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Appendix A: Specifications
A–2
1502C MTDR User Manual
Table A–1: Electrical Characteristics (Cont.)
Characteristic Supplemental InformationPerformance Requirement
Distance Measurement
Accuracy 1.6 inches or ±1% of distance measured,
whichever is greater
For cables with Vp = 0.66
For delta mode measurements
Error ≤0.5% for distance ≥27 ft
Error ≤1.0% for distance ≥14 ft
Error ≤2.0% for distance ≥7 ft
Error ≤10% for distance ≥1.5 ft
Cursor Ohms Readout
Range 1 W to 1 kW
Resolution 3 significant digits
Accuracy ±10% with serial cable impedance
correction (relative impedance
measurements ±2%)
Horizontal
Scales 0.1 ft/div to 200 ft/div (0.25 m/div to 50 m/div)
Range 1 ft to 2,000 ft (0.25 m to 500 m)
Horizontal Position Any distance to full scale can be moved on
screen
Vp Propagation velocity relative to air
Range 0.30 to 0.99
Resolution 0.01
Accuracy Within ±1% Included in total timebase error tolerance
Custom Option Port Tektronix Chart Recorders YT–1 and YT–1S are
designed to operate with the 1502C. Produces
a high resolution thermal dot matrix recording of
waveform and switch values.
Line Voltage 115 VAC (90 to 132 VAC) 45 to 440 Hz
230 VAC (180 to 250 VAC) 45 to 440 Hz
Fused at 0.3 A
Fused at 0.15 A
Battery Pack
Operation 8 hours minimum, 30 chart recordings maxi-
mum
+15°C to +25°C charge and discharge temp,
LCD backlight off. Operation of instrument with
backlight on or at temps below +10°C will
degrade battery operation specification
Full Charge Time 20 hours maximum
Overcharge Protection Charging discontinues once full charge is
attained
Discharge Protection Operation terminates prior to battery damage
Charge Capacity 3.4 Amp-hours typical
Charge Indicator Bat/low will be indicated on LCD when capacity
reaches approximately 10%