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Specializing in the production of marine instrumentation models are: F96, Q96, 51L5, 51L6, F72, Q72, 61L13, 61L14, 45L8, 45L9, 2101, 2102, 2103, 2104, 2105, 2106, 2107, 2108, 2109, 63L1, 63L2, 63L10, 63L18, 63L192182, 2185, 2186, 2187, 2188, 2189, 45D1, 45C1, 13D1, 13C1, 45C3, 45L1, 63C11, 63C7, 63L7, 62C12, 69C7, 69L7, 84C2, 84L2And other series of installation - meter JDB-2AC power insulation resistance monitoring alarm; ZDB-24Type DC insulation resistance monitoring alarm, electronic synchronization indicatorSM Table) and DMF-1Synchronous pulse transmitting device; NGJ-1Reverse power relay; DB-A Multi - functional protection device; MPMI Multi - function power monitor; TH-5SB Molded Case Circuit Breaker; JP0, JP1, JR1Wiring terminal board; JDG4-0.5TH Type marine voltage transformer.