Vanguard

Vanguard Instruments is a subsidiary of Doble Engineering Company. Vanguard was founded in 1991 and became an expert in diagnostic solutions. They were acquired by Doble for their innovative, rugged equipment. ATEC has Vanguard product rentals for current transformer test sets, vacuum bottle testers, digital micro-ohmmeters, and more.

Vanguard DMOM-200 S3 True DC Digital Micro-Ohmmeter The Vanguard DMOM-200 S3 True DC Digital Micro-Ohmmeter is a circuit-breaker tester that analyzes contact resistances of the EHV circuit-breaker. This ohmmeter measures resistances ranging from 1µΩ to 5 Ω. The...
SKU: VANG-DMOM-200-S3

Vanguard EZCT-2000C Current Transformer Test Set The Vanguard EZCT-2000C is a current transformer test set that facilitates various tests including CT excitation, current-ratio, polarity, and phase angle. It measures insulation resistance and winding resistance of the CT...
SKU: VANG-EZCT-2000C

Vanguard Auto-Ohm 200 S3 The Vanguard Auto-Ohm-200 S3 is a lightweight, microprocessor-controlled DC micro-ohmmeter designed for testing EHV circuit-breaker contacts, bushing joints, and welding joints. The Vangaurd measures resistance from 1 microohm...
SKU: VANG-AUTO-OHM-200-S3

Vanguard EZCT Current Transformer Tester The Vanguard EZCT is a microprocessor-based, current-transformer test set. This rugged and portable test set can perform the current transformer (CT) excitation, CT current-ratio, and winding polarity tests. Current...
SKU: VANG-EZCT

Vanguard ATRT-01B S2 TTR Transformer Turns Ratio Tester The Vanguard ATRT-01B S2 Transformer Turns Ratio Tester efficiently measures the turns ratio, phase displacement, and excitation current of transformers. This device is portable and equipped with automated test sequences that...
SKU: VANG-ATRT-01BS2

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Vanguard ATRT-03 S2 TTR Three Phase Transformer Turns Ratio Tester The Vanguard ATRT-03 S2 Three Phase TTR is a thorough testing device that provides precise analysis on a transformer turns ratio, which makes this three-phase transformer incredibly useful. This microprocessor-based...
SKU: VANG-ATRT-03S2

Vanguard CT-7000 S3 Digital Circuit Breaker Analyzer The Vanguard CT-7000 S3 Digital Circuit Breaker Analyzer diagnoses circuit breaker performance within timing windows of 1, 10, or 20 seconds through 3 or 6 dry contact timing channels. Vanguard CT-7000 S3 test systems measure...
SKU: VANG-CT-7000

Vanguard CT-7500 S2 Circuit Breaker Analyzer The Vanguard CT-7500 S2 Circuit Breaker Analyzer is an easy to use, stand alone or computer-controlled, microprocessor driven EHV circuit breaker analyzer. It can operate either in Time Travel analyzer mode or in “on-line...
SKU: VANG-CT-7500-S2-6

Vanguard TRM-403 Transformer Winding Resistance Meter The Vanguard TRM-403 is a three-phase transformer winding resistance meter that enables users to connect all test cables to the transformer bushings simultaneously. This allows for measuring the resistance values of each phase...
SKU: VANG-TRM-403

Vanguard UPS-S2 Portable AC/DC Power Supply The Vanguard Universal Power Supply S2 (UPS S2) is designed to meet a utility company’s substation needs for an independent AC/DC power source. The UPS S2’s AC and DC voltage sources can each supply up to 10 amperes...
SKU: VANG-UPS-S2

Vanguard WRM-10 Winding Resistance Ohmmeter The Vanguard WRM-10 is a transformer winding resistance meter that measures resistance from 1 micro-ohm to 2,000 ohms with automatic current adjustment from 10 mA to 10 Amps. It features a digital display for precise readings...
SKU: VANG-WRM-10

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Vanguard WRM-40 Winding Resistance Ohmmeter The Vanguard WRM-40 Winding Resistance Ohmmeter is designed to accurately measure the winding resistance of highly inductive power transformers. The unit’s dual resistance-reading input channels can measure two winding...
SKU: VANG-WRM-40

Vanguard ATRT-01S3 Single phase TTR The Vanguard ATRT-01S3 Single phase TTR is an automatic transformer turns-ratio tester. This fourth-generation portable device uses the IEEE C57.12.90 measuring method and line power. The Single phase TTR allows...
SKU: VANG-ATRT-01S3

Vanguard Tri-Phase True Three Phase Automatic TTR The Vanguard Tri-Phase True Three Phase Automatic TTR efficiently generates voltage to test and measure turns-ratios. This transformer turns-ratio tester can find any transformer type. Using the thermal printer output...
SKU: VANG-TRI-PHASE

Vanguard TRM-40 Amp Winding Resistance Meter The Vanguard TRM-40 Amp Winding Resistance Meter measures DC resistance values for transformer windings and inductive devices. This third-generation transformer measures two windings: primary and secondary. Internal test record...
SKU: VANG-TRM-40

Vanguard CT-8000 S3 Micro Ohmmeter The Vanguard CT-8000-S3 Micro Ohmmeter tests circuit-breaker contact resistance and detects low-resistance measurements. The device includes voltage monitoring channels, contact timing input channels, and breaker initiate...
SKU: VANG-CT-8000-S3

Vanguard VBT-75P-S2 Vacuum Bottle Tester The Vanguard VBT-75P-S2 is a vacuum bottle tester that uses automatic testing with a voltage range of 10 kV ¬ 75 kV DC and an output in 1 kV steps. This portable, microprocessor-based device allows technicians to run...
SKU: VANG-VBT-75P-S2

Vanguard EZCT 2000A Current Transformer Test Set The Vanguard EZCT 2000A Current Transformer Test Set is a transformer testing device that completes a variety of tests with a user-friendly interface. The microprocessor-based current unit performs tests that include excitation...
SKU: VANG-EZCT-2000A

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