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Contactors & Contactor Relays

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Sensing distance. Choose between /mm and /mm. You need at least:

Advantages: Detects virtually any object irrespective of surface, colour, or transparency. Unaffected by dirt, dust, fog, mist.
Disadvantages: Sensitive to temperature and affected by small or soft objects. Typically, shorter sensing distance than Photoelectric

Advantages: Detects virtually any object irrespective of transparency, can detect tiny objects, not EMI/RF sensitive, rapid response times, flexible heads, suitable in harsh environments
Disadvantages: Typically, more expensive than Ultrasonic and photoelectric sensors.

Examples: steel, stainless steel, aluminium, brass, copper etc

Examples: granules/pellets/bulk materials etc

Rotary movement is revolving around an axis, such as a car wheel

Linear movement is motion in a straight line, such as a sliding door opening

Safety light curtains are also known as safety light barriers or safety light screens. These optoelectronic devices are used to detect people present in the vicinity of moving machinery. Light curtains can be used as an alternative to mechanical barriers and other forms of traditional machine guarding.

A laser scanner is a protective device that scans its surroundings 2/3 dimensionally using infrared invisible laser beams. These beams provide protection for a hazardous area. When an object enters the protective field, the laser scanner gives an output to indication detection of an object. 

Industrial Safety cameras are used to visually monitor a predefined area to detect the presence of intruders or foreign body. These cameras form a vital safety function to ensure machinery can operate without causing injury or damage to people or objects.  

A light beam sensor is a sensing module that uses light to detect objects in its field of view. The transmitter element of the sensor projects a light beam into the area it is monitoring, using either visible or infrared light. A receiver component then collects and interprets information about what happened to that beam of light on the way from the emitter. The sensor uses this data to detect and report the presence of an object or person within the protection field.  

Temperature sensors are widely used within Industry to measure how hot or cold an item is. The sensor converts the temperature into an electrical signal that can be feed into a display or controller to ensure the temperature is maintained or measured.  

Flow sensors or flow indicators are flow meter devices used to measure the amount of liquid, gas or vapour that passes through them. They can also be known as flow gauges or liquid meters. Flow sensors are available as time measuring units (these measure flow rates over a set time period) or they can be totalising flow meters that continually measure the medium passed through. 

Pressure sensors are devices that sense the applied pressure of gases or liquids. The output of the measurement is then converted into an electrical signal which reflects the amount of pressure applied. 

Level sensors monitor, maintain, and measure liquid levels to determine how full or how empty a container, tank or silo is. Level sensors provide an output electrical signal at predetermined levels to communicate when to open or close control valves. 

Resistance Temperature Detectors or RTDs are used to sense varying temperature ranges and levels of resistance in industrial and commercial applications. An RTD consists of a resistance element and insulated copper wires.

A thermocouple is made up of two wires of different metals that, when joined together, create an electrical junction known as a measuring junction. When the temperature changes at the junction, it creates a voltage that can be interpreted to read the temperature, also known as the Seebeck effect.

Now you can both go straight to see some matching sensors or you can answer some more filtering questions below before browsing the results.


Max temp. Choose between /°C and /°C. You need at least

Measurement range. Choose a range between /mm and /mm.

This will depend on the specific application and the frequency range of the vibrations that need to be monitored.

Probe diameter. Choose a range between /mm and /mm.

Min temp. Choose between /°C and /°C. You need at least:

You need an Infrared Sensor! Now you can both go straight to see some matching sensors or you can answer some more filtering questions below before browsing the results.

Accuracy. Choose between +-/% and +-/%. You need at least:

Max pressure. Choose between /bar and /bar.You need at least:

Max temp. Choose between /°C and /°C. You need at least:

Tell us more about the inclination sensor you're looking for

Max scan. distance. Choose between /m and /m. You need maximum:

Protective height. Choose a range between /mm and /mm

Now you can both go straight to see some matching sensors or you can answer some more filtering questions below before browsing the results. UPDATE!

Needed for analysing analogue signals in a digital circuit.

Needed for analysing digital signals in a digital circuit.

For greater accuracy, select a scope with 3-5 times the highest signal frequency.

Memory depth is the maximum possible record length for one acquisition. The more memory you have, the more samples can be taken, and the higher the resolution.

For more accurate measurements, select a scope with higher resolution. For analogue, noise or audio signals consider 12 to 16 bit resolutions.

This is the time it takes to process and display the input signal.

Ideally select a sample rate of at least 5 times the circuit's highest frequency.

Ideal for plotting and analysing live and captured waveforms.

Choose an Oscilloscope with the Trigger mode type needed to capture a stable waveform.

To save time and effort calculating, select a scope with automatic measurements.

To reduce smudged waveforms, select an oscilloscope with a rise time < 1/5 x fastest rise time of signal under test.

Always select test equipment with the correct Safety Category for the voltages to be encountered.

The bigger the screen, the easier it is to read.

Needed when connecting to other optional electronic devices, such as a computer etc.

Optional feature for generating industry standard signals for verifying and testing.

Optional feature for generating waveforms for testing and examining circuits.

Can be powered directly from a laptop or desktop PC.

Touch screens save on space and are intuitive to use.

The amount of time available from being fully charged.

Generally TFT displays tend to be crisper and have faster refresh rates than LCD displays.

This is the Maximum DC Voltage Demand of the Device Under Test.

This is the Maximum DC Current Demand of the Device Under Test.

The Maximum Output Power = Output Voltage x Output Current.

Select enough for all devices under test.

Select a DC power supply that can respond from one voltage to another within the required amount of time.

The lower the ripple & noise, the less effect it will have on the device under test.

Linear for low ripple, noise and fast response times. Switching for high efficiency, higher power and low cost.

Allows automatic adjustments of Voltage & Current values.

Contactors & Contactor Relays

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