U1253B User’s and Service Guide XVII
List of Figures
Figure 1-1 Tilt-stand at 60° 5
Figure 1-2 Tilt-stand at 30° 6
Figure 1-3 Tilt-stand at hanging position 7
Figure 1-4 U1253B front panel 8
Figure 1-5 Rear panel 9
Figure 1-6 Rotary switch 10
Figure 1-7 U1253B keypad 11
Figure 1-8 Connector terminals 27
Figure 2-1 Measuring AC voltage 31
Figure 2-2 Measuring DC voltage 32
Figure 2-3 Measuring
μA and mA current 34
Figure 2-4 Measurement scale of 4 mA to 20 mA 36
Figure 2-5 A (ampere) current measurement 37
Figure 2-6 Measuring frequency 39
Figure 2-7 Type of display when Smart
Ω is enabled 41
Figure 2-8 Measuring resistance 42
Figure 2-9 Resistance, audible continuity, and conductance
tests 43
Figure 2-10 Short continuity and open continuity test 45
Figure 2-11 Conductance measurement 46
Figure 2-12 Measuring the forward bias of a diode 48
Figure 2-13 Measuring the reverse bias of a diode 49
Figure 2-14 Capacitance measurements 51
Figure 2-15 Connecting the thermal probe into the non-compensa-
tion transfer adapter 53
Figure 2-16 Connecting the probe with adapter into the
multimeter 53
Figure 2-17 Surface temperature measurement 55
Figure 2-18 Input terminal warning 57
Figure 2-19 Charge terminal alert 58
Figure 3-1 Dynamic recording mode operation 59
Figure 3-2 Data hold mode operation 61
Figure 3-3 Refresh hold mode operation 63
Figure 3-4 Null (relative) mode operation 65
Figure 3-5 dBm display mode operation 67
Figure 3-6 dBV display mode operation 68