmitting Distance: 15-25mm; Contact Capacity: 0.5A(Maximum Switch Current); Rated Power: 10W; Working Voltage: DC 100V

Size: 55 x 12 x 11mm / 2.2" x 0.47" x 0.43"(L*W*H); Mounting Hole Size: 7 x 2.5mm/ 0.28" x 0.1"(L*W)

Using IO trigger for at least 10us high level signal

The module automatically sends eight 40 kHz and detect whether there is a pulse signal back

If the signal back, through high level ,time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level time velocity of sound (340M/S) /2

Product Name : Inductive Proximity Switch;Model : LJ12A3-4-Z/AX;Theory : Inductive Sensor;Wire Type : 3 Wire Type (Brown, Blue, Black)

Switch Appearance Type : Cylinder Type, Metal Shell;Output Type : NPN NC;

Detecting Distance : 4mm(+/-10%);Supply Voltage : DC 6-36V Output Current : 300mA;Detect Object : Iron;Column Sensor Diameter : 10.4mm/0.4";Thread Diameter : 12mm/0.5"

Product Name : Hall Effect Switch Sensor;Model : A3144

Terminal : 3 (1mm);Supply Voltage : 28V

Reverse Battery Voltage : 35V;Continuous Output Current : 25mA

Product Name : Photoelectric Switch;Sending Light : Infrared Rays;Model :E3F-DS30P1

Wire Type : DC 3 Wire, Proximity-sensing / Diffuse Type;Type : PNP NO ;Voltage : DC 6-36V

Current : 300mA;Sensory Distance : 30cm;Head Diameter : 1.6cm/0.6'' ; Thread diameter: 18mm

Product Name : Photoelectric Switch;Sending Light : Infrared Rays;Model :E3F-5DN1

Wire Type : DC 3 Wire, Proximity-sensing / Opposite Type;Type : NPN NO ;Voltage : DC 6-36V

Current : 300mA;Sensory Distance : 5m;Head Diameter : 1.6cm/0.6'' ; Thread diameter: 18mm

The HC-SR04 ultrasonic sensor can send eight 40 kHz and detect whether there is any pulse signal back.If it back, a high level signal will be outputed by IO, and the duration of the signal is the time from sending ultrasonic to returning

HC-SR04 Test Distance : high level time velocity of sound (340M/S) /2

HC-SR04 Power Supply : 5V DC; Quiescent Current : <2mA,; Effectual Angle: <15° ; Detection Distance : 2cm~500 cm; Resolution : 0.3 cm

Ultrasonic Sensor Distance Module:using IO trigger for at least 10us high level signal.

The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.

If the signal back,through high level,time of high output IO duration is the time from sending ultrasonic to returning.Test distance = (high level time velocity of sound (340M/S)/2.

With a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc.

Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions. Please note that the device is waterproof, but it couldn't work underwater.

Working voltage:DC 5V, Static current:5mA, Total current work: 30mA. Working range: 25cm-4M, Working frequency: 40KHZ, Detecting angle: 70 degree.

Current sensor chip: ACS712ELC-30A（Note: there are 3 specifications of the product 5A/20A/30A, Pls choose them accroding to your needs.）

Pin 5V power supply; on-board power indicator; Measuring range: ±30 amps, corresponding Analog output:66mV/A.

When there is no the detection current through, the output voltage is VCC/2

Model: SW-520D 

Max voltage : 12V 

Max Current : 20mA 

Product Name : Inductive Proximity Switch;Model : LJ12A3-4-Z-BX 5V ;Wire Type : 3 Wire Type (Black, Brown, Blue);Switch Appearance Type : Cylinder Type

Theory : Inductive Sensor;Output Type : NPN NO(Normal Open);Thread Diameter : 10.5mm/0.41";Head Diameter : 11.8mm/0.46"

Detecting Distance : 4mm;Supply Voltage : DC 5V;Current Output : 300mA;Response Frequency : 150Hz

Product Name : Proximity Switch;Model : TL-W5MC1;Theory : Inductive Sensor;Wire Type : 3 Wire Type (Brown, Blue, Black)

Switch Appearance Type : Rectangle Type;Output Type : NPN NO ;Sensor Distance : 5mm;Supply Voltage : DC 12-24V

Output Current(Max) : 200 mA;Detect Object : Iron;Column Sensor Diameter : 11mm/0.43"

High quality material, durable and excellent performance

Single roller omnidirectional induction trigger switch can sense vibration and inclination in different directions

When there is no vibration or tilt, the sensor is on and stable. When there is vibration or tilt, the switch will immediately open, the conductive resistance will increase, and the current pulse signal will be generated to trigger the circuit

Product Name : Capacitive Proximity Switch; Model : LJC12A3-5-Z/BY; Wire Type : DC 3 Wire Type (Brown, Black, Blue); Switch Appearance Type : Cylinder Type

Theory : Capacitance Sensor; Output Type : PNP NO(Normal Open); Diameter of Head : 12mm; Detecting Distance : 1-5mm

Detecting Object : Metal or Nonmetal Material; Supply Voltage : DC 10-30V; Current Output : 200mA;

★Specification★: Max Switching Current : 0.5 A ; Max Breakdown Voltage : 220V ; Max Carry Current : 1.0 A ; Max Pressure: 100 PSI / 248˚F (120˚C) ; Wire Length : 300mm ; M10 Metric Thread. Model: ZS12010-2.

★Application★: Liquid level sensor is a device used to sense the liquid level in the storage tank. This product can be used for liquid level sensing, alarm, signal transmission in water dispensers, water purifiers, water heaters, coffee machines, small refrigerators and other home appliances. Specially used for fish tanks, water pumps, cooling barrel, ponds, agricultural equipment, cistern alarm, sump filter aquarium swim pool, garden, well, water towers and other fields.

★HIGH QUALITY MATERIALS★: The liquid level switch is made of high quality stainless steel as a whole, seamless laser welding, no burrs, compact & durable. High temperature resistance. Stainless steel even can work at temperatures up to 248˚F(120°C). The maximum pressure resistance of the stainless steel float can reach 30kg/cm2. Contacts are plated with rhodium, its life span can reach 2 million times. Switch liquid controller can be installed above or on side of the liquid level as required.

Test mode :Using IO trigger for high level signal.( Not less that 10us),The Module sends eight 40 kHz automatically and detect whether there is a pulse signal back.

The detection zone: 0.78~196 in/ (2cm~500cm); High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15°.

Power supply: 5V DC; Quiescent current: less than 2mA.

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Load Frequency Bandwidth: DC ~ 80 kHz. Minimum Isolation Voltage: 2.1 kV(RMS). Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC. Operating Current: 20mA(max).

The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

Output voltage proportional to AC or DC currents.