6
Fault Mapper Pro Model CA7026
CHAPTER 3
SPECIFICATIONS
Ranges @ Vp=70%:
100, 220, 440, 870, 1750 & 3500 m
330, 670, 1470, 2900, 5830 & 11,700 ft
Resolution:
Approximately 1% of selected range
Accuracy*:
±1% of range
Range Selection:
Automatic range selection against
cursor position
Minimum Cable Length:
50 ft (15m)
Sensitivity:
Minimum 3 pixel return on a fault at
6000 ft (2000m)
Vp (Velocity of Propagation):
Adjustable from 0% to 99% in
1% steps
Output Pulse:
+5V into an open circuit or +1.5V
into 50
Ω
load; 25ns min to 2.15µs
dependent on range
Cable Impedance:
Selectable between 50, 75 & 100
Ω
Display Resolution:
128 x 64 pixel Graphical LCD
Display Backlight:
Electroluminescent
Tone Generator:
Oscillating tone 810Hz - 1110Hz
Voltage Warning:
Triggers @ >10V (AC/DC)
Scan Rate:
Single Shot or 6.7 pulses per
second (user selectable)
Power Supply:
4 x 1.5V AA alkaline batteries
*Measurement accuracy of ±1% assumes the instrument setting for velocity of propagation
(Vp) of the cable under test to be accurately set, and homogeneity of the velocity of propaga-
tion (Vp) along the cable length. Accurate positioning of the cursor is also required.
Содержание CA7026
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