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Rockwell Hardness Testers |
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RAS |
RAB - 250 |
RAB - TWIN |
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Features : |
Rockwell, Rockwell Brinell Combined, Rockwell / Rockwell Superficial Combined System Hardness Testers. |
Hardness Testers, Model RAS, RAB-1, RAB-250, TWIN are manually operated. All these models are suitable for testing hardness of metals sand alloys of all kinds hard or soft, whether flat, round, or irregular shape. These testers are simple in design and easy to operate, yet sensitive & accurate. Various models from the wide range are suitable for schools, laboratories, tool-rooms, inspection, heat treatment departments, factories etc.
These testers strictly confirms to IS : 1586 - 2000, ASTM : E 18 for Rockwell Superficial Test and IS : 2281 - 2005, ASTM : E 10 for Brinell test. |
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| Model RAS : |
Model RAB-1 |
Model TWIN |
Automatic load selection with
automatic zero
setting dial gauge.
Manual operation. |
Automatic load selection &
automatic zero setting dial gauge. Facility for
Brinell tests with 187.5 kgf. load with 2.5 mm
Ball indicator, additional load
250
kgf. with 5mm Ball indentor for testing
hardness
of non- ferrous metals. |
Automatic load selection with automatic zero setting dial gauge.
Manual operation.
Diamond holder is guided in a ball cage, which enables testing of small pins having dia. Less
than 6 mm (up to 3mm dia.) |
| Model RAB 250 |
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Similar to 'RAB-1' but of bigger
capacity. Diamond holder is guided in a
ball cage, which enables testing of small
pins having dia less than 6 mm ( up to 3 mm
dia.) |
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| Standard Accessories : |
Model |
RAS /RASM |
RAB-1 / RAB-250 |
TWIN |
Testing table 50mm dia |
1 pc. |
1 pc. |
1 pc. |
Testing Table 38mm dia with
'V groove for round jobs 6
to 45mm dia. |
1 pc. |
1 pc. |
1 pc. |
Diamond Indentor 120° |
1 pc. |
1 pc. |
1pc. |
Stell ball Indentor 1/16" |
1 pc. |
1 pc. |
1 pc. |
Test Block Rockwell 'C |
1 pc. |
1 pc. |
1 pc. |
Test Block Rockwell 'B' |
1 pc. |
1 pc. |
1 pc. |
Test Block Rockwell
Superficial 'N' |
Nil |
Nil |
1 pc. |
Allen Spanners |
5 pcs |
5 pcs |
5 pcs |
Clamping Device |
1 pc. |
1 pc. |
1 pc. |
Dash Pot Oil |
1 Bottle |
1 Bottle |
1 Bottle |
Rubber bellow for elevating
screw protection |
1 pc. |
1 pc. |
1pc. |
Instruction Manual |
1 Book |
1 Book |
1 Book |
Brinell Microscope |
Nil |
1 pc. |
Nil |
Stell Ball Indentor 2.5mm |
Nil |
1 pc. |
Nil |
Test Block HB 2.5/187.5 |
Nil |
1 pc. |
Nil |
Stell Ball Indentor 5mm ' |
Nil |
1 'pc. -. |
Nil |
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Technical Data : |
Model |
Unit |
RAS |
RASM |
RAB-1 |
RAB-250 |
TWIN |
Loads |
kgf. |
60, 100 150 |
60, 100 150 |
60, 100, 150, 187.5, 250 |
60, 100, 150, 187.5, 250 |
15, 30, 45 (Rockwell Superficial)
60,100,150 (Rockwell) |
Initial Load |
kgf. |
10 |
10 |
10 |
10 |
3 (Rockwell Superficial) 10
(Rockwell) |
Max. Test Height |
mm. |
230 |
230 |
230 |
330 |
330 |
Depth of Throat |
mm. |
133 |
133 |
133 |
150 |
150 |
Max. depth ot elevating screw
below base |
mm. |
240 |
240 |
240 |
355 |
355 |
Size of base (approx.) |
mm |
170x430 |
170x430 |
170x430 |
210x474 |
210x474 |
Machine Height (approx.) |
mm |
655 |
655 |
655 |
850 |
850 |
Nett Weight (approx.) |
kg. |
65 |
65 |
65 |
100 |
100 |
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Loads & Indentors for Hardness Testers for Rockwell & Brinell Tests. |
Total load in kgf. (Initial
load 10 kgf.)
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Tests on case hardened stell
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Annealed, Ferrous & non
ferrous metals
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Annealed, hardened &
tempered deep case hardened
steel
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Annealed steel & cast irons
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Copper, Copper alloys & Al.
alloys
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