Output (4-20mA) Ultrasonic Sensor for Water Level Detecting 1m 2m 3m ~8m

Min.Order: 1
Product origin: Hanzhong, Shaanxi, China
Infringement complaint: complaintComplaint
US$ 130

Description
Output (4-20mA) Ultrasonic Sensor for Water Level Detecting

Features:


1. Non contact,low price
2. Easy to installation
3. Small in size, light in weight
4. 12/24VDC Power supply
5. Long working life and high reliability.

Dimensions and Connections:




Technical Specifications:
Part numberNU75F30TR1MD
Sensing range sd230 ~ 4000 mm
Resolution1 mm
AdjustmentYes
Sonic frequency75 KHz
Response time30 ms
Voltage supply range +Vs10~30 VDC
Current consumption max.35 mA
Output signal4~20ma
AdjustmentYes
LEDyellowsolid yellow: object in the evaluation range
  yellow   flashing: program function, object detected
LEDredsolid red: Error
  red   flashing: program function, object not detected
Type Cylindrical
Housing materialnickel-plated /ABS
Width / diameter30 mm
Height / length90 mm
Connection typesConnector M12
Operating temperature-25~ +70 °C
Storage temperature-40~+80°C
Protection classIP 67



Programmed Analogue Output Function:


A1: unusable area
A2: nominal sensing range
Mode of operation: rising ramp
 
  1. Adjusting The Evaluation Limits
 
The ultrasonic sensor features an analogue output with two teachable evaluation limits. These are set by applying the supply voltage -U or +U to the TEACH-IN input. The supply voltage must be applied to the TEACH-IN input for at least 1s. LEDs indicate whether the sensor has recognized the target during the TEACH-IN procedure. The lower evaluation limit A1 is taught with -U, A2 with +U.
 
TEACH-IN rising ramp (A2 > A1)
 
  • Position object at lower evaluation limit
  • TEACH-IN lower limit A1 with - U
  • Position object at upper evaluation limit
  • TEACH-IN upper limit A2 with + U
 
TEACH-IN falling ramp (A1 > A2):
 
- Position object at lower evaluation limit - TEACH-IN lower limit A2 with + U
 
- Position object at upper evaluation limit - TEACH-IN upper limit A1 with - U

6. LED Displays
 
Displays in dependence on operating modeRed LEDYellow LED
   
Teach-In evaluation limit  
Object detectedOffFlash
No object detectedFlashOff
Object uncertain (Teach-In invalid)OnOff
Normal mode (evaluation range)OffOn
FaultOnPrevious state
 

Notes
1: Precision instrument, please don't scratched the surface.
2: Do not use in strong acid and strong alkaline conditions.
3: Shall not be opened.
4: Cannot be used in the vacuum area or explosion-proof areas.
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