COMPANY PRODUCT

Technical Specification
l Hardness scales : HL、 HRC、HRB、HV、HB、HS
l Upper / lower limits setting : (170~960)HLD
l Screen display: 128X64 dot matrix LCD,backlight and adjustable contrast
l Measuring direction:360°（Test at any angle even upside down）
l Data memory:100 group of readings
l Measurable material : Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, nodular cast iron, aluminum casting alloy, copper zinc alloy(brass), copper tin alloy (bronze) , fine copper
l Power: AAA alkaline battery
l Dimensions: 155mm x 68mm x 27mm
l Weight : 0.22Kg (Main Host & D type impact device)
 
Measuring Range Table 1

	System Harndess	Impact device
		D/DC	D+15	C	G	E	DL
Steel and cast steel	HRC	17.9-68.5	19.3-67.9	20.0-69.5		22.4-70.7	20.6-68.2
	HRB	59.6-99.6	-	-	47.7-99.9	-	37.0-99.9
	HRA	59.1-85.8	-	-	-	61.7-88.0	-
	HB	127-651	80-638	80-683	90-646	83-663	81-646
	HV	83-976	80-937	80-996	-	84-1042	80-950
	HS	32.2-99.5	33.3-99.3	31.8-102.1	-	35.8-102.6	30.6-96.8
Wrought Steel	HS	32.2-99.5	-	-	-	-	-
CWT、ST	HRC	20.4-67.1	19.8-68.2	20.7-68.2	-	22.6-70.2	-
	HV	80-898	80-935	100-941	-	82-1009	-
Stainless steel	HRB	46.5-101.7	-	-	-	-	-
	HB	85-655	-	-	-	-	-
	HV	85-802	-	-	-	-	-
GC、IRON	HRC	-	-	-	-	-	-
	HB	93-334	-	-	92-326	-	-
	HV	-	-	-	-	-	-
NC、IRON	HRC	-	-	-	-	-	-
	HB	131-387	-	-	127-364	-	-
C. ALUM	HV	-	-	-	-	-	-
	HB	19-164	-	23-210	32-168	-	-
BRASS	HRB	23.8-84.6	-	22.7-85.0	23.8-85.5	-	-
	HB	-	-	-	-	-	-
BRONZE	HRB	-
	HB	60-290	-	-	-	-	-
COPPER	HB	45-315	-	-	-	-	-

Indication error and indication repeatability Table 2

Num.	Impact device type	Standard sclerometer-hardness	Indication error	Indication repeatability
1	D	760±30HLD 530±40HLD	±6 HLD ±10 HLD	6 HLD 10HLD
2	DC	760±30HLDC 530±40HLDC	±6 HLDC ±10 HLDC	6 HLD 10HLD
3	DL	878±30HLDL 736±40HLDL	±12HLDL	12HLDL
4	D+15	766±30HLD+15 544±40HLD+15	±12HLD+15	12HLD+15
5	G	590±40HLG 500±40HLG	±12HLG	12HLG
6	E	725±30HLE 508±40HLE	±12HLE	12HLE
7	C	822±30HLC 590±40HLC	±12HLC	12HLC