| Main unit model | Analog current | TU-N040A |
| Type | Diffuse reflective | |
| Maximum sensing distance | 400 mm(1) | |
| Minimum sensing distance | 50 mm | |
| Sensing range | 50-400 mm | |
| Beam angle | 10°±2° | |
| Hysteresis | 1 % | |
| Repeatability | 0.5 % | |
| Resolution | ±1 mm | |
| Linearity error | 1 % | |
| Operating temperature range | -20 to +70 °C | |
| Temperature compensation | Available | |
| Thermal drift | ±2 % | |
| Ripple coefficient | 5 % | |
| Operating voltage | 12 to 24 VDC | |
| Leakage current | 10 µA @ 30 VDC | |
| Output voltage drop | 2.2 V max. (I = 100 mA) | |
| No-load current | ≤50 mA | |
| Minimum load resistance (analog voltage output) | 3 k Ω | |
| Adjustable switching point | Teach-In button | |
| Start-up delay | ≤300 ms | |
| Indicator | Green: reflective; Yellow: output | |
| Circuit protection | Short-circuit protection (automatic reset), inductive protection, reverse voltage protection | |
| Electromagnetic compatibility/EMC | Conforms to the requirements of the EMC directive, in accordance with EN60947-5-2 specifications | |
| Protection class | IP67 (EN 60529) (4) | |
| Connection cable | Sold separately | |
| Enclosure material | Stainless steel 316L | |
| Vibrating head material | Glass epoxy resin | |
| Torsional torque | Metal enclosure: 50 N·m | |
| Storage temperature | -35 to +70 °C (no freezing) | |
| Weight | 100 g | |
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