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Made for use with metallic cables, the TDR500/3 is used for precisely locating cable faults over a wide distance.
Handheld and compact for ease of use, the TDR500/3 is suitable across a range of 5km/15kft (depending on velocity factor selected and the type of cable). It has four selectable input impedance (25, 50, 75 and 100Ω) and a velocity factor between 0.2 and 0.99.
The TDR500/3 is one of the only handheld TDRs on the market with a trace HOLD function, allowing the trace to be frozen on the screen for ease of use.
Except where otherwise stated, this specification applies at an ambient temperature of 20°C.
|Ranges||10 m, 25 m, 100 m, 250 m, 1000 m, 2500 m, 5000 m
(30 ft, 75 ft, 300 ft, 750 ft, 3000 ft, 7500 ft, 15000 ft)
|Accuracy||±1% of range ± pixel at 0.67 VF
[Note- The measurement accuracy is for the indicated cursor position only and is conditional on the velocity factor being correct.]
|Resolution||1% of range|
|Input Protection||This instrument complies with IEC61010-1 for connection to live systems up to 150V CAT IV when used with the optional fused test lead set|
|Output Pulse||5V peak to peak into open circuit. Pulse widths determined by range and cable|
|Gain||Set for each range with three user-selectable steps (in manual operation mode)|
|Velocity Factor||Variable from 0.2 to 0.99 in steps of 0.01|
|Power Down||Automatic after 5 mins with no keys pressed|
|Backlight||Stays on for 1 minute with no keys pressed|
|Batteries||5 x LR6 (AA) batteries, manganese alakli or nickel metal-hydride cells|
|Battery Life||Up to 14 hours (typical)|
|Dimensions||230mm x 115mm x 48mm|
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