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Open Linear Encoder

OPEN LINEAR ENCODER

High accuracy non-contact open linear encoders are designed for many applications, such as CMM, Vision measuring systems, and microscope, measuring and production equipment in the semiconductor industry, PCB assembly machines, Ultra-precision machines, High-accuracy machine tools, other precision measuring devices.

Carmar’s optical encoder has earned reputation for high performance and cost effective price.

Special features :

Non-contact measurement
Suitable for metrology equipment
Easy mounting with large mounting tolerances
High speed response
Integrated interpolation ASIC electronics in the scanning head
Build-in real RI signal

GPS 20R series specifications

Grating pitch	20 µm
Resolution	0.005 mm¡A0.001 mm ¡A0.0005 mm
Measuring length (ML)	50 mm ~ 1,100mm
Output signal	5V TTL square wave line-driven signals with integral interpolation
Accuracy	± 3 µm/m
Max. output frequency response	500 kHz ( > 240 m/min at 1 µm resolution)
Signal Cable	3.5 m
Working temperature	0 to +40 degrees
Storage temperature	-20 to +50 degrees
Material of grating scale	Glass scales with adhesive tape

Model

Resolution\ML	50mm	100mm	150mm	200mm
0.005mm	GPS 20R50-0050	GPS 20R50-0100	GPS 20R50-0150	GPS 20R50-0200
0.001mm	GPS 20R10-0050	GPS 20R10-0100	GPS 20R10-0150	GPS 20R10-0200
0.0005mm	GPS 20R05-0050	GPS 20R05-0100	GPS 20R05-0150	GPS 20R05-0200
Resolution\ML	250mm	300mm	350mm	400mm
0.005mm	GPS 20R50-0250	GPS 20R50-0300	GPS 20R50-0350	GPS 20R50-0400
0.001mm	GPS 20R10-0250	GPS 20R10-0300	GPS 20R10-0350	GPS 20R10-0400
0.0005mm	GPS 20R05-0250	GPS 20R05-0300	GPS 20R05-0350	GPS 20R05-0400
Resolution\ML	450mm	500mm	600mm	700mm
0.005mm	GPS 20R50-0450	GPS 20R50-0500	GPS 20R50-0600	GPS 20R50-0700
0.001mm	GPS 20R10-0450	GPS 20R10-0500	GPS 20R10-0600	GPS 20R10-0700
0.0005mm	GPS 20R05-0450	GPS 20R05-0500	GPS 20R05-0600	GPS 20R05-0700
Resolution\ML	800mm	900mm	1,000mm	1,100mm
0.005mm	GPS 20R50-0800	GPS 20R50-0900	GPS 20R50-1000	GPS 20R50-1100
0.001mm	GPS 20R10-0800	GPS 20R10-0900	GPS 20R10-1000	GPS 20R10-1100
0.0005mm	GPS 20R05-0800	GPS 20R05-0900	GPS 20R05-1000	GPS 20R05-1100

Dimensions and mounting tolerances (see PDF )

Connector pin outs (see PDF )