Optical Micrometers 1D RF651 - RF656 Series

Optical Micrometers 1D RF651 - RF656  Series

 

 

Optical micrometers use a “shadow” measurement principle whereby collimated laser light is transmitted towards a receiver. The edges of the shadow cast by an object in the beam’s path are accurately measured by the detector array inside the receiver unit. Optical Micrometers are non-contact devices that ideally measure diameters of wires, rods and other cylinders in addition to gaps, edge positions and dimensional characteristics of geometric objects.

The series includes two lines of models:

RF651 — direct through beam micrometers;

RF656 — high precision through beam micrometers with telecentric lens;

RF656XY — high precision two-axis micrometers.

 

RF651 Series

• direct through beam micrometers

• long distance between transmitter and receiver

 

Measuring ranges, mm:.............25, 50, 75, 100

Accuracy, µm:.......................................± 5…20

Maximum scanning frequency, Hz:...........2000

 

RF656 Series

• high precision micrometers with telecentric lenses

 

Measuring ranges, mm:...........5, 10, 25, 50, 75, 100

Accuracy, µm:..............................................± 0,3…5

Maximum scanning frequency, Hz:........2000, 10000

Optical Micrometers RF65x. Specification

RF65x- RF651-25 RF651-50 RF651-75 RF651-100 RF656-5 RF656-10 RF656-25 RF656-50 RF656-75 RF656-100
Measurement range, mm 25 50 75 100 ±1х5 ±3х10 ±5х25 ±7x50 ±9x75 ±10x100
Minimum size of the object, mm 0,5 1 1,5 2 0,05(0,1) 0,1(0,2) 0,25(0,5) 0,5(1) 0,75(1,5) 1(2)
Accuracy* , um ±5 ±10 ±15 ±20 ±0,3 ±0,5 ±1 ±2 ±3 ±5
Measurement frequency, Hz 500 500 500 500 500 2000 2000 2000 2000 2000
Light source LED
Laser safety class 1 (IEC60825-1)
Synchronization input 2,4 – 5 V (CMOS, TTL)
Logic output three outputs, NPN: 100 mA max; 40 V max
Power supply, V 24 (9…36)
Power consumption, W 1,5...2
Housing materia aluminum
Weight (without cable), gram 600 2000 2600 4000 700 700 700 1600 3200 4500
Output interface digital RS232 (max. 921,6 kbit/s) or RS485 (max. 921,6 kbit/s) or Ethernet & (RS32 or RS485)
analog

* typical data obtained when a knife edge was used to interrupt the beam and distance between transmitter and receiver is equal of two measurement range

 

RF656XY Series

• high precision two-axis micrometers

 

Measuring ranges, mm:................5, 10, 25, 50, 75, 100

Accuracy, µm:...................................................± 0,3…5

Maximum scanning frequency, Hz:............2000, 10000
 

Optical Micrometers RF65xy. Specification

RF65xy RF656xy-5 RF656xy-10 RF656xy-25 RF656xy-50 RF656xy-75 RF656xy-100
Measurement range, mm ±1х5 ±3х10 ±5х25 ±7x50 ±9x75 ±10x100
Minimum size of the object, mm 0,05(0,1) 0,1(0,2) 0,25(0,5) 0,5(1) 0,75(1,5) 1(2)
Accuracy* , um ±0,3 ±0,5 ±1 ±2 ±3 ±5
Measurement frequency, Hz 500 2000 2000 2000 2000 2000
Light source LED
Laser safety class 1 (IEC60825-1)
Synchronization input 2,4 – 5 V (CMOS, TTL)
Logic output three outputs, NPN: 100 mA max; 40 V max
Power supply, V 24 (9…36)
Power consumption, W 1,5...2
Housing materia aluminum
Weight (without cable), gram 1500 1300 2600 6900 10500 13500
Output interface digital RS485 (max. 921,6 kbit/s) or Ethernet & RS485
4…20 mA (load ≤ 500 Ohm) or 0…10 V
analog

* typical data obtained when a knife edge was used to interrupt the beam and distance between transmitter and receiver is equal of two measurement range

 

Model RF651 Operation Principles

The micrometer operation is based on the so-called ‘shadow’ principle. The micrometer consists of two blocks — transmitter, 1 and receiver, 2. Radiation of a LED 3 is collimated by a lens 4. With an object, 5 placed in the collimated beam region, shadow image formed is scanned with a CCD photo-detector array 6. A processor 7 calculates the position (size) of the object from the position of shadow border (s).

 

Model RF656 Operation Principles

The micrometer operation is based on the so-called ‘shadow’ principle. The micrometer consists of two blocks — transmitter, 1 and receiver, 2. Radiation of a red LED 3 is collimated by a lens 4. With an object, 5 placed in the collimated beam region, shadow image formed by telecentric lens 6 and is scanned with a CCD photo-detector array 7. A processor 8 calculates the position (size) of the object from the position of shadow border (s).

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