The Technician (92635) Roller brake tester for trucks with standard roller units. EWJ 92635 has the same facilities as 92635B but is supplied with another type of roller units. The roller units are constructed with the motors placed beneath the rollers. The chassis is fully hot dipped galvanised, which makes the units suitable for outdoor installation. The surfaces of the rollers are “splatter” welded. The units are fitted with the same sensors as 92635B and can be fitted with axle weighing system. Note that the drive-over weight of these roller units is less that the drive-over weight of 92635B. The EWJ 92635 is a standard roller unit of good quality. The sensor for measuring the speed of the wheel. The sensor measuring the speed of the rollers. Fitted with weigh cells