RF609Rt-Laser Gauges for ID Measurement
RF609 (RF609Rt) Series – Laser probes for holes inspection
The sensors are intended for non-contact measuring and checking of position, displacement, dimensions, surface profile, deformation, vibrations, sorting and sensing of technological objects as well as for measuring levels of liquid and bulk materials.
The sensors are designed especially for inspection of small diameter holes. For measurement, the laser probe is inserted into the controlled hole. The probe or the part is driven in rotation. A triangulation laser sensor, which is built into the probe, measures the distance to the hole surface synchronously with the angle of rotation. The resulting set of polar coordinates is used to calculate the geometric parameters of the hole. Moving the probe along the hole allows to get the geometric parameters of the hole in different sections and to build a 3D model of the inner surface.
The distinctive feature of the sensors is a combination of ultra-compact design, high sampling rate and linearity.
We think, RF609-9/19 probe is a world smallest triangulation sensor with in-built controller and it can be used not only for ID measurement, but also in different measurement tasks.
Probes with index Rt contains slip ring, which makes it possible to connect to a rotating laser sensor, and a shunt for probe placement on CNC machine.
We already successfully use all these device in our measurement systems.
4 models of:
■ special sensors for holes geometry measurement
Measure diameters, mm: from 9
ID mtasurement accuracy: ±0.05
Measuring rate, kHz: 9,4
Weight, gram: from 40
Laser Triangulation Sensors RF609 (RF609Rt). Specification
(special sensors for holes geometry measurement)
| RF609 (RF609Rt)- | 9/19 | 16/48 | |||||
| Diameter of the laser sensor body, mm | 9 | 15 | |||||
| Range of controlled diameters, mm | 9.2...19 | 16...48 | |||||
| Depth of controlled holes, mm | on request | ||||||
| Base distance of the laser sensor, mm | 0.1 | 0.5 | |||||
| Working range of the laser sensor, mm | 5 | 16 | |||||
| Laser sensor linearity, % | ±0.05 of the range | ||||||
| Max. measurement frequency, Hz | 9400 | ||||||
| Light source | red semiconductor laser, 660 nm wavelength for both models; blue or UV semiconductor laser, 450 or 405 nm wavelength (BLUE version) only for 16/48 model | ||||||
| Output power, mW | ≤1 | ||||||
| Laser safety class | 2 (IEC60825-1) | ||||||
| Housing material | aluminum | ||||||
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Output interface:
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| Digital (RF609) | RS485 (max. 921600 baud) | ||||||
| Digital (RF609Rt) | RS232 (max. 460.8 kbit/s) or RS485 (max. 921.6 kbit/s) | ||||||
| Analog (only for RF609Rt) | 4…20 mA (load 500 Ohm) or 0…10 V | ||||||
| Sync inputs (RF609), V | 2.4 – 24, trigger (IN input) | ||||||
| Sync inputs (RF609Rt), V | trigger (IN input), A-B encoder (IN and AL inputs) | ||||||
| Power supply, V | 9…36 | ||||||
| Power consumption, W | 1...1.5 | ||||||
| Weight (without cable), RF609, gram | 40 | 85 | |||||
| Weight (without cable), RF609Rt, gram | от 900 | ||||||
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Environmental resistance:
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| Enclosure rating | IP67 | ||||||
| Vibration | 20 g / 10…1000 Hz, 6 hours for each of XYZ axes | ||||||
| Shock | 30 g / 6 ms | ||||||
| Operating ambient temperature, °Ñ | -10…+60 | ||||||
| Permissible ambient light, lx | 10000 | ||||||
| Relative humidity, % | 5-95 (no condensation) | ||||||
| Storage temperature, °Ñ |
-20…+70 |
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Operation of the sensors is based on the principle of optical triangulation. Radiation of a semiconductor laser 1 is focused by a lens 2 onto an object 6. Radiation reflected by the object is collected by a lens 3 onto a linear CCD-array 4. A signal processor 5 calculates the distance to the object from the position of the light spot on the array 4.
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