The Panasonic PM-R25-P Photoelectric Sensor is an ultra-small, U-shaped micro photoelectric sensor with a built-in amplifier, designed for precision detection in compact applications. It has a fixed sensing range of 6 mm (0.236 in). It can detect opaque objects as small as 0.8 × 1.2 mm (0.031 × 0.047 in). This ensures high accuracy and reliability. The sensor’s hysteresis is impressively minimal, staying below 0.05 mm (0.002 in), which guarantees consistent and reliable performance in high-precision tasks. The repeatability is within 0.01 mm (0.0004 in). These features make it ideal for tasks requiring precise measurements.
Powered by a wide supply voltage range of 5 to 24 V DC with a current consumption of 15 mA or less, the Panasonic PM-R25-P U-Shaped Photoelectric Sensor provides efficient operation. Its PNP open-collector transistor output supports maximum source currents up to 50 mA and includes light-ON and dark-ON operation modes for versatility. Additionally, it incorporates protective circuits, such as short-circuit protection, ensuring safe and stable use.
With a rapid response time of 20 µs or less under light-received conditions, the sensor achieves a maximum response frequency of 3 kHz, ideal for high-speed detection tasks. It is equipped with an orange LED operation indicator, making status monitoring straightforward. The durable enclosure, made of PBT, and its IP64-rated protection ensure reliability in challenging environments.
Lightweight at only 10 g, the sensor can operate in temperatures ranging from -25 to +55°C. Certified under CE, UKCA, and ISO 13849-1 standards, the PM-R25-P guarantees safety and quality, making it suitable for industrial automation applications.
Our engineers actively inputted all the required details of this item in accordance with the datasheet. Nevertheless, it’s imperative to recognize that errors may arise during this process. Despite our sincere efforts, it’s important to remain cautious. Nonetheless, inaccuracies can still occur. All trademarks and trade names used on this site are the property of their respective owners. They are used solely for identification purposes and do not imply any endorsement or affiliation with our company.
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CE Marking (EMC Directive, RoHS Directive), UKCA Marking (EMC Regulations, RoHS Regulations), ISO 13849-1 (Category 1, PLc) (Note), UL/c-UL Recognition certification
(Note) : Conformed from December 2021 production.
Sensing range
6 mm 0.236 in (fixed)
Minimum sensing object
0.8 × 1.2 mm 0.031 × 0.047 in opaque object
Hysteresis
0.05 mm 0.002 in or less
Repeatability
0.01 mm 0.0004 in or less
Supply voltage
5 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption
15 mA or less
Output
PNP open-collector transistor
・Maximum source current: 50 mA
・Applied voltage: 30 V DC or less (between output and + V)
・Residual voltage: 2 V or less (at 50 mA source current), 1 V or less (at 16 mA source current)
Output:Output operation
Incorporated with 2 outputs: Light-ON / Dark-ON
Output:Short-circuit protection
Incorporated
Response time
Under light received condition: 20 μs or less
Under light interrupted condition: 80 μs or less
(Maximum response frequency: 3 kHz)(Note)
(Note) : Refer to the note on the specification page for the response frequency.
Operation indicator
Orange LED (lights up under light received condition)
Pollution degree
3
Protection
IP64 (IEC)
Ambient temperature
-25 to +55 ℃ -13 to +131 ℉ (No dew condensation or icing allowed), Storage: -30 to +80 ℃ -22 to +176 ℉
(Note) : In case is used at an ambient temperature of +50 ℃ +122 ℉, or more, make sure to mount it on a metal body.
Ambient humidity
5 to 85 % RH, Storage: 5 to 95 % RH
Ambient illuminance
Fluorescent light: 1,000 ℓx at the light-receiving face
Voltage withstandability
1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance
20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance
10 to 2,000 Hz frequency, 1.5 mm 0.059 in double amplitude (maximum acceleration 196 m/s2) in X, Y and Z directions for two hours each
Shock resistance
15,000 m/s2 acceleration (1,500 G approx.) in X, Y and Z directions three times each
Emitting element
Infrared LED (Peak emission wavelength: 855 nm 0.034 mil, non-modulated)
Material
Enclosure: PBT
Display section: Polycarbonate
Cable
0.09-mm2 4-core cabtyre cable, PVC, 1 m 3.281 ft long
Wiring length
Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable.
(Note 1) : If the cable is extended to 20 m 65.617 ft or longer, confirm that the supply voltage at the end of the cable attached to the sensor is 4.5 V or higher.
(Note 2) : For safety applications, do not exceed 30 m 98.425 ft.
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