
Pepperl Fuchs UDC-18GM-400-3E3-Y235849
Double sheet sensor
- MPN
- UDC-18GM-400-3E3-Y235849
- Category
- Double Sheet Sensors
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What is the Pepperl Fuchs UDC-18GM-400-3E3-Y235849?
Ultrasonic system for reliable detection of no, one, or two overlapping sheet materials, preferably papers
Very short response time
Function indicators visible from all directions
No teach-in required
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
Programmable
Ultrasonic system for reliable detection of no, one, or two overlapping sheet materials, preferably papers, Very short response time, Function indicators visible from all directions, 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) | 235849 |
| Sensing range | 20 ... 60 mm , optimal distance: 45 mm |
| Transducer frequency | 395 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 | < 80 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. 1.5 ms ton |
| Switch-off delay | approx. 1.5 ms 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 ... 70 °C (-40 ... 158 °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 | 150 g |
| Dimensions: Length | 74 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
UDC-18GM-400-3E3-Y235849: frequently asked questions
When can UDC-18GM-400-3E3-Y235849 be shipped?
UDC-18GM-400-3E3-Y235849 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-18GM-400-3E3-Y235849 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-18GM-400-3E3-Y235849 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-18GM-400-3E3-Y235849, subject to availability and destination.
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