99 inches / minute. 220v/50/60hz electric penetrometer is same as h-1240 and includes voltage adapter and internal switch on tuning mechanism to change cycle to 50hz. The degree to which lubricating grease resists deformation under the application of force. 1 hr to 09.
1 this test method covers the empirical estimation of the consistency of waxes derived from petroleum by measurement of the extent of penetration of a standard needle. 140 (waxes, bituminous materials and other petroleum products). Determines the consistency of hard lubricating grease and soft petrolatum.