Keysight U1253B User’s and Service Guide 15List of FiguresFigure 1-1 Tilt-stand at 60° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25Figure 1-2 Tilt-stand at 30° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26Figure 1-3 Tilt-stand at hanging position . . . . . . . . . . . . . . . . . . .27Figure 1-4 U1253B front panel . . . . . . . . . . . . . . . . . . . . . . . . . . .28Figure 1-5 Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29Figure 1-6 Rotary switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30Figure 1-7 U1253B keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31Figure 1-8 Connector terminals . . . . . . . . . . . . . . . . . . . . . . . . . . .48Figure 2-1 Measuring AC voltage . . . . . . . . . . . . . . . . . . . . . . . . .53Figure 2-2 Measuring DC voltage . . . . . . . . . . . . . . . . . . . . . . . . .55Figure 2-3 Measuring μA and mA current . . . . . . . . . . . . . . . . . . .58Figure 2-4 Measurement scale of 4 mA to 20 mA . . . . . . . . . . . . .60Figure 2-5 A (ampere) current measurement . . . . . . . . . . . . . . . .61Figure 2-6 Measuring frequency . . . . . . . . . . . . . . . . . . . . . . . . . .63Figure 2-7 Type of display when Smart Ω is enabled . . . . . . . . . .65Figure 2-8 Measuring resistance . . . . . . . . . . . . . . . . . . . . . . . . . .66Figure 2-9 Resistance, audible continuity, and conductancetests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67Figure 2-10 Short continuity and open continuity test . . . . . . . . . .69Figure 2-11 Conductance measurement . . . . . . . . . . . . . . . . . . . . .70Figure 2-12 Measuring the forward bias of a diode . . . . . . . . . . . .72Figure 2-13 Measuring the reverse bias of a diode . . . . . . . . . . . . .73Figure 2-14 Capacitance measurements . . . . . . . . . . . . . . . . . . . .75Figure 2-15 Connecting the thermal probe into thenon-compensation transfer adapter . . . . . . . . . . . .77Figure 2-16 Connecting the probe with adapter into themultimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77Figure 2-17 Surface temperature measurement . . . . . . . . . . . . . . .79Figure 2-18 Input terminal warning . . . . . . . . . . . . . . . . . . . . . . . . .81Figure 2-19 Charge terminal alert . . . . . . . . . . . . . . . . . . . . . . . . . .82Figure 3-1 Dynamic recording mode operation . . . . . . . . . . . . . .85Figure 3-2 Data hold mode operation . . . . . . . . . . . . . . . . . . . . . .87Figure 3-3 Refresh hold mode operation . . . . . . . . . . . . . . . . . . .89Figure 3-4 Null (relative) mode operation . . . . . . . . . . . . . . . . . . .91
