Sonel WMGBTDR420 TDR-420 Time Domain Reflectometer
- Part #:WMGBTDR420
- Model #:TDR-420
- Condition:Brand New
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Technical details
| Measuring ranges | 20, 45, 90, 180, 360, 750, 1500, 3000, 6000, 10000, 20000 [ft] 7 m, 15 m, 30 m, 60 m, 120 m, 250 m, 500 m, 1 km, 2 km, 3 km, 6 km |
| Accuracy | 1% of selected range |
| Resolution | approx. 1% of range |
| Minimum cable length | 4 m |
| Velocity of propagation | within 10…99% or 15…148.5 m/μs |
| Output impulse | 5 Vp-p for an open circuit |
| Output impedance | 25, 50, 75, 100, 125 and 200 Ω |
| Impulse width | 3 ns…3 μs (depending on the range) |
| Scanning type | up to 3 scans/s or a single scan (ONCE mode) |
| Generated acoustic signal | 810 - 1100 Hz |
| Operating time on a full battery | up to 8 hours of continuous scanning |
| Power supply | 4 x alkaline batteries 1.5 V AA type or 4 x NiMH AA rechargeable batteries |
| Auto-off function | 1, 5, 10, 15 minutes or deactivated |
| Display | colour 3.5" LCD TFT, 320 x 240 pixels |
| Overvoltage protection | 400 V DC / 250 V AC |
| Operating temperature | -20...+70°C | -4...+158°F |
| Storage temperature | -30°...+80°C | -22...+176°F |
| Electromagnetic compatibility standards (EMC) | EN 61326-1 |
| Degree of protection / tightness | IP67 |
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