Dilihat 499x

Minimum compressive resistance: 18 metric tons
First, to install the specimen on the tester base Then, to coincide both the center of the steel bar (min. diameter 25 mm, min. thickness 10 mm) and the convex part of the specimen. At last, to avoid the vibration during the testing process, so increase loading slowly.
Impact resistance: no crack or chip may be viewed after ball-impact test
Hardened-steel Ball (1.0kg) with a diameter of 63.5mm Means for dropping the ball freely from 1.5meter height.

Ambient Temperature: -20°C ~ +70°C.

Solar Panel
a. Operation voltage: 1.92V
b. Operation current: 160mA

Battery
a. Material: Ni-Mh rechargeable battery
b. Operation voltage:1.2V
c. Capacity: 1.2AH
d. Charge time: 8 hours
e. Continued working: 4-5days

LED Blink speed: 300 time/ minute ± 10%
LED: 6LEDs

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