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	META-TEST INSTRUMENTS PVT. LTD.

STANDARD - ROCKWELL HARDNESS TESTING MACHINES ( Model : MRS )

•	This machine is designed for measuring hardness of metals & alloys of all kinds, hard or soft, whether round, flat or irregular in shapes.
•	This machine is ideally suitable for laboratories, tool rooms, Heat treatment shops, R&D departments, inspection departments, foundries & educational institutions.
•	Automatic weight selection with automatic zero setting dial gauge.
•	Rockwell test minor load is 10 kgf & major loads are 60,100,150 kgf.
•	Rockwell hardness scales such as HRA, HRB, HRC, etc. is obtained by using different types of indentors ( Diamond / Ball ).
•	Test height x Throat is – 215 x 132 mm
•	Extra test height & throat of 295 x 148 mm, Model : MRS-150 is also available.
•	Motorized versions are also available.
•	Machines strictly conforms to IS:1586- 2000.

TECHNICAL SPECIFICATIONS OF STANDARD ROCKWELL HARDNESS TESTERS ( in bold ) -

Model	MRS	MRS-150	MRB	MRB-250	MSM
Test Loads (Kgf)	60, 100, 150 (Rockwell)	60, 100, 150 (Rockwell)	60, 100, 150 (Rockwell) 187.5 (Brinell)	60, 100, 150 (Rockwell) 187.5, 250 (Brinell)	60, 100, 150 (Rockwell) 15, 30, 45 (Rockwell Superficial)
Initial Loads (Kgf)	10	10	10	10	10 (Rockwell) & 3 (Rockwell Superficial)
Max. Test Height (mm)	215	295	215	295	295
Depth of Throat (mm)	132	148	132	148	148
Max. Depth of Elevating Screw Below Base (mm)	230	295	230	295	295
Size of Base (mm) (Approx.)	430 x 180	475 x 220	430 x 180	475 x 220	475 x 220
Machine Height (mm)	635	865	635	865	865
Nett Weigth (kg.) (Approx.)	65	106	70	125	120

Standard Accessories -

Model	MRS	MRS-150	MRB	MRB-250	MSM
Rockwell Diamond Indentor	1 No.	1 No.	1 No.	1 No.	1 No.
Superficial Diamond Indentor	--	--	--	--	1 No.
Testing Table f 50 mm	1 No.	1 No.	1 No.	1 No.	1 No.
Testing Table f40 mm with ‘V’ Groove for round Jobs f 6 to 45 mm	1 No.	1 No.	1 No.	1 No.	1 No.
Steel Ball Indentor f1/16”	1 No.	1 No.	1 No.	1 No.	1 No.
Steel Ball Indentor f2.5 mm	--	--	1 No.	1 No.	--
Steel Ball Indentor f5 mm	--	--	--	1 No.	--
Test Block HRC	1 No.	1 No.	1 No.	1 No.	1 No.
Test Block HRB	1 No.	1 No.	1 No.	1 No.	1 No.
Test Block HB 2.5mm/187.5 Kgf	--	--	1 No.	1 No.	--
Test Block Rockwell Superficial 30N	--	--	--	--	1 No.
Steel Ball f1/16”	5 Nos.	5 Nos.	5 Nos.	5 Nos.	5 Nos.
Allen Spanners	3 Nos.	3 Nos.	3 Nos.	3 Nos.	3 Nos.
Clamping Device	1 No.	1 No.	1 No.	1 No.	1 No.
Brinell Microscope	--	--	1 No.	1 No.	--
PVC Cover for Machine	1 No.	1 No.	1 No.	1 No.	1 No.
Rubber Bellow	1 No.	1 No.	1 No.	1 No.	1 No.
18. Instruction Manual	1 Book	1 Book	1 Book	1 Book	1 Book

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