WAVETEL – Time Domain Reflectometer – TDR twisted pairs and coaxial cables

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TDR-44

Handheld reflectometer
Location of cabling faults

Easy operate membrane switch

Lightweight and rugged tester

Auto power off and Low-Batteries indicator

High resolution display

Maximum range up to 3 km

Download the datasheet

TDR-44 is a handheld battery powered Time Domain Reflectometer which accurately locates faults on twisted metallic paired cable in graphics

Innovative features result in a versatile test instrument that is easy to use

Faults such as open , short circuit, splice, taps, break, wet section and other more elusive impedance mismatches are measured in meters or feet by principle of transmit and reflect a pulse signal

Clear LCD display with backlight facilities and ability to operate down to –20’C

Variable Propagation Velocity Factor
(PVF) 0.01-0.99

Accuracy 0.9%

Automatic adaptation of pulse width

Lightweight 550g and rugged in Fiberglass case

Technical Specification

Measure Range:
100, 300, 1000, 3000m
and Auto range

Accuracy: 0.9% of Range

Resolution: 1% of range

Gain: Auto Set across screen

Output Pulse: 5V nominal in open circuit

Velocity Factor: Variable from 0.01 to 0.99

Output impedance: 120 Ohm

Pulse Width: Automatically varied

Connectors: Two 4mm safety terminals

LCD Display: 128x64 graphic LCD with backlight

Update Rate: Once per second

No touch shutdown: 5 minutes

Display view area: 44x62 mm

Power supply: Batteries 6 AA alkaline or nickel- cadmium cells

Battery Low indicator: 6.5V nominal

Safety: Withstands 250V AC/DC, and Telephone ringing signal

Environment

Operating temp: -20 to +60’C

Storage temp: -30 to +70’C
Humidity: 93%

Physical

Case Dimensions: 210 X 100 X 50 mm

Case Material: Fiberglass Nylon 6/6

Weight: 550g(with batteries)

Leads: 2 meters safety plug - clip