Details & specifications
The T-900 is an easy to use, compact hand-held instrument for accurately locating open-circuit and low-impedance faults on metallic cables, using time-domain reflectometry (TDR). Comparison of TDR traces from the three phases of a faulty cable, can be used to identify differences between them, providing another useful aid to fault location.
The unit can also calculate the velocity of propagation (VOP) of a known length of cable or measure the length of cable on a drum, where the VOP is known.
Features
Available in three versions with 8, 16 or 32km range
Digital gain control
Data transfer via USB flash memory for analysis on PC
Automatic waveform identification eliminates dead zone
Automatic impedance matching
Large colour display with simple user interface
10 hours operation on one battery charge
Resolution to 1m
Specification
Technical Parameters
Range 8km (16 and 32km are also available as options)
Accuracy ±0.5% of range
Resolution Minimum resolution 1m
Pulse ±30v, 40ns-10us with automatic adjustment
Sampling rate 100MHz
Balance 25 – 300Ω automatically adjusted
Velocity of propagation 40-300m/µs
Dead zone There is no dead zone
Power consumption 1W
Batteries Lithium, 2 pcs of 18650 batteries in series
Charger Input: AC110-240V, output: 8.4V
Battery life 10 hours
Dimensions 204 x 100 x 36 mm
Weight 0.38kg
Operating temperature -15oC to +50oC
Ingress Protection IP53
Delivery includes:
TDR Cable Fault Locator
Test Leads
Battery charger
Carry bag
User manual
CD with management software
USB flash memory
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