Presto digital torque meter highly efficient testing equipment designed by the experts at Presto is considered to be the number one choice for leading brands in the bottle packaging industry. Here, we will discuss how this digital bottle cap torque tester works. But first, we will discuss the brief information of the digital model of the torque testing machine. The digital model of the torque tester has been specifically designed to make sure that the bottles are safe to use. A torque meter lab testing instrument will be used in PET bottle manufacturing industries and enables the manufacturers to improve their product quality with this effective testing. The equipment has a digital read-out with a least count of 0.1 lbs.-inches. This torque machine with different ranges and capacities of 20 lbs.-inch, 50 lbs.-inch, and 100 lbs.-inch. Safety locks pin to eliminate extra torque applications on the sample. Strong clamping pegs/holders for zero slip gripping support. you can do this by first starting this lab testing instrument and plugging it in a 3 Pin - 5 Amp. Power supply socket. Once you turn the machine ON, then the load indicator might show some readings due to previous test values.