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UM1LG3-S1-210C-6AA-2TA- N

The Yokogawa UM1LG3-S1-210C-6AA-2TA-N is a specialized, long-range, single-point laser displacement sensor from the UM Series. This model is a custom variant designed for applications requiring an exceptionally wide measurement range far beyond the standard UM series offerings.

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(Technical Parameters)
Parameter Category Specification Details
Model UM1LG3-S1-210C-6AA-2TA-N (Special Long-Range Variant)
Measurement Principle Triangular Reflection Method (Laser Diode)
Laser Type Red semiconductor laser (Visible beam, Class 2)
Laser Wavelength 655 nm (Red)
Measurement Range 210 ±210 mm (Total range of 420mm, from 0mm to 420mm from the sensor head) - Key Feature
Standing Distance 210 mm (Recommended mid-point of the measurement range)
Spot Diameter Larger due to long range: Approximately 3.0 × 8.0 mm (at a 210mm standing distance). Will increase significantly at the far end of the range.
Linear Output Range ±210 mm (around the 210mm standing distance)
Repeatability 200 µm (Note: Reduced precision due to the extremely long range)
Linearity ±0.3% of F.S. (Full Scale = 420mm range. ±1.26mm absolute error)
Light-Receiving Element Position Sensitive Detector (PSD)
Sampling Rate 1.5 kHz
Outputs Analog Output: 4-20 mA (2-wire)
Switch Output: 2-point NPN open collector output
Power Supply 12 to 24 VDC (±10%), ripple P-P: 10% max.
Current Consumption 80 mA max. (excluding analog output current)
Connection Method 2TA Option: Pre-wired cable (2m for power/control, 2m for analog output)
Housing Material PPS (Sensor Head), Aluminum Die-cast (Amplifier Section)
Ingress Protection (IP Rating) IP67 (Sensor Head and Amplifier Unit)
Ambient Operating Temperature -10 to +55 °C (with no freezing or condensation)
Ambient Operating Humidity 35 to 85% RH
Vibration Resistance 10 to 55 Hz, Double amplitude 1.5 mm, X, Y, Z directions for 2 hours each
Shock Resistance 500 m/s² (approx. 50G), X, Y, Z directions 3 times each
Weight Approx. 450 g