Dual-port for comparison measurements, xTALK etc. Graphical colour display, result memory and built-in rechargeable battery. Incl. power supply, test leads, PC software and bag.
KE-TDR20 | |
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Ranges (V/2=100 or V/2=10 for loaded cable) | For non-loaded cable: 16 m, 32 m, 64 m, 160 m, 320 m, 1600 m, 3200 m For all cables: 6400 m, 16,000 m, 32,000 m Maximum range depends on cable features. |
Evaluation of results | With cursor and marker in meters |
Zoom | Off, 2.5x, 5x |
Resolution | With zoom: 0.06% of range Without zoom: 0.03% of range |
Accuracy | Sampling 0.01 m Gault location 0.2% od range |
Propagation velocity | For non-loaded cables: V/2 45 to 150 m/μs, VOP 30 to 99% For all cables: V/2 1.2 to 30 m/μs, VOP 0.8 to 20% |
Measuring modes | L1 L2 L1 LONG TIME L2 LONG TIME XTALK L1 & L2 L1 - L2 L1 & MEMORY L1 - MEMORY |
Pulse characteristics | Amplitude: max 12 V peak to peak into 120 Ohm Widths for non loaded cables: 3, 6, 10, 30, 60, 100, 300, 600 ns, 1, 3, 6 μs Width for loaded cables: 330 μs The provided pulse width changes with range. Amplitude: Peak to peak 1.3 to 12 V into 120 Ohm The pulse amplitude changes with gain and width. |
Gain control | Range 0 to 90 dB Steps 6 dB/step |
Line connection | Impedance 120 Ohm balanced Input protection 350 V RMS 50 Hz 500 V DC Balance control 50 to 270 Ohm |
Memory space | 50 waveforms 10 setups 10 user stored PVF values 30 standard cable parameters |
Power supply | Internal rechargeable NIMH battery pack, operation time approx. 8 hours (60 % duty time) Charging (without taking the battery pack out) from 230 V mains with mains adapter / from 12 V car battery with car adapter Charging time approx. 3 hours (fast charging mode) |
Connectors | For mains or 12 V car adapter: 2.1/5.5 mm coaxial L1 and L2 line connectors: 4 mm banana sockets USB B: USB 1.1 device port to connect to PC |
Display | 320 x 240 colour LCD |
Ambient temperature range | Operating: -10 to +50 °C Storage and transport: -20 to +70 °C |
Dimensions | 200 mm x 100 mm x 40 mm |
Weight | 0.8 kg |
Menu languages | English, German, Russian |