Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9000, ISO 14001
OEM/ODM Service
Sample Available
Distributorship Cooperation

Ultrasonic Sensor, Ultrasonic, Udc-18GM Sensor manufacturer / supplier in China, offering Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3), Oil Mold Temperature Controller for Plastic (REX-C900), Pid Temperature and Humidity Controller for Incubator (REX-C700) and so on.

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Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3)

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $400-450/ Piece
Port: Ningbo, China
Production Capacity: 5000PCS/Week
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Type: Waterproof Ultrasonic Sensor
Output Signal Type: Analog Type
Production Process: Integration
Sensitivity: High
IP Rating: IP67
Certification: CE

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Basic Info

Model NO.: UDC-18GM-400-3E3
Customized: Customized
Color: Silver
Usage: Position Sensor
Theory: Ultrasonic Sensor
Material: Plastic
Trademark: Winston/OEM/Neutral
Transport Package: Neutral Carton Packing
Specification: CE
Origin: China, Zhejiang, Wenzhou
HS Code: 90330000

Product Description

• Ultrasonic system for reliable detection of no, one, or two overlapping sheet materials, preferably papers
• No TEACH-IN required
• Function indicators visible from all directions
• Insensitive to printing, colors, and shining surfaces
• Material weight from 10 g/m 2 up to over 2000 g/m 2
• Very wide material spectrum, finest papers up to thin sheet metals as well as plastic- and metal foils
• Perpendicular or inclined sensor mounting relative to the sheet plane possible
• Programmable

Technical parameters                   
General specifications
Sensing range20 ... 60 mm , optimal distance: 45 mm
Transducer frequency395 kHz
Indicators/operating means
LED greenindication: single sheet detected
LED yellowIndication: No sheet detected (Air)
LED redindication: double sheet detected
Electrical specifications
Operating voltage U b18 ... 30 V DC , ripple 10 % SS
No-load supply current I 0< 80 mA
Time delay before availability t v< 500 ms
Input typeFunction input
0-level: -U B ... -U B + 1V
1-level: +U B - 1 V ... +U B
Pulse length≥ 100 ms
Impedance≥ 4 kΩ
Output type  3 switch outputs NPN, NC
Rated operating current I e3 × 100 mA , short-circuit/overload protected
Voltage drop U d≤ 2 V
Switch-on delay T onapprox. 15 ms (shorter response time on request)
Switch-off delay T offapprox. 15 ms (shorter response time on request)
Pulse extensionmin. 120 ms programmable
Ambient conditions
Ambient temperature0 ... 60 °C (32 ... 140 °F)
Storage temperature-40 ... 70 °C (-40 ... 158 °F)
Mechanical specifications
Connection typecable PVC , 2 m
Core cross-section0.14 mm
Protection degreeIP67
Housingnickel plated brass; plastic components: PBT
Transducerepoxy resin/hollow glass sphere mixture; polyurethane foam
Mass150 g
General information
Supplementary information  Switch settings of the external programming adapter:
"output load": pull-up
"output logic": inv

Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3)
Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3)
Additional information           
Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3)
Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3)
Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3)

 Description of sensor functions
The ultrasonic double sheet monitor is used for double sheet detection in all situations in which the automatic distinction between double and single sheets is required in order to protect machines or avoid waste production. The double-sheet monitor is based on the ultrasonic through-beam principle. The following can be detected:
- No sheet, i.e. air,
- Individual sheet
- Double sheet
A microprocessor system evaluates the signals. The appropriate switch outputs are set as a result of the evaluation. Changes in ambient conditions such as temperature and humidity are compensated for automatically. The interface electronics is integrated into a compact M18 metal housing together with a sensor head.


Switching on
The sensor is equipped with 6 connections. The functionality of the connections is described in the following table. The function input
(PK) is used to assign parameters to the sensor. (See Output pulse extension, Alignment aid and Program selection). During normal
operation, the function input must always be securely connected with +U B or -U B , to avoid possible interference or improper functionality.

ColourSwitching on Comments
WHSwitch output for single sheetsPulse width corresponds to the event
BKSwitch output for double sheetsPulse width corresponds to the event
GYSwitch output for airPulse width corresponds to the event
PK-U B /+U BFunction input for parameter assignment/
pulse prolongation


Normal mode
The sensor is working in normal mode if the function input (PK) is applied to -U B or +U B when the power source (Power-On) is supplied,
as shown in the output pulse extension table (see below).
LED yellow:      Detection of air
LED green:      Detection of single sheets
LED red:          Detection of double sheets
Switch outputs:
The switch outputs are only active in normal operation!
White:      WH     Single sheet output
Black:      BK      Double sheet output
Gray:       GY       Air output


Procedure for assigning parameters
It is possible to switch to additional parameter assignment modes from the display mode:
         Alignment mode -->
         Program selection mode -->
         Alignment aid mode --> (for checking)
When the function input (PK) is applied to -U B (for > 500 ms), the mode changes. When the "Program selection" mode is active, swit-
ching on function input (PK) on to +U B (for > 500 ms) selects the next program level.
Disconnecting the power supply causes the system to exit the current mode with the selected program change.
The switch outputs are not active while parameters are being assigned to the sensor!

Ultrasonic Transducer Double Sheet Sensor (UDC-18GM-400-3E3)

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