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| Product Name | YongLiDa QBY Film pendulum hardness Gauge | YongLiDa QBY-Ⅱ Film pendulum hardness Gauge (counting) |
| Product Price | $248.00 | $390.00 |
| Details | Details | |
| Model comparison | ||
| type | Simple pendulum | Double pendulum |
| Swing bar type | Konig Persoz | |
| Parameter comparison | ||
| Swing rod length | 500±1mm | 500±1mm |
| Total mass of pendulum | 120±1 g | 120±1 g |
| steel ball | Meet the specifications of 8CIII in the GB308 standard | Meet the specifications of 8CIII in the GB308 standard |
| Test environment | Temperature 23 +/- 2 ℃, relative humidity 50 +/- 5% | Temperature 23 +/- 2 ℃, relative humidity 50 +/- 5% |
| Counting method | stopwatch count | automatic counting |
