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TAKEX_US-R25_US-R25PN

Reflective Ultrasonic Sensors

  • TAKEX US-R25/US-R25PN are compact reflective ultrasonic sensors with a 60–250 mm sensing range.
  • They operate on 24VDC, use 380 kHz ultrasound, provide distance adjustment, and offer NPN or PNP outputs for applications including glass wafer and tire detection.
  • Brand TAKEX Takenaka Engineering Co., Ltd.
Features
  • Compact reflective design: Ultrasonic sensing elements are integrated into a compact photoelectric-sensor-style housing for reflective object detection.
  • 60–250 mm sensing range: The sensors provide a detecting distance of 60 to 250 mm and include distance adjustment for setting the sensing position.
  • NPN or PNP output options: US-R25 provides an NPN sink output, while US-R25PN provides a PNP source output for different control system requirements.
  • Dual status indicators: A red operation indicator and green stability indicator provide visual confirmation of operation and stable ultrasonic reception.
  • Wafer and tire detection: US-R25 can detect glass wafers with water drops and can also detect tires regardless of tire size or conveyor color.
Specification
ItemSpec.
Product typeReflective ultrasonic sensor
Series modelsUS-R25
US-R25PN
Model characteristicsUS-R25: NPN output
US-R25PN: PNP output
Detection methodReflective
Detecting distance60 ~ 250 mm
Detection object30 × 30 mm, sample object: 1 mm thick aluminum plate
Power supply24VDC ±10%, ripple 10% or less
Current consumption25 mA or less
Response timeON: 30 ms or less
OFF: 50 ms or less
Hysteresis10% or less
Ultrasonic frequency380 kHz ±15 kHz
IndicatorsOperation indicator: red LED
stability indicator: green LED
AdjustmentDistance adjustment
MaterialCase/nut: heat-resistant ABS resin
detection side: glass epoxy, conductive EPDM
Operating temperature range−10 to +55°C, non-freezing
Ambient humidity35–85% RH, non-condensing
Ambient wind speed1 m/s max.
Protective structureIP54, no water drops allowed on sensing head
Weight80 g or less

Specification notes

  • The main difference between US-R25 and US-R25PN is the output type: US-R25 provides NPN sink output, while US-R25PN provides PNP source output. Their sensing range, response time, and other principal specifications are the same.
  • The sensing range is 60–250 mm with distance adjustment. The specified detection object is 30 × 30 mm, using a 1 mm thick aluminum plate as the sample object.
  • The protective structure is IP54. Ambient wind speed must be 1 m/s or less, and water drops must not remain on the sensing head.
FAQ

Q1: What are the TAKEX US-R25 and US-R25PN?
A: They are compact reflective ultrasonic sensors with a detecting distance of 60 to 250 mm for object detection.


Q2: What is the detecting distance of the US-R25/US-R25PN?
A: The detecting distance is 60 to 250 mm.


Q3: What is the difference between US-R25 and US-R25PN?
A: US-R25 provides an NPN output, while US-R25PN provides a PNP output. Their principal sensing specifications are the same.


Q4: Can the detecting distance be adjusted?
A: Yes. Both models include a distance adjustment control.


Q5: What is the response time?
A: The response time is 30 ms or less when turning ON and 50 ms or less when turning OFF.


Q6: What power supply is required?
A: Both models operate from 24VDC ±10% with ripple of 10% or less.


Q7: Can the US-R25 detect glass wafers with water drops?
A: Yes. US-R25 is used for detecting glass wafers even when water drops are present on them.


Q8: Can the US-R25 be used for tire detection?
A: Yes. It can detect tires regardless of tire size or conveyor color.


Q9: What indicators are provided?
A: The sensors provide a red operation indicator and a green stability indicator.


Q10: How do I choose between US-R25 and US-R25PN?
A: Select US-R25 for an NPN output or US-R25PN for a PNP output. Both models provide the same 60–250 mm reflective sensing range.

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