Agilent N2779A Power Supply User’s Guide Agilent Technologies
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N2779A Power Supply N2779A Power Supply Operation 4 Safety Precautions 7 Safety Information 9 Informations relatives à la sécurité 13 Characteristics and Regulatory Information 17 Service 19 This N2779A power supply is a special- purpose power supply for the N2774A and N2780A/B, N2781A/B, N2782A/B, N2783A/B current probes. You can simultaneously connect up to three probes to the N2779A’s front- panel probe- power connectors.
N2779A Power Supply Operation Operation Use the N2779A only with the N2774A, N2780A/B, N2781A/B, N2782A/B, and N2783A/B current probes, which are powered using the N2779A’s front- panel probe- power connectors. Figure 1 shows the N2779A’s front and rear panels. Notice that the POWER switch is located on the rear panel. WARNING Use only with Agilent N2774A, N2780A/B, N2781A/B, N2782A/B, or N2783A/B current probes. Connecting the power supply to incompatible equipment may result in fire or electric shock.
N2779A Power Supply Operation CAUTION Before turning on the power, make sure that the voltage of the power supply being used matches the supply voltage indicated on the rear panel of the unit. Connecting to a different supply voltage may result in equipment damage or incorrect measurements. CAUTION Allow at least 5 cm clearance on both sides and above the power supply for proper cooling. Ventilation holes for heat radiation are provided on the top and side panels of the product.
N2779A Power Supply Operation To Connect the N2779A 1 Position the N2779A so that the power switch and power cord may be easily reached. 2 Turn the power switch off and connect the power cord. WARNING Use only the supplied power cord. 3 Connect the power plug of your probe to one of the N2779A’s front- panel probe- power connectors. Up to three probes may be connected to the N2779A. 4 Turn the N2779A’s rear- panel power switch on, and check that the front- panel power indicator is lit.
N2779A Power Supply Safety Precautions Safety Precautions This apparatus has been designed and tested in accordance with IEC Publication 1010, Safety Requirements for Measuring Apparatus, and has been supplied in a safe condition. This is a Safety Class I instrument (provided with terminal for protective earthing). Before applying power, verify that the correct safety precautions are taken as described in the following warnings.
N2779A Power Supply Safety Precautions WARNING Do not install substitute parts or perform any unauthorized modification to the instrument. WARNING Capacitors inside the instrument may retain a charge even if the instrument is disconnected from its source of supply. WARNING Do not operate the instrument in the presence of flammable gases or fumes. Operation of any electrical instrument in such an environment constitutes a definite safety hazard.
N2779A Power Supply Safety Information Safety Information The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with these precautions or with specific warnings or operating instructions in the product manuals violates safety standards of design, manufacture, and intended use of the instrument. Agilent Technologies assumes no liability for the customer's failure to comply with these requirements.
N2779A Power Supply Safety Information Fuses See the user's guide or operator's manual for information about line- fuse replacement. Some instruments contain an internal fuse, which is not user accessible. Do Not Operate in an Explosive Atmosphere Do not operate the instrument in the presence of flammable gases or fumes. Do Not Remove the Instrument Cover Only qualified, service- trained personnel who are aware of the hazards involved should remove instrument covers.
N2779A Power Supply Safety Information WARNING A WARNING notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly performed or adhered to, could result in personal injury or death. Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met.
N2779A Power Supply Safety Information Table 2 Description of Safety related symbols that may appear on a product (Sheet 2 of 2) Symbol Description Out position of a bi-stable push switch Equipment protected throughout by DOUBLE INSULATION or REINFORCED INSULATION Caution, refer to accompanying documentation Caution, risk of electric shock Do not apply around or remove from HAZARDOUS LIVE conductors Application around and removal from HAZARDOUS LIVE conductors is permitted.
N2779A Power Supply Safety Information Informations relatives à la sécurité Les consignes de sécurité générales présentées dans cette section doivent être appliquées au cours des différentes phases d’utilisation de cet appareil. Le non-respect de ces précautions ou des avertissements et consignes d’utilisation spécifiques mentionnés dans les manuels des produits constitue une violation des normes de sécurité relatives à la conception, à la fabrication et à l’usage normal de l’instrument.
N2779A Power Supply Safety Information N'utilisez pas l'instrument en présence de gaz ou de vapeurs inflammables. Ne pas démonter le capot de l'instrument Seules des personnes qualifiées, formées à la maintenance et conscientes des risques d'électrocution encourus sont autorisées à démonter les capots de l'instrument. Débranchez toujours le cordon d'alimentation secteur et tous les circuits externes avant de démonter le capot de l'instrument.
N2779A Power Supply Safety Information Symboles de sécurité: Table 3 Description des Symboles de Sécurité qui pourraient apparaître sur le produit. (Sheet 1 of 2) Symboles Description Courant continu. Courant alternatif. Courant continu et alternatif. Courant alternative triphasé. Borne de terre (masse). Borne de terre de protection. Borne de terre reliée au cadre ou au châssis. Borne au potentiel de la terre.
N2779A Power Supply Safety Information Table 3 Description des Symboles de Sécurité qui pourraient apparaître sur le produit.
N2779A Power Supply Characteristics and Regulatory Information Characteristics and Regulatory Information The following tables provide the operating characteristics for the N2779A. There are no specifications. Table 4 N2779A Characteristics Item Characteristic OUTPUTS Output voltage DC ±12V ±0.5V Number of probe-power connectors 3 Rated output current ±1.
N2779A Power Supply Characteristics and Regulatory Information Table 5 Environmental Characteristics Item Characteristic Operating temperature and humidity range 0 oC to 40 oC (32 oF to 104 oF ), 80% rh or less (no condensation) Use For indoor use only.
N2779A Power Supply Service Service To return the probe to optimum performance requires factory repair. If the probe is under warranty, normal warranty services apply. In the U.S., call (800) 829- 4444 for further details and the location of your nearest Agilent Technologies service center. Outside the U.S., call your nearest Agilent sales office and ask them how to contact the nearest Agilent service center. 1 Write the following information on a tag and attach it to the power supply.
Manual Part Number N2779-97003 *N2779-97003* Agilent Technologies Printed in Malaysia, November 2013
