Digital readouts are available which will give test results directly in millinewtons directly. With the pendulum in its initial position ready for test, separate the two clamps by an interval of 2.54 mm [0.10 in.] so align them that the specimen clamped in them lies in a plane perpendicular to the plane of oscillation of the pendulum with the edges of the jaws gripping the specimen in a horizontal line, a perpendicular to which through the axis of suspension of the pendulum is