PANASONIC LA-305 — Displacement Sensors
Panasonic LA-305: LED collimated beam sensor, 300 mm, repeatability perpendicular to sensing axis: 0.01 mm or less.
Status: In production
Brand: Panasonic
Product: LED collimated beam sensor
Series: LA-300
Measuring: 300 mm
Repeatability: Perpendicular to sensing axis: 0.01 mm or less
Light: Red LED, 650 nm, modulated
LA-305 is a slim LED collimated beam sensor head from Panasonic’s LA-300 series: it measures an object’s position or diameter from how much of the 5 mm wide parallel beam is interrupted; it works with the LA-A1 amplifier. Measuring/sensing range: 300 mm. Repeatability: Perpendicular to sensing axis: 0.01 mm or less. Light source: Red LED, 650 nm, modulated.
Ambient temperature: 0 to +40 °C (no condensation).
Panasonic LA-305 technical specifications
| LA-305 | |
|---|---|
| General | |
| Product | LED collimated beam sensor |
| Regulations / certifications | CE |
| Applicable amplifier | LA-A1 |
| Sensing | |
| Beam width | 5 mm |
| Sensing range | 300 mm |
| Min. sensing object | Ø0.05 mm opaque object |
| Repeatability | Perpendicular to sensing axis: 0.01 mm or less |
| Temperature characteristics | ±0.2 % F.S./°C |
| Emitting element | Red LED, 650 nm, modulated |
| Environmental | |
| Ambient temperature | 0 to +40 °C (no condensation) · storage −20 to +70 °C |
| Ambient humidity | 35 to 85 % RH (storage 35 to 85 %) |
| Ambient illuminance | Incandescent light: 10,000 lx or less at the light-receiving face |
| Vibration resistance | 10 to 150 Hz, 0.75 mm double amplitude, X/Y/Z two hours each |
| Shock resistance | 500 m/s² (50 G approx.), X/Y/Z three times each |
| Mechanical and connection | |
| Material | Enclosure: heat-resistant ABS · Cover: heat-resistant ABS · Front cover: glass |
| Cable | 0.18 mm² 3-core cable, 2 m |
| Cable extension | Up to total 10 m (emitter and receiver) with 0.18 mm² or thicker cable |
| Weight | Emitter approx. 70 g · Receiver approx. 70 g |
LA-A1 amplifier specifications
| LA-A1 amplifier specifications | |
|---|---|
| General | |
| Product | LED collimated beam sensor |
| Regulations / certifications | CE |
| Applicable sensor head | LA-305 |
| Electrical characteristics | |
| Supply voltage | 12 to 24 V DC ±10 %, ripple P-P 10 % or less |
| Current consumption | 120 mA or less (with sensor head) |
| Output and indicators | |
| Comparative outputs (HIGH/LOW) | NPN open-collector, max. 100 mA |
| Analog output | Voltage: 1 V (darkest) to 5 V (lightest) |
| Environmental | |
| Ambient temperature | 0 to +50 °C (no condensation) · storage −20 to +70 °C |
| Ambient humidity | 35 to 85 % RH (storage 35 to 85 %) |
| Vibration resistance | 10 to 150 Hz, 0.75 mm double amplitude, X/Y/Z two hours each |
| Shock resistance | 500 m/s² (50 G approx.), X/Y/Z three times each |
| Mechanical and connection | |
| Material | Enclosure: heat-resistant ABS · Terminal cover: heat-resistant ABS · Front cover: polycarbonate |
| Cable | 0.22 mm² (shield wire 0.15 mm²) 7-core composite cable, 2 m |
| Weight | Net approx. 200 g |
Key features
- 300 mm
- repeatability perpendicular to sensing axis: 0.01 mm or less
LA-305 ordering codes
| Part number | Description |
|---|---|
| LA-305 | Sensor head (slim) |
| LA-A1 | Amplifier, NPN output (required) |
Other models in the same series
All series: Displacement Sensors
Is this sensor right for your measurement application?
Share what you need to measure (distance, thickness, diameter, position), the required resolution/repeatability, the target material and surface, the mounting distance and your PLC interface (analog, IO-Link, EtherCAT, CC-Link, RS-485); let’s select the right measurement sensor together.
All product specifications are subject to change without notice. Data compiled from the specification tables on Panasonic Industry’s industry.panasonic.com model and series pages (LA-305, LA-A1). For complete I/O signal conditions and function lists, refer to the manufacturer’s documents.