Model DI-5-RL02DI-5-RL2DI-5-RL10DI-5-TW15DI-5-TW20 measurement error of ± 0.5% range of functional LC: liquid crystal display / RS: RS232C output / LH: Torque test function / MY: Data Memory function PO: Auto power off / IO: Clear Function / BA: battery capacity display external dimensions measuring head φ20 * 97 (L) mm probe φ30 * 145 (L) mm probe φ30 * 132 (L) mm probe φ28 * 150 (L) mm direction of the direction of 9.5mm 6.35mm approved accessories φ4 mouth 0 ', 1'6 .35 HEX * 1', 2 'one-way mechanical sleeve box \ AC charger, a box of each \ AC charger 1 each box, AC charger, 1 each