Product Features
Small photoelectric sensor
Fingertip like size Rich gap attachments suitable for various narrow spaces
Dust proof integrated shell
PVP frosted thread
Technical Parameter
| model | NPN output | detection | Shooting type | Diffuse reflection type |
| Wire lead out | KN-T21 | KN-D21 | ||
| detection distance | 1.5m | 150mm | ||
| Detected object | Opaque objects with a diameter of 4mm or more | |||
| contrast | More than 20% of the detection distance | |||
| control output | Simultaneously matching two independent outputs | |||
| response frequency | NPN/PNP transistor collector output | |||
| supply voltage | Less than 1ms | |||
| Consumption current | DC12-24 pulsation (p-p) below 10% (DC10-30) | |||
| Detected object | ≤25mA | |||
| Switch capacity | ≤3W | |||
| residual voltage | Below 1V (load current 100mA) | |||
| circuit protection | Surge protection, short circuit protection, polarity reversal protection nm | |||
| light source | Infrared modulated light | |||
| Display light | Action indicator light (red) | |||
| ambient temperature | During operation, the temperature ranges from -25 ° C to+70 ° C (without ice or frost). During storage, the temperature ranges from -40 ° C to+85 ° C (without ice or frost) | |||
| Environmental illumination impact | Sunlight: below 10000LX incandescent lamp: below 3000LX | |||
| Environmental humidity for use | Action time -45% -85% (no icing) RH Storage time: 35% -85% (no icing) RH | |||
| The influence of voltage | When the rated power supply voltage fluctuates within ± 15%, the detection distance changes within ± 1% | |||
| Insulation impedance | Between the charging unit of 50M Ω or above and the casing | |||
| dielectric strength | AC1000V and above, between the charging unit and the casing at 50/60Hz for 1 minute | |||
| Vibration (durability) | 10-55Hz, 1.5mm double amplitude, reaching 2h in X, Y, Z directions | |||
| Impact (durability) | 500m/s * 2 double amplitude, 10 times in X, Y, Z directions | |||
| Protective structure | IP65 | |||
| Connection method | Wire lead out type (standard 2m) | |||
| Shell material | PC | |||
Application scenarios
Wiring diagram
