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Pepperl Fuchs UDC-18GM50-255-3E3
Double sheet sensor
- MPN
- UDC-18GM50-255-3E3
- Category
- Double Sheet Sensors
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
- Ships via
- 100% positive eBay feedback
What is the Pepperl Fuchs UDC-18GM50-255-3E3?
Ultrasonic system for reliable detection of no, one, or two overlapping sheet materials, preferably papers
Short version
No teach-in required
Function indicators visible from all directions
Insensitive to printing, colors, and shining surfaces
Material weight from 10 g/m2 up to over 2000 g/m2
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
Ultrasonic system for reliable detection of no, one, or two overlapping sheet materials, preferably papers, Short version, No teach-in required, Sensing range: 20 ... 60 mm , optimal distance: 45 mm, Thread mold: M18, Construction type: Cylindrical, thread, Series: UDC-18GM, Operating voltage: 18 ... 30 V DC , ripple 10 %SS, Output type: 3 switch outputs PNP, NC, UL approval: cULus Listed, General Purpose, Class 2 Power Source
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 186657 |
| Sensing range | 20 ... 60 mm , optimal distance: 45 mm |
| Transducer frequency | 255 kHz |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Indicators/operating means
| LED green | indication: single sheet detected |
| LED yellow | indication: no sheet detected (Air) |
| LED red | indication: double sheet detected |
Electrical specifications
| Operating voltage | 18 ... 30 V DC , ripple 10 %SS UB |
| No-load supply current | < 50 mA I0 |
| Time delay before availability | < 500 ms tv |
Input
| Input type | Function input 0-level: -UB ... -UB + 1V 1-level: +UB - 1 V ... +UB |
| Pulse length | ≥ 100 ms |
| Impedance | ≥ 4 kΩ |
Output
| Output type | 3 switch outputs PNP, NC |
| Rated operating current | 3 x 100 mA , short-circuit/overload protected Ie |
| Voltage drop | ≤ 2 V Ud |
| Switch-on delay | approx. 15 ms (shorter response time on request) ton |
| Switch-off delay | approx. 15 ms (shorter response time on request) toff |
| Pulse extension | min. 120 ms programmable |
Compliance with standards and directives
| Standard conformity: Standards | EN IEC 60947-5-2:2020 IEC 60947-5-2:2019 |
Approvals and certificates
| UL approval | cULus Listed, General Purpose, Class 2 Power Source |
| CCC approval | CCC approval / marking not required for products rated ≤36 V |
Ambient conditions
| Ambient temperature | 0 ... 60 °C (32 ... 140 °F) |
| Storage temperature | -40 ... 85 °C (-40 ... 185 °F) |
Mechanical specifications
| Connection type | cable PVC , 2 m |
| Core cross section | 0.14 mm2 |
| Degree of protection | IP67 |
| Material: Housing | nickel plated brass; plastic components: PBT |
| Material: Transducer | epoxy resin/hollow glass sphere mixture; polyurethane foam |
| Mass | 135 g |
| Dimensions: Length | 50 mm |
| Dimensions: Diameter | 18 mm |
General information
| Supplementary information | Switch settings of the external programming adapter: "output load": pull-down "output logic": inv |
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
CAD & dimension drawings
UDC-18GM50-255-3E3: frequently asked questions
When can UDC-18GM50-255-3E3 be shipped?
UDC-18GM50-255-3E3 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up UDC-18GM50-255-3E3 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for UDC-18GM50-255-3E3 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for UDC-18GM50-255-3E3, subject to availability and destination.
More Pepperl Fuchs parts
Pepperl Fuchs UDC-18GM50-255-3E3Price and lead time confirmed within 1 business day
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