Contact displacement sensors (also known as micrometers or depth gauges) are primarily used to measure product length, thickness, inner and outer diameters, runout, and displacement. In recent years, they have been widely used in fields such as semiconductors, new energy vehicles, and electronic components, making them powerful assistants for multi-purpose measurements on production lines.
As the usage scenarios for contact displacement sensors increase, we have received many inquiries from users regarding the selection, installation, usage, and troubleshooting of contact displacement sensors and counters. In this issue, we have compiled responses to some common questions, hoping to assist with your measurements.
What is the origin signal output function?
A:The origin signal output function allows the sensor to reset to the origin position during use, such as when re-powering or encountering overspeed issues, thus avoiding the need for manual adjustment again and improving efficiency. All models of the LG100 series are equipped with this function.
What is the absolute origin identification positioning function mentioned in the LGS series?
A:The absolute origin identification positioning means that the origin (0 point) will not disappear even when the power is off. The LGS series is equipped with an absolute scale (capacitive ABS scale) that can set absolute origin identification positioning. When the power is turned back on, it will output the probe position relative to the last origin, so users do not need to check every time they power on.
What is the maximum digit display when using Digimatic output in the LGH series?
A:When using Digimatic output, the maximum digit display is 6 digits.
Can the EJ counter output tolerance judgment results?
A:The EJ counter can output tolerance judgment results.
What is the maximum length for the LG extension cable?
A:You can connect up to 3 extension cables, with a maximum combined length of 20 meters.
What are the installation precautions for the LG series?
A:① Please insert the sleeve into the installation position or bracket of the measuring device and secure it without over-tightening the sleeve; ② Do not use methods other than the sleeve for fixing during installation; ③ The sensor should be in a vertical position relative to the measurement surface during installation.
What are the environmental requirements for the high-precision LGH series during installation?
A:The LGH series is a high-precision displacement sensor with certain environmental requirements: ① The product should not be exposed to direct sunlight, with ambient temperatures below 0°C or above 50°C, relative humidity below 20% or above 80%, and places where condensation may occur due to sudden temperature changes; ② The product should not be used in environments subjected to direct vibration or shock; ③ The product should not be used in environments where it may contact splashes of water, oil, or chemicals.
What precautions should be taken when using Digimatic output in the LG series?
A:When the power voltage on one side of the sensor differs from that on the external device, please be sure to use an open collector or open drain circuit, and do not use CMOS output.
What should be noted when using the high-precision LGH series?
A:① To ensure accuracy, please preheat for 30 minutes after powering on; ② Allow sufficient time for the sensor and the workpiece to stabilize at temperature; ③ Thoroughly clean the tip of the probe and the measurement surface before measuring to avoid foreign objects, dust, and stains affecting accuracy; ④ Excessive step differences during measurement will lead to overspeed errors, please adopt appropriate measurement methods based on the characteristics of the workpiece.
What causes the creeping phenomenon when the spindle of the LG series approaches the bottom dead center?
A:There may be a possibility of poor interference from the rubber sleeve, it is recommended to check the condition of the rubber sleeve.
Why is the value displayed by the EJ counter incorrect and unable to count?
A:There may be three situations: ① The parameters are not set correctly according to the type of sensor used; ② The peak mode is set to maximum, minimum, or runout; ③ The hold signal is being input. It is recommended to set correctly or remove the current error setting state.
What happens if the EJ counter cannot connect to the sensor normally?
A:There may be three situations: ① You are trying to connect the sensor with a 6-pin or 8-pin connector; ② The sensor you are trying to connect does not support differential square wave output.
How to handle the EH counter that cannot be zeroed?
A:Please exit peak mode, as it is currently in peak mode.
All content sourced from: Mitutoyo Measuring Instruments
