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Discontinued!
This product has been discontinued and is no longer available.
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The Megger TDR900 Hand-held Time Domain Reflectometer/Cable Length Meter Features include a large, backlit LCD screen and user-friendly interface.
The Megger TDR900 offers exceptional features and a range capability normally associated with far more expensive instruments. The measurement range spans from 15 feet (5 m) to 10,000 feet (3 km) with a minimum resolution of 20 inches (50 cm). The TDR900 can be used for any cable consisting of at least two insulated metallic elements, one of which may be the sheath or shield of the cable. The Meter has automatic internal matching networks to allow testing of 25O, 50O, 75O, 100O, 125O, or 150O cables. (These correspond to power, telephony, CATV, and LAN cables.) The Meter can be closely matched to the cable under test using the menu selection keys. The propagation velocity value can be similarly adjusted to match the cable under test; thus ensuring an accurate distance measurement. The other user adjustable setting is changing the distance measurement units (feet or meters). The Meter is housed in a rugged ABS enclosure which is dust and weatherproof to IP 42. The unit also comes with a soft carrying case and an alligator clip adapter. It is powered by 4 AA (NEDA 15A or NR 6) batteries, which are stored in a compartment on the back of the Meter. The batteries are held in a carrier for quick and easy replacement.
Features
| Cable Length Measurements | |
| Ranges | 12,000 ft (3.7 km) @ V.O.P. 99.9 9,800 ft (3.0 km) @ V.O.P. 80.0 8,000 ft (2.4 km) @ V.O.P. 66.0 6,200 ft (1.9 km) @ V.O.P. 50.0 |
| Accuracy | ± 2 % of reading + 20" (50 < 300 ft (100 m) ± 2 % of reading > 300 ft (100 m) This accuracy is effective for Coaxial Cables up to 8,000 feet, Telephony Cables up to 6,000 feet, and Structured Wiring up to 3,000 ft. |
| Resolution | 20" (50 cm) |
| Velocity of Propagation (V.O.P.) | Adjustable from 1.0 % to 99.9 (in 0.1% step) |
| Cable Length Measurements | |
| Ranges | 12,000 ft (3.7 km) @ V.O.P. 99.9 9,800 ft (3.0 km) @ V.O.P. 80.0 8,000 ft (2.4 km) @ V.O.P. 66.0 6,200 ft (1.9 km) @ V.O.P. 50.0 |
| Accuracy | ± 2 % of reading + 20" (50 < 300 ft (100 m) ± 2 % of reading > 300 ft (100 m) This accuracy is effective for Coaxial Cables up to 8,000 feet, Telephony Cables up to 6,000 feet, and Structured Wiring up to 3,000 ft. |
| Resolution | 20" (50 cm) |
| Velocity of Propagation (V.O.P.) | Adjustable from 1.0 % to 99.9 (in 0.1% step) |
