GAO Tek Inc.
Toronto M1B2K4  Canada
Sep 01, 2009 Integrating functions of ATDR, ohmmeter, megohmmeter and automatic bridge, portable and multi-functional automatic communication cable-fault tester, 8B locates faults such as core wire breakage, misconnection, water absorption and poor installation. Backlit LCD screen displays 6 resistance values between A, B paired lines and connection line. Cold and pressure resistant unit has intelligent switch-mode power supply and battery charger with over-voltage and over-current protection.

American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Aug 25, 2009 Available for differential and ground fault current monitoring, space flight Series S 767 and military grade Series 913 B provide isolated analog output directly proportional to input magnetically. Featuring ½ in. aperture, Series S 767 operates on 22-36 Vdc power with response time of 50 ms. Series 913 B, designed with ¾ in. aperture, operates from 24-32 Vdc power with response time of 1 ms. Both chassis-mount series feature 0 to +5 V output and accuracy of 1% FS.

GAO Instruments Inc.,
Toronto   Canada
Aug 24, 2009 Utilizing Time Domain Reflection technology along with analysis software, Model A0500007 tests underground cables to discover impedance break points in HFC systems and then locate/reveal cable damages, tie-in dampness, and terminal impedance failure. It can accurately test 25, 50, 75, and 100 W impedance cables at lengths of up to 2 km. Electronic map relevant to time domain picture aids in easy detection of faults and LCD screen displays time domain reflection.

GAO Instruments Inc.,
Toronto   Canada
Aug 20, 2009 Featuring output power of 1.8 mW, 650 Nm visible laser source model A0680001 detects breaks and micro-bends for jacketed fibers, and locates faults at distance of up to 5 km from source. It has FC adapter compatible with SC and ST connectors, works continuously for 25 hr on single charge, and has auto-off timer. Handheld device is suited for testing fiber optic, telecom and CATV networks, and for fiber identification in ribbon or bundled fiber optic pigtails during installation.

Alltec Corporation
Canton, NC 28716
Aug 12, 2009 Performing in any type of soil condition, TerraDyne® Electrolytic Grounding System (EGS) provides long-term protection from lightning strikes, electrical transients, static discharges, electro-magnetic interference, and other electrical hazards threatening sensitive electronic equipment. Offered in vertical and horizontal models, UL- and cUL-listed system is corrosion-resistant and produces effective, stable, year-round ground reference.

GAO Embedded Inc.
Toronto 12345  Canada
Aug 10, 2009 Targeted at electric wire and cable manufacturers, Model 600 is designed for testing line breaks and short-circuit faults of twisted-pair cable, data cable, high frequency cable and coaxial cable. Product tests cables of 25, 50, 75 and 100 W accurately with test range from 2 m to 8 km. Features include pulse widths between 270 ns and 5.6 µm, wave range from 50-300 m/µs, and backlit LCD screen for observation.

GAO Tek Inc.
Toronto M1B2K4  Canada
Aug 07, 2009 With measurement range of up to 5 km, Model 3C-04 is used for fiber optic identification and fault location on single mode or multimode fiber, and wavelength loss testing. Locator detects breaks and micro-bends even for jacketed fibers, and laser's high power 650 nm can transmit continuous light or adjustable strobe light. Suitable applications include maintenance of fiber optic networks, LAN, FDDI, ATM optical systems, telecommunications, and CATV networks.

GAO Tek Inc.
Toronto M1B2K4  Canada
Aug 06, 2009 Combining OTDR and Intelligent Bridge Testing functions in one unit, telephone cable fault locator, model 98 allows examination of all kinds of patch cords, ribbon or bunched pigtails and installation and maintenance of fiber optic, telecommunication and CATV networks. Product features LCD screen, backlight display, low voltage warning, automatic power off and energy-saving design. It has dead zone distance of less than 1 m, and detects breaks and micro-bends even for jacketed fibers.

American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Jul 16, 2009 Designed to compare AC input to fixed or adjustable current threshold, Series 870 and ACS-3 provide isolated switch or relay output that is activated as required. Housed in metal case and operating from -20 to +71°C, Series 870 features SPDT relay output with 10 A contacts, frequency from 47-63 Hz, and ¾ in. dia aperture. Series ACS-3, operating from -50 to +65°C, is housed in plastic case with solid state switch output, frequency from 6-100 Hz, and response time of 200 msec.

GAO Tek Inc.
Toronto M1B2K4  Canada
Jul 14, 2009 Utilizing TDR technology along with analysis software, Model 6130 analyzes status of cable. It is used to test underground cables to discover impedance break points in HFC systems and locate cable damages, tie-in dampness, and terminal impedance failure. Unit is capable of testing 25, 50, 75, and 100W impedance cables at lengths of up to 2 Km and provides electronics map relevant to time domain picture so that fault can be detected easily.

GAO Embedded Inc.
Toronto 12345  Canada
May 19, 2009 Designed for measurement of single- or multi-mode fiber, GAOLP-221 visual fault locator supports end-to-end fiber identification and mechanical fusion splice optimization. It is suited for testing all types of patch cords and ribbon or bunched pigtails used in installation and maintenance of fiber optic networks, telecoms, and CATV systems. Featuring universal connector, compact, lightweight unit can identify fiber breaks and micro-bending even through jacketed fiber.

GAO Instruments Inc.,
Toronto   Canada
Apr 20, 2009 Portable time domain reflectometer cable fault locator, GAODS6110 locates RF cable faults such as short circuits, open circuits, or high resistance joints or splices. It determines cable faults by transmitting electrical energy pulse propagating at specified speed depending on cable type, and automatically displays fault type as well as distance to faults. Device can also be used to calibrate cable type.

GAO Embedded Inc.
Toronto 12345  Canada
Apr 07, 2009 Featuring universal connector, ruggeddly designed GAO08211 is intended for examining patch cords, ribbon, or bunched pigtails and for installing and maintaining fiber optic networks. Device supports end-to-end fiber identification and mechanical fusion splice optimization. Compact locator provides measurement ranges of up to 5 km and detects breaks and micro-bends even through jacketed fibers.

GAO Tek Inc.
Toronto M1B2K4  Canada
Mar 02, 2009 With ability to verify capability of cable to transmit xDSL signals, GAO 5221 xDSL tests Vac/Vdc of copper twisted pair cable, resistance, ac/dc current, capacitance, frequency response, noise, DMT, and load coils. Measuring 260 x 190 x 70 mm, and weighing approx. 1.9 kg, unit has impedances of 75, 100, 120, 135, and 150 W and automatic. Other features include manual or auto TDR test, 640 x 480 pixels LCD graphic display for test results, and ac/dc or internal battery power supply.

Dwyer Instruments, Inc.
Michigan City, IN 46361 0373
Nov 17, 2008 Model GFD detects and indicates phase of first ground fault condition on ungrounded or isolated system, enabling corrective action to avoid potential hazards resulting from second ground fault. Flashing red LED gives positive fault indication of phase-to-ground fault or lost connection to corresponding phase. Supplied in 94V-0, flame-retardant, black ABS plastic, panel-mount enclosure, unit has detection threshold of 11.7 kW ±20% @ 50 Hz and 9.3 kW ±20% @ 60 Hz.

Accumetrics Associates Inc.
Schenectady, NY 12305
Oct 01, 2008 Designed to continuously chart ground fault severity, EFREM Earth Fault Resistance Monitor provides predictive maintenance condition monitoring. Digital wireless telemetry unit indicates fault location for diagnosis and repair, and provides alarm relay outputs that can be used to activate warnings or shut down machines. Using 2-piece wrap-around metal collar with embedded telemetry electronics, mounting system can be clamped mid-shaft to gather data in real-time from working motor or generator.

Video Products, Inc.
Aurora, OH 44202
Jul 31, 2008 With visible 635 nm red laser, FIBER-CHECKER can be used on fiber optic cable up to 3 km long to locate broken splice or fiber, identify overly tight cable ties, or isolate damaged connector. Break or bend in fiber is indicated by red light escaping from cable at fault point, and laser output from cable ends is clearly visible when facing flat surface approximately 6 in. away. Unit can be used to test all fiber connectors with 2.5 mm ferrule.

GAO Tek Inc.
Toronto M1B2K4  Canada
May 13, 2008 Suitable for SM/MM types of fiber, Model GAO811 handheld visible red laser source can distinguish faults of fiber jumper, jumper board, distribution, frame, and tie-in. It also helps overcome limitation of near blind area of OTDR. Laser cannot only be reflected out from macro bend point, overlay layer, or naked fiber position, but can also be jetted from tie-in which is not linked well. Unit offers greater than 1 mW output power, low voltage warning, and automatic power off.

Zero Ground
Woodridge, IL 60517-1438
May 06, 2008 Engineered for use where AC induction motors operate in conjunction with VFD applications, ZERO-GROUND® High Frequency Extraction System is approved by US Department of Labor, Mining, and Safety Health Administration (MSHA) for use in underground and surface mines. Completely passive system utilizes no filters or brushes and eliminates electrical noise while directing high-frequency ground currents away from hazardous locations and sensitive equipment.

CURRENT Group
Germantown, MD 20874
Jan 29, 2008 Designed to help utilities reduce outage time stemming from cable failure, Smart Grid(TM) solution delivers communications, embedded advanced sensing, and distributed intelligence needed to detect location of underground cable faults. System is comprised of voltage and current sensors, measurement-based event triggering, communications network, and analysis software. Alerts can be sent automatically to person in utility, or crews can be automatically dispatched.