RIF‑9

Digital impulse reflectometer

Time-Domain Reflectometer RIF-9 is designed for determining the distance to a fault in communication and power cables.

Digital impulse reflectometer RIF-9 allows:

Determining the distance to a fault or discontinuity in symmetric and asymmetric cables using a location (time domain reflection) method;
Measuring the length of a cable (including those wound on a drum) or distance to a fault or a short circuit;
Storing and processing the results of measurements;
As part of a cable test van, determining the distance to a fault or discontinuity in cables with length of up to 100 km for all possible fault types without the need of preliminary full cable sheath burning.

Technical Specifications

Parameter	RIF-9	RIF-7
Distance measuring ranges (at V/2=100 m/us),km	0.1; 0.2; 0.5; 1; 2; 4; 8; 16; 32; 64; 100	0.25; 0.5; 1; 2; 4; 8; 16
Min. distance to be measured, m	3
Resolution, m:
− at V/2 = 100 m/us	0.5	1
− at V/2 = 80 m/us	0.4	0.8
Uncertainty, % of range	0.2	0.4
Input impedance, Ohm	10 − 500	30 − 350
Pulse amplitude, V	45	22
Pulse width, ns	10 − 20000	10 − 19200
Dynamic range, dB	from -33 tо 104	from -15 tо 98
Reflectograms for averaging count	1 − 255
Propagation velocity range (V/2), m/us	50 − 150
Propagation velocity (V/2) resolution, m/us	0.1
Max. input voltage, V	50	20
Measuring methods:
− TDR	yes	yes
− ICE	yes	yes
− Decay	yes	yes
− ARC	yes	no
Nonvolatile memory:
− reflectograms with data	1200	120
− propagation velocity data for cables	1000	200
PC connectivity	USB, USB Flash, RS-485	RS-232 (COM port)
Firmware update via USB Flash	yes	no
Display	color TFT resistive touch-screen 800 × 600	b/w 320×240
Max. active time (when fully charged), hours	8
Power specifications:
− power source (internal)	12 AGM	10АА×1.2V NiMh
− power consumption, A	1	0,5
− power source (external)	12 − 24	12 − 18
− battery capacity, mA·h	9000	2500
− charge current, mА	1000	500
− leakage current when power OFF	1	0.02
Dimensions, mm	366×271×178	295×160×85
Net weight, kg	8	2.3