Magnescale GB-A (SR128)

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A high accuracy SR128 scale that offers higher functionality and reliability with a compact, slim shape and excellent resistance to workshop conditions

Sucessor

Sucessor: SR138 (GB-ER)

CH01 cable is discontinued, SR128 scale is still available. Connector to the counter and output signal changed with the successor.

Key features

Compact size and lightweight
Easy to install
Same coefficient of expansion as machine tools
Highly resistant to oils and dirt
Resolution: 0.5µm
Measuring length: 50 – 2,200mm
Accuracy: ±5µm
Protection class: IP58

The SR127, SR128 and GB-A series of linear scales are semi-modular types that incorporate the detector inside the scale, and the relative positions of their scale and head are adjusted and secured using a slider holder.

The GB-A series includes an electrically adjusted connection cable (CH01 series), allowing it to be used as is with Magnescale display units (LG10, LH51/52, LH61/62, LY51/52 series act.) * Some models now discontinued

Part number	Model	Description
97966601	SR128-005	SR128-005 Scale (ML 5cm)
97966602	SR128-010	SR128-010 Scale (ML 10cm)
97966603	SR128-015	SR128-015 Scale (ML 15cm)
97966604	SR128-020	SR128-020 Scale (ML 20cm)
97966605	SR128-025	SR128-025 Scale (ML 25cm)
97966606	SR128-030	SR128-030 Scale (ML 30cm)
97966607	SR128-035	SR128-035 Scale (ML 35cm)
97966608	SR128-040	SR128-040 Scale (ML 40cm)
97966609	SR128-045	SR128-045 Scale (ML 45cm)
97966610	SR128-050	SR128-050 Scale (ML 50cm)
97966611	SR128-055	SR128-055 Scale (ML 55cm)
97966612	SR128-060	SR128-060 Scale (ML 60cm)
97966613	SR128-065	SR128-065 Scale (ML 65cm)
97966614	SR128-075	SR128-075 Scale (ML 75cm)
97966615	SR128-085	SR128-085 Scale (ML 85cm)
97966616	SR128-095	SR128-095 Scale (ML 95cm)
97966617	SR128-105	SR128-105 Scale (ML 105cm)
97966618	SR128-125	SR128-125 Scale (ML 125cm)
97966619	SR128-140	SR128-140 Scale (ML 140cm)
97966620	SR128-160	SR128-160 Scale (ML 160cm)
97966621	SR128-185	SR128-185 Scale (ML 185cm)
97966622	SR128-205	SR128-205 Scale (ML 205cm)
97966623	SR128-220	SR128-220 Scale (ML 220cm)
97501097	SR128-220L0BN1	SR128-220L0BN1 Scale (ML 220cm), head cable length 1,5m, two heads

Model	GB-A
Measuring length L (mm)	50/100/150/200	250/300/350/400/450/500/550/600/650/750/850	950/1050/1250/1400/1600/1850	2050/2200
Overall length (mm)	L+104mm	L+120mm
Max. travel	L + approx. 14mm (7mm each end)	L + approx. 30mm (15mm each end)
Accuracy (at 20°C)	(5+5/1000)µm
Resolution	0.5µm
Max. response speed	60m/min
Mounting parallelism	0.1mm
Expansion coefficient	(11±1) x 10^6/°C
Protection class	Equivalent to IP54
Operating temperature	0 to 40°C
Storage temperature	-10 to 50°C
Cable length	Standard: 3m (CH01-03C)		Standard: 5m (CH01-05C)	Standard: 10m (CH01-10C)