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The Panasonic CX-421-P is a high-performance diffuse reflective sensor designed for precise detection of opaque, translucent, or transparent objects at a sensing range of 300 mm (11.811 in). With its excellent repeatability of 1 mm (0.039 in) and hysteresis of 15%, it delivers reliable and consistent performance. The sensor is powered by 12 to 24 V DC and has a low current consumption of 13 mA or less. It features a PNP open-collector transistor output with short-circuit protection and a response time of 1 ms or less, ensuring fast and accurate detection.
Built for durability, the CX-421-P is rated with IP67 protection, making it ideal for harsh industrial environments. The sensor also incorporates an automatic interference prevention function, allowing two units to be mounted closely without causing interference. With a continuously variable sensitivity adjuster, the CX-421-P ensures easy calibration and stable operation, even in environments with varying ambient conditions such as temperature, humidity, and light levels.
| Brand | Panasonic |
| Product name | CX-421-P |
| Item | Performance characteristics |
| CE Marking Directives | EMC Directive, RoHS Directive |
| Sensing Range | 300 mm 11.811 in (Note) The sensing range and hysteresis of the diffuse reflective type sensor are specified for white non-glossy paper (200 × 200 mm 7.874 × 7.874 in) as the object. |
| Sensing Object | Opaque, translucent or transparent object (Note) Make sure to confirm detection with an actual sensor before use. |
| Repeatability (Perpendicular to Sensing Axis) | 1 mm 0.039 in or less |
| Hysteresis | 15 % or less of operation distance(Note) The sensing range and hysteresis of the diffuse reflective type sensor are specified for white non-glossy paper (200 × 200 mm 7.874 × 7.874 in) as the object. |
| Supply Voltage | 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less |
| Current Consumption | 13 mA or less |
| Output | PNP open-collector transistor - Maximum sink current: 100 mA - Applied voltage: 30 V DC or less (between output and 0 V) - Residual voltage: 2 V or less (at 100 mA sink current), 1 V or less (at 16 mA sink current) |
| Output: Output Operation | Switchable either Light-ON or Dark-ON |
| Output: Short-Circuit Protection | Incorporated |
| Response Time | 1 ms or less |
| Operation Indicator | Orange LED(lights up when the output is ON) (incorporated on the receiver for thru-beam type) |
| Stability Indicator | Green LED(lights up under stable light received condition or stable dark condition) (incorporated on the receiver for thru-beam type) |
| Power Indicator | - |
| Sensitivity Adjuster | Continuously variable adjuster(incorporated on the receiver for thru-beam type) |
| Automatic Interference Prevention Function | Incorporated(Two units of sensors can be mounted close together.) |
| Protection | IP67 (IEC) |
| Ambient Temperature | - 25 to +55℃ -13 to +131℃ ℉ (No dew condensation or icing allowed ), Storage: -30 to +70℃ -22 to +158℃ ℉ |
| Ambient Humidity | 35 to 85 % RH, Storage: 35 to 85 % RH |
| Ambient Illuminance | Incandescent light: 3,000 lx or less at the light-receiving face |
| Voltage Withstand ability | 1,000 V AC for one min. between all supply terminals connected together and enclosure |
| Insulation Resistance | 20 MOhm , or more, with 250 V DC megger between all supply terminals connected together and enclosure |
| Vibration Resistance | 10 to 500 Hz frequency, 1.5 mm 0.059 in amplitude (10 G max.) in X, Y and Z directions for two hours each |
| Shock Resistance | 500 m/s2acceleration (50 G approx.) in X, Y and Z directions three times each |
| Emitting Element (Modulated) | Infrared LED |
| Emitting Element (Modulated): Peak Emission Wavelength | 860 nm 0.034 mil |
| Material | Enclosure: PBT (polybutylene terephthalate) Lens: acrylic Indicator cover: acrylic |
| Cable | 0.2 mm23-core cabtyre cable, 2 m 6.562 ft long |
| Cable Extension | Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable. |
Note : All tax and custom duty should be pay by buyer only.
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Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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