Kronz (guangzhou) Electronics Co., Ltd.
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Ultrasonic Sensor U18 NPN PNP 45Hz 200mA 30-300mm Distance Sensors
A compact, industrial-grade proximity sensor with dual NPN/PNP outputs and 30-300mm adjustable detection range. Features 45Hz response speed and IP67 protection for reliable operation in harsh environments.
30–300mm Detection Range – Adjustable via potentiometer
±2% Measurement Accuracy – Reliable object positioning
45Hz Response Frequency – Fast detection for moving targets
PNP (NO/NC) + NPN (NO/NC) – Configurable for any PLC input
200mA Sink/Source Current – Directly drives relays or small loads
IP67 Rated Housing – Dustproof & waterproof for harsh environments
-25°C to +70°C Operation – Stable performance in extreme conditions
ABS Plastic + Metal Thread – Vibration & impact resistant
M18 Threaded Barrel (54mm Length) – Standard industrial mounting
LED Status Indicator – Power/Output visual feedback
Teach-in Function – Quick calibration via button
| Model | U18-D300N(P)32T-R00A |
| Dection range | 30-300mm |
| Blind zone | 0-30mm |
| Resolution | 0.1mm |
| Repeatability | ±0.15%F.S. |
| Accuracy | ±1%(built-in temperature drift compensation) |
| Response time | 22ms |
| Switching hysteresis | 2mm |
| Switching frequency | 45Hz |
| Initialization time | ＜ 500ms |
| Supply voltage | 10-30V DC,reverse-polarity protection |
| Red LED | no object detected:Lights up, teaching-in when no object detected:Flashes |
| Green LED | object detected:Lights up, teaching-in when object detected:Flashes |
| Overcurrent protection | 200mA,Red LED and Green LED flashing at the same time |
| Load impedance | I/ ＜ 300 Ohm,U/ ＞ 1k Ohm |
| No-load current | ≤30mA |
| Input type | teach-in and synchronization |
| Material | Copper nikel-plated,plastic fittings,glass epoxy resin. |
| Enclosure rating | IP67 |
| Connection type | 5pin, M12 connector |
| Ambient temperature | -25℃ ~+70℃(248~343K) |
| Storage temperature | -40℃ ~+85℃(233~358K) |
| Weight | 35g |
| Output type | N32: 2 npn switching output NO/NC |
| P32: 2 pnp switching output NO/NC | |
| Dimensional drawing |  |