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
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Measuring Range
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HLD(170-960)
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Impact Derections
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up,down,horizontal,slanting up,slanting down
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Measuring materials
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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
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Hardness scales
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Leeb, Brinell, Rockwell A,B,C, Vicker, Shore
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Display
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128*64 digital matrix LCD
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Memory
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500 group(32 every group)
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Work voltage
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3V( 2 AA alkaline battaries)
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Interface port
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RS232
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Dimensions
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132mm*76mm*33mm
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Weight
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345g
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Continuous working period
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100 hours (with backlight off)
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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 |
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2
|
DC
|
760±30HLD
530±40HLD |
±6 HLDC
±10 HLDC |
6HLD
10HLD |
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3
|
DL
|
878±30HLD
736±40HLD |
±12 HLDL
|
12HLDL
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|
4
|
D+15
|
766±30HLD
544±40HLD |
±12 HLD+15
|
12HLD+15
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5
|
G
|
590±40HLD
500±40HLD |
±12 HLG
|
12HLG
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|
6
|
E
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725±30HLD
508±40HLD |
±12 HLE
|
12HLE
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|
7
|
C
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822±30HLD
590±40HLD |
±12 HLC
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12HLC
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