Serviceline Industrial Sensors
Serviceline Explosion Protection

Diffuse mode sensor WTS10-12/20/105

  • Specifically for quality checks on welding caps
  • Upper and lower welding caps checked simultaneously
  • High position and angle tolerance insensitivity of the welding cap
  • Pre-fault indication
  • Scratch resistant mineral glass lens

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  WTS10-12/20/105

Product Description
Diffuse mode sensor
General specifications
Detection range2 ... 12 mm
Reference targetCopper welding-electrode Diameter: 16 mm , Front end: 6 mm
Light sourceLED
Light typemodulated visible red light , 640 nm
Ambient light limitcontinuous light 40000 Lux , Modulated light 5000 Lux
Tilting angle± 1.5 °
Position tolerance± 2 mm
Indicators/operating means
Operation indicatorLED green: Power on
Function indicatorLED yellow: switching state
LED red: Pre-fault indication
Teach-In indicatorLED, green/yellow flashing (approx. 4 Hz)
Teach Error:LED green/yellow non equiphase flashing; 8.0 Hz
Control elementsTeach-In key
Electrical specifications
Operating voltage10 ... 30 V DC
No-load supply current≤ 70 mA
Switching typelight on
Signal output2 switch outputs PNP, NO short-circuit protected reverse polarity protected
Switching currentmax. 100 mA
Switching frequency100 Hz
Response time5 ms
Compliance with standards and directives
Standard conformity
Product standardEN 60947-5-2:2007
IEC 60947-5-2:2007
Shock and impact resistanceIEC / EN 60068. half-sine, 50 g in each X, Y and Z directions
Vibration resistanceIEC / EN 60068-2-6. Sinus. 10 -150 Hz, 5 g in each X, Y and Z directions
Approvals and certificates
Protection classII, rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1
UL approvalcULus Listed
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature0 ... 50 °C (32 ... 122 °F)
The switching accuracy will remain, if the temperature after Teach-In does not varies more than ±7 °C
Storage temperature-20 ... 70 °C (-4 ... 158 °F)
Mechanical specifications
Degree of protectionIP67
Connection5-pin, M12 x 1 connector
HousingPC + ABS
Optical faceScratch resistant mineral glass lens
Mass80 g

Documents: WTS10-12/20/105

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet / Beipackzettel ALLPDF522 KB

Approvals+Certificates: WTS10-12/20/105

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of Conformity / EU-KonformitätserklärungDOC-2236APDF182 KB

Associated Products: WTS10-12/20/105


Female cordset, M12, 5-pin, PVC cablefa

Female cordset, M12, 5-pin, PUR cablefa

Female cordset, M12, 5-pin, PVC cablefa
Mounting bracket fa
Mounting bracket for sensors of WTS10 seriesfa