The GB-ER series combines original Magnescale technology and legendary durability with a built-in reference point. The relative positional relationship between the scale part and slider part is adjusted and secured using a slider holder.
GB-ER is a product that includes the SR138R series and a CH04-03C connection cable which has already been electronically adjusted.
Key features
Excellent durability against workshop conditions – resistant to oil, dirt, shock and vibration.
Compact design for a space-saving installation.
Accuracy: Highly accurate (5+5L/1000)μm
Resolution: 0.5μm
Simple structure should be conducive to long life.
Same coefficient of expansion as that of machine tools
DRO mount Magnescale GB-ER unit (SR138R)
Renowned for its legendary accuracy and reliability, the GB-ER is suitable for precise, high-resolution applications.
GB-ER scale + cable units
Part number Model Description 97928518 GB-5ER with 3 m cable; ML*: 50 mm 97928519 GB-10ER with 3 m cable; ML*: 100 mm 97928520 GB-15ER with 3 m cable; ML*: 150 mm 97928521 GB-20ER with 3 m cable; ML*: 200 mm 97928522 GB-25ER with 3 m cable; ML*: 250 mm 97928523 GB-30ER with 3 m cable; ML*:300 mm 97928524 GB-35ER with 3 m cable; ML*: 350 mm 97928525 GB-40ER with 3 m cable; ML*: 400 mm 97928526 GB-45ER with 3 m cable; ML*: 450 mm 97928527 GB-50ER with 3 m cable; ML*: 500 mm 97928528 GB-55ER with 3 m cable; ML*: 550 mm 97928529 GB-60ER with 3 m cable; ML*: 600 mm 97928530 GB-65ER with 3 m cable; ML*: 650 mm 97928531 GB-75ER with 3 m cable; ML*: 750 mm 97928532 GB-85ER with 3 m cable; ML*: 850 mm 97928533 GB-95ER with 3 m cable; ML*: 950 mm 97928534 GB-105ER with 3 m cable; ML*: 1.050 mm 97928535 GB-125ER with 3 m cable; ML*: 1.250 mm 97928536 GB-140ER with 3 m cable; ML*: 1.400 mm 97928537 GB-160ER with 3 m cable; ML*: 1.600 mm 97928538 GB-185ER with 3 m cable; ML*: 1.850 mm 97928539 GB-205ER with 3 m cable; ML*: 2.050 mm 97928540 GB-220ER with 3 m cable; ML*: 2.200 mm
SR138 scales
Part number Model Description 97928541 SR138-005R SR138-005R Scale (ML 5cm) 97928542 SR138-010R SR138-010R Scale (ML 10cm) 97928543 SR138-015R SR138-015R Scale (ML 15cm) 97938760 SR138-015RT01 SR138-015RT01 Scale (ML 15cm), head cable length 2m 97928544 SR138-020R SR138-020R Scale (ML 20cm) 97928545 SR138-025R SR138-025R Scale (ML 25cm) 97928546 SR138-030R SR138-030R Scale (ML 30cm) 97928547 SR138-035R SR138-035R Scale (ML 35cm) 97928548 SR138-040R SR138-040R Scale (ML 40cm) 97928549 SR138-045R SR138-045R Scale (ML 45cm) 97928550 SR138-050R SR138-050R Scale (ML 50cm) 97928551 SR138-055R SR138-055R Scale (ML 55cm) 97928552 SR138-060R SR138-060R Scale (ML 60cm) 97928553 SR138-065R SR138-065R Scale (ML 65cm) 97928554 SR138-075R SR138-075R Scale (ML 75cm) 97501476 SR138-075RSS600 SR138-075RSS600 Scale (ML 75cm), Ref 600mm 97928555 SR138-085R SR138-085R Scale (ML 85cm) 97928556 SR138-095R SR138-095R Scale (ML 95cm) 97928557 SR138-105R SR138-105R Scale (ML 105cm) 97501470 SR138-105RSS900 SR138-105RSS900 Scale (ML 105cm), Ref 900mm 97928558 SR138-125R SR138-125R Scale (ML 125cm) 97928559 SR138-140R SR138-140R Scale (ML 140cm) 97928560 SR138-160R SR138-160R Scale (ML 160cm) 97928561 SR138-185R SR138-185R Scale (ML 185cm) 97928562 SR138-205R SR138-205R Scale (ML 205cm) 97928563 SR138-220R SR138-220R Scale (ML 220cm)
Cable for SR138R
Part number Model Description 97958564 CH04-03C Cable for SR138R (3 m; armored) 97938706 CH04-05CT01 Cable for SR138R (5 m; armored) 97966101 CE10-01C Extension cable (1 m; armored) 97966102 CE10-03C Extension cable (3 m; armored) 97966103 CE10-05C Extension cable (5 m; armored) 97966104 CE10-10C Extension cable (10 m; armored) 97930125 SZ51-AB01 (AB/UD; RS422/TLL; configurable) 97928895 CE30 Adaptor cable
Model GB-ER
Measurement Length (ML) L: mm(inch) 50 (1.9″), 100 (3.9″), 150 (5.9″), 200 (7.8″), 250 (9.8″), 300 (11.8″), 350 (13.7″), 400 (15.7″), 450 (17.7″), 500 (19.6″), 550 (21.6″), 600 (23.6″), 650 (25.5″), 750 (29.5″), 850 (33.4″), 950 (37.4″), 1050 (41.3″), 1250 (49.2″), 1400 (55.1″), 1600 (62.9″), 1850 (72.8″), 2050 (80.7″), 2200 (88.6″)
Overall length Measuring length + 104 (4.1(50 to 200 mm)”) Measuring length + 120 (4.7(250 to 2200 mm)”)
Max. travel L + 14 mm (50 to 200 mm) Overall length (250 to 2200 mm) L + 30 mm (250 to 2200 mm) Overall length (50 to 200 mm)
With or without Centerfootplate Included with ML: 1050 mm to 2200 mm Excluded ML: 50 mm to 950 mm
Accuracy at 20 °C /68 °F (5 + 5L / 1000) μm
Resolution 0.5 μm
Max. response speed (scale signal, reference signal) 60 m/min
Reference point Standard:Center of scale, User-defined position also available
Mounting parallelism ± 0.1 mm
Thermal expansion coefficient (11±1) x 10-6/ °C
Operating temperature 0 °C to 40 °C/ 32 °F to 104 °F
Storage temperature -20 °C to 50 °C/ 4 °F to 122 °F
Head cable length 0.3 m
Cable length 3 m
Protective design grade Scale: IP65 (Interpolation Unit: IP30)
Output signal AB/ quadrature signal, Z signal
Power supply +5 VDC ±5 %
Connector D-sub 9 pin
Power consumption Max. 200 mA
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