Doble Engineering
Founded in 1920, Doble Engineering Company ensures reliable, safe and secure power for all. We do this by providing comprehensive diagnostics and engineering expertise for the energy industry. Doble is part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE) and serves customers around the globe. Doble is an ISO 9001 & ISO/IEC 17025 & 17034 certified company.
- (617) 926-4900
- 123 Felton Street
Marlborough, MA 01752
United States of America
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Product
Tan Delta Test Set
TD 5000
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The high-voltage generator TD 5000 is a complementary module of STS serie. TD 5000 designed to perform Tan Delta measurements, dissipation factor and capacitance of transformer and bushing at the frequency of the mains or in a wide frequency range.
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Product
Electronic Primary Injection Test Set
eKAM
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eKAM is the new fully automatic electronic primary injection test equipment. e KAM test system includes two portable units: one control unit with a large graphical display, that adjusts the output, and one current unit (up to 2000, 3000, 5000A). It can also perform Step and Touch tests and ground resistance tests.
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Product
Calibrator Module
CAP CAL
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The purpose of CAP-CAL is to check the correctness of Tan Delta and Capacitance of TD 5000 and TDX 5000. The calibrator includes an extremely high accuracy high voltage capacitor, which comes with a certificate issued by ISA - Altanova Group lab.
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Product
For Dielectric Oil Test
Stoil Cell
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The option allows the testing of the insulation characteristics of the oil by checking if there is no contamination.
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Product
Power Supply Unit
GECC 3000 / 1500
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The DC voltage power supply models GECC3000 and GECC 1500 are designed for supplying the DC voltage and current for testing any type of system which requires an high-power, ripple free DC power supply
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Product
Multifunction Substation Test Set
STS 4000
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STS 4000 is a multifunction substation maintenance & commissioning test system for current, voltage and power transformers, designed to perform primary tests requested in substations commissioning. It allows to perform accurate tests on CTs, VTs, PTs and ground grid.






