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Ultrasonic Displacement Sensor


Now, more advanced with a new mutual interference prevention function.


Item E4PA-LS50-M1-N E4PA-LS200-M1-N E4PA-LS400-M1-N E4PA-LS600-M1-N
Sensing range 50 to 500 mm 120 to 2,000 mm 240 to 4,000 mm 400 to 6,000 mm
Dead band distance 0 to 50 mm 0 to 120 mm 0 to 240 mm 0 to 400 mm
Standard sensing object 100 × 100 mm flat plate
Applied frequency Approx. 380 kHz Approx. 180 kHz Approx. 85 kHz Approx. 65 kHz
Response time 63 ms max. 195 ms max. 440 ms max. 850 ms max.
Power supply voltage 10 to 30 VDC; ripple (p-p): 10% max.
Power consumption 1,800 mW max.
Analog output Current output: 4 to 20 mA (Allowable load resistance: 500 Ω max.)
Voltage output: 0 to 10 V (1,000 Ω min.)
Protective circuit Load short-circuit protection, mutual interference prevention
Mutual interference
prevention cycle time
10 ms 34 ms 77 ms 143 ms
Linearity ±1% FS max.
Repeat accuracy * 0.1% FS max.
Temperature influence ±1% FS of output value at +23°C in the temperature range of -10 to 55°C
Voltage influence ±5% FS max. within rated power supply voltage range
Ambient temperature Operating: -10 to 55°C (with no icing or condensation)
Storage: -40 to 85°C (with no icing or condensation)
Ambient humidity Operating and storage: 35% to 85% (with no condensation)
Insulation resistance 50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength 1,000 VAC (50/60 Hz) for 1 min between current-carrying parts and case
Vibration resistance Destruction: 10 to 55 Hz, 1-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance Destruction: 300 m/s2 three times each in X, Y, and Z directions
Connection method 5-conductor connector
Degree of protection IEC60529: IP65
Weight (packed) Approx. 240 g Approx. 320 g Approx. 400 g
Materials Case: Stainless steel (SUS303)
Sensing surface: PBT resin, polyurethane, glass epoxy resin
Clamping nut: Stainless steel (SUS303)
Accessories Operation Manual

* Values are given one hour after power-up. The outputs may fluctuate due to external disturbances.