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INSTRUCTION
FOLDER
MANUAL DE
INSTRUCCIÓNES
Applications
An isolation transformer is essential for servicing any "hot chassis" (transformerless) AC powered
equipment. Without an isolation transformer, a dangerous electrical shock hazard exists between
the chassis of such equipment and earth ground. There is also a high probability of damage to any
AC powered test equipment used to service such equipment. The B&K Precision Model TR-110
ISOPACK Direct/Isolation Transformer provides the necessary safety factor, allowing the chassis to
be grounded. The ISOPACK also operates as a variable voltage source, providing AC output in
nine steps from 90 to 140 volts.
transformer-powered equipment. Variable voltage testing is valuable for uncovering a voltage
sensitive condition is "problem" radio receivers, television sets, audio equipment, etc. Dual outlets
for the isolated output, and dual outlets for the direct (non-isolated) output provide a convenient
center for connecting both the equipment to be serviced and the associated test equipment. An on-
off switch with pilot lamp is provided for the isolated output, which has a power rating of 350 VA
continuous.
ISOPACK
Direct/ Isolation Transformer
This feature is useful for testing both "hot chassis" and
MODEL TR-110
MODELO TR-110
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Resumen de contenidos para BK Precision ISOPACK TR-110
- Página 1 INSTRUCTION FOLDER MODEL TR-110 MANUAL DE MODELO TR-110 INSTRUCCIÓNES ISOPACK Direct/ Isolation Transformer Applications An isolation transformer is essential for servicing any “hot chassis” (transformerless) AC powered equipment. Without an isolation transformer, a dangerous electrical shock hazard exists between the chassis of such equipment and earth ground. There is also a high probability of damage to any AC powered test equipment used to service such equipment.
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Página 2: As An Isolation Transformer (See Fig. 1)
HOW TO USE THE “ISOPACK” AS AN ISOLATION TRANSFORMER (see Fig. 1) With POWER switch OFF, connect the power cord of the ISOPACK to a 120 volt, 60Hz outlet. The POWER switch gives on off control to the ISOLATED outlets only; the DIRECT outlets are always “hot”... - Página 3 The total load on the ISOLATED outlets should not exceed 350VA continuous. A load up to 500VA may be powered for 5 minutes maximum if followed by an off period of 5 minutes or longer for cooling. Avoid using the ISOPACK in a confined area, since this could allow heat build up to accumulate.
- Página 4 MAINTENANCE A 3A fuse protects the unit from excessive overload on the ISOLATED outlets. If the pilot lamp will not light and there is no output from the ISOLATED outlets, check the fuse. It is located on the side of the unit adjacent to the power cord. Replace only with a 3A, slow-blow type 3AG fuse.
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Página 5: Parts List
PARTS LIST SCHEMATIC DESCRIPTION B&K PRECISION SYMBOL PART NO. POWER SWITCH, SPDT 084-070-9-001 S2, S3 VOLTAGE SELECT SWITCH, DPTT 084-071-9-001 TRANSFORMER, ISOLATION 065-146-9-001 PL 1 PILOT LAMP, NEON WITH 100K 401-001-9-002 Fig. 3. ISOPACK schematic diagram. - Página 6 Limited One-Year Warranty B&K Precision Corp. warrants to the original purchaser that its products and the component parts thereof, will be free from defects in workmanship and materials for a period of one year from date of purchase. B&K Precision Corp. will, without charge, repair or replace, at its option, defective product or component parts. Returned product must be accompanied by proof of the purchase date in the form of a sales receipt.
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Página 7: Aplicaciones
Existe también una probabilidad alta de daño a cualquier instrumento AC utilizado para probar el equipo. El transformador BK Precision modelo TR-110 ISOPACK sirve justamente para proveer el factor de seguridad, permitiendo el aterrizaje del chasis. El ISOPACK opera también como una fuente de voltaje variable de AC de 90 a 140 volts en... - Página 8 COMO USAR EL ISOPACK COMO UN TRANSFORMADOR DE AISLAMIENTO (Vea la Fig.1) Con el switch de encendido (POWER) apagado, conecte el cable de poder del ISOPACK a un enchufe de 120VAC, 60Hz. El switch sólo controla la salida aislada; los enchufes directos (DIRECT) presentan voltaje siempre que se enchufa el ISOPACK.
- Página 9 Equipos auxiliares (instrumentos de prueba), pueden ahora conectarse a los enchufes DIRECT, que presentan el voltaje de línea independiente de los switches VOLTAGE SELECT. El chasis del equipo sin transformador puede aterrizarse también al común del instrumento de prueba en vez del ISOPACK. La carga total continua de los enchufes ISOLATED no debe de exceder de 350VA.
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Página 10: Mantenimiento
MANTENIMIENTO Un fusible de 3ª protege la unidad de sobrecarga en los enchufes ISOLATED. Si la lámpara piloto no enciende y no hay voltaje en dichos enchufes, verifique el fusible. Se localiza a un lado de la unidad adyacente al cable de poder. Reemplácelo por un fusible de lenta fusión de 3ª tipo 3AG. -
Página 11: Lista De Partes
LISTA DE PARTES SIMBOLO NO. DE PARTE DE ESQUEMATICO DESCRIPCION B&K PRECISION Switch de encendido, SPDT 084-070-9-001 S2, S3 Switch selector de voltaje,DPTT 084-071-9-001 Transformador de aislamiento 065-146-9-001 Lámpara piloto, Neón con 100K 401-001-9-002 INFORMACION SOBRE PEDIDO DE PARTES Fig. 3. Diagrama esquemático del ISOPACK... - Página 12 Garantía Limitada de Un Ano B&K Precision Corp. Autorizaciones al comprador original que su productos y componentes serán libre de defectos por el periodo de un ano desde el día en que se compro. B&K Precision Corp. sin carga, repararemos o sustituir, a nuestra opción, producto defectivo o componentes. Producto devuelto tiene que ser acompañado con prueba de la fecha del la compra en la forma de un recibo de las ventas.
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Página 13: Declaration Of Ce Conformity
Declaration of CE Conformity according to EEC directives and NF EN 45014 norm Responsible Party Alternate Manufacturing Site B&K Precision Corporation B&K India 0650 Manufacturer’s Name: 22820 Savi Ranch Pkwy. Manufacture’s Address: Yorba Linda, CA 92887-4610 Declares that the below mentioned product Isolation Transformer Product Name: TR 110... - Página 14 22820 Savi Ranch Parkway • Yorba Linda, CA 92887 © 2005 B+K Precision 481-108-9-001 Printed in U.S.A.