Photoelectric gives real positioning flexibility
A
Keyence (UK) product story
Edited by the Engineeringtalk editorial team
Dec 20, 2000
The new Keyence LV Series, long distance digital laser optic photoelectric sensor enables the engineer to choose the most suitable installation position, even if it is a substantial distance away
Keyence has just released its new LV Series, long distance digital laser optic photoelectric sensor.
The LV-H32 with its long range and tiny beam spot down to 0.3mm, now enables the engineer to choose the most suitable installation position, even if it is a substantial distance away from the target or workpiece.
With high power, adjustable beam spot and 16 Bit accuracy digital amplifier, tiny targets can be detected at long distance even in Harsh Environments such as dust and oil as well as machining and tooling applications where there may be swarf and aggressive fluids.
And the sensor head is just the size of your thumb! With many applications there is very limited space to position any kind of sensor.
Therefore, to save space the first decision is often to select a reflective sensor, as a thrubeam type requires twice the mounting space for its separate transmitter and receiver.
However, detecting small targets are sometimes more difficult with a reflective sensor as the beam spot size is usually much larger than the optical axis of a thrubeam.
In addition, when long distance is required or the sensor is required to look through a gap, then many applications are extremely difficult or impossible to solve.
This is because the beam spot size becomes larger as the detecting distance increases.
However, the New LV-H32 series uses a focused, laser beam spot which can be adjusted to suit the application.
With a spot size down to 0.3mm and a size of just 0.8mm at 300mm detecting distance, the LV is able to overcome mounting and detection problems associated with standard sensors.
And with a response time down to 80 microseconds, even high speed targets can be detected stably!.
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