1.Description:
   It is a DC12V-24V Ultrasonic Range Finder Module Relay Switch 5-500cm Adjustable Distance Tester for Alarm.

2.Feature:
  1>.High measurement accuracy
  2>.Strong anti-interference
  3>.The measuring distance can be adjusted by itself
  4>.Suitable for wet and harsh measurement occasions
  5>.Probe size is small, small Angle ranging
  6>.Probe waterproof

3.Parameter:
  1>.Model: DJLK-003A
  2>.The power supply voltage: 12V DC
  3>.Relay driving voltage: minimum 5V DC, maximum 30VDC
  4>.Relay driving voltage: typical value 110V AC, maximum value 220V AC
  5>.Relay drive current: typical value: 5A, maximum :6A
  6>.Distance range: minimum value: 5CM, maximum value: 500CM
  7>.Accuracy: typical value: 1cm, maximum: 2cm
  8>.Measurement Angle: maximum value: 60
  9>.Relay response time: typical value: 1S
  10>.Work Temperature: -25℃~85℃
  11>.Work Humidity: 5%~95%RH
  12>.Size: 82x48x26mm

4.Note:
  1>.The adjustable range is 5cm-500cm;
  2>.The farther the measurement distance is, the larger the error will be, which basically conforms to the linear direct proportion relationship.

5.Package:
  1>.1pcs DC12V-24V Ultrasonic Range Finder Module
  2>.1pcs Ultrasonic wave sensor