Model MH180 hardness tester is develop model of HL200, its in durable metal case, hardness scales are convertable among hardness units: HRB, HRC, HV, HB, HS, HL ;attachable thermal mini-printer, fast on-site print;software data and upperlower limits setting and sound alarm; large storage capacity.
SPECIFICATIONS
|
Measuring Range
|
HLD(170-960)
|
|
Impact Derections
|
up,down,horizontal,slanting up,slanting down
|
|
Measuring materials
|
steel and cast steel, cold work tool steel, stainless steel,grey cast iron, nodular cast iron,cast aluminium allorys,brass(coppper-zinc alloys), Bronze(copper-alluminium alloys/copper-tin alloys),wrought copper alloys
|
|
Hardness scales
|
Leeb, Brinell, Rockwell A,B,C, Vicker, Shore
|
|
Display
|
128*64 digital matrix LCD
|
|
Memory
|
500 group(32 every group)
|
|
Work voltage
|
3V( 2 AA alkaline battaries)
|
|
Interface port
|
RS232
|
|
Dimensions
|
132mm*76mm*33mm
|
|
Weight
|
345g
|
|
Continuous working period
|
100 hours (with backlight off)
|
ACCURACY AND REPEATABILITY OF DISPLAYED VALUE
| No. | Type of impact device | Hardness value of Leeb standard hardness block | Erro of displyed value | Reapeatability of displayed value |
|
1
|
D
|
760±30HLD |
±6 HLD |
6HLD
10HLD |
|
2
|
DC
|
760±30HLD
530±40HLD |
±6 HLDC
±10 HLDC |
6HLD
10HLD |
|
3
|
DL
|
878±30HLD
736±40HLD |
±12 HLDL
|
12HLDL
|
|
4
|
D+15
|
766±30HLD
544±40HLD |
±12 HLD+15
|
12HLD+15
|
|
5
|
G
|
590±40HLD
500±40HLD |
±12 HLG
|
12HLG
|
|
6
|
E
|
725±30HLD
508±40HLD |
±12 HLE
|
12HLE
|
|
7
|
C
|
822±30HLD
590±40HLD |
±12 HLC
|
12HLC
|
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