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 KairDa NDT280 Leeb Hardness Tester
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 DGC DHT-310D Hardness Tester
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Model comparison
| Type | handheld | Pen style | |||
|---|---|---|---|---|---|
| Hardness system | HL HB HRA HRB HRC HV HS | HL HB HRB HRC HV HS | |||
| Accessories | |||||
Parameter comparison
| Measuring range | 30 ~ 110HS170 ~ 960HLD19 ~ 651HB13 ~ 100HRB17 ~ 68.5HRC59 ~ 85HRA80 ~ 976HV | ||||
|---|---|---|---|---|---|
| Measurement direction | Any (360 °) | ||||
| Measurement material | Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, ductile iron, cast aluminum alloy, copper zinc alloy (brass), copper tin alloy (bronze), pure copper, forged steel | ||||
| Error of indication | ±6HLD | ±0.5％(HL=800) | |||
| Hardness system | HL / HB / HRC / HRB / HRA / HV / HS | ||||
| Upper and lower limit setting range | 170~960HLD | ||||
| Indication calibrated | With indication software calibrate function | ||||
| Data Interface | USB2.0 | ||||
| data storage | 600 sets of measurements | ||||
| Dimensions | 125 * 71 * 27mm (host) | 158*41*26mm | |||
| Power | 2 × 1.5V ordinary alkalinity battery | ||||
| Allowable Operating Temperature | -10~55℃ | ||||
| Weight | 0.3KG (host) | 120g | |||
| Indication repeability | ±6HLD | ||||
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