Product Name YongLiDa QBY-Ⅱ Film pendulum hardness Gauge (counting) JFL QHD Pendulum damping Tester
Product Price $390.00 $654.00
Details Details
Model comparison
type Double pendulum Double pendulum
Swing bar type Konig Persoz Konig Persoz
Parameter comparison
Swing rod length 500±1mm
Total mass of pendulum 120±1 g
steel ball Meet the specifications of 8CIII in the GB308 standard
Test environment Temperature 23 +/- 2 ℃, relative humidity 50 +/- 5%
Counting method automatic counting