COMPANY PRODUCT

1. Digital Superficial Rockwell Hardness Tester is a high-tech and new product combining the mechanic and electric features, which is able to measure the superficial Rockwell hardness value. The tester is with a novel and pleasing appearance and a direct-viewing LCD screen displaying device. It is an update product of popular superficial Rockwell hardness tester. Its main function is as follows:
1.1 The selection of superficial Rockwell hardness scales;
1.2 The hardness values exchange among various hardness scales;
1.3 The output-printing of hardness testing results;
1.4 The RS-232 hyper terminal settings is for the functional expansion by the client.
 
Technical specifications
1.  The Initial Test Force: 29.42N (3kg);  Tolerance: ±2.0%
2.  The Total Test Force: 147.1N (15kg), 294.2N (30kg), 441.3N (45kg)； Tolerance:±1.0%
3.  The Allowed Tolerance of Display Value of the Hardness Tester 
 

Scales	Hardness Range of the Standard Hardness Blocks	Max. Tolerance of Displaying Value
HR15N	(70～94)HR15N	±2HRN
HR30N	(42～86)HR30N
HR45N	(20～77)HR45N
HR15T	(67～93)HR15T	±3HRT
HR30T	(29～82)HR30T
HR45T	(10～72)HR45T

 
4.  The Indenter Specifications:
4.1  The diamond Rockwell indenter
4.2  The ф1.5875 mm ball indenter
5.  The Power Source and the Voltage:   AC220V±5%, 50-60 HZ
6.  Time-delayed control:   2~60 seconds, adjustable
7.  The Max. Height of the Testing Specimen:  175 mm
8.  The Distance from the Indenter Center to the Instrument Body:  165mm.
9.  The Overall Dimension of the Hardness Tester:    520×215×700mm.
10.  The Net Weight of the Tester:      73kg
 
Accessories (The Packing List) 
 

No.	Description of Goods	Quantity
1	Diamond Rockwell Indenter	1 PC
2	ф1.5875mm Ball Indenter	1 PC
3	Testing Table (Big, Middle, "V"-Shaped)	TOTAL 3 PCS
	Standard Superficial Rockwell Hardness Block
4	HR30T	1 PC
5	HR15N, HR30N	TOTAL 2 PCS
6	Fuse 2A	2 PCS
7	Power Cable	1 PC
8	Weight A,B,C	TOTAL 3 PCS
9	Level	1 PC
10	Horizontal Regulating Screws	4 PCS
11	Screwdriver	1 PC
12	Spanner	1 PC
13	Printer Operating Manual	1 PC
14	Usage Instruction Manual	1 PC