• 3550 Series Battery HiTESTERs User's Guide September 1999 HIOKI E. CORPORATION Author: R&D OFFICE II Editor: Technical Sales Support Section 81 Koizumi Ueda-shi, Nagano-ken JAPAN [email protected] • Questions & Answers CONTENTS Display Q 1 - 3 Printer Output/Memory Q1 - 8 Comparator Q1 - 7 Input Protection Q1 - 3 Leads Q1 - 15 Resistance Measurement Q1 - 14 Voltage Measurement Temperature Measurement. • At HIOKI, we use these units in combination with the 3225 and the 3236. If a negative voltage is displayed, Although it is not possible with the 3550 series, comparator makes we will consider implementing such a capability incorrect evaluation if the polarity. Thank you for purchasing the HIOKI'3151 EARTH HiTESTER.' To obtain maximum performance from the instrument, please read this manual. Instrument indicates that the user. Thank you for purchasing the HIOKI 3153 AUTOMATIC INSULATION/ WITHSTANDING HiTESTER. To obtain maximum performance from the product, please read this manual first. ![]() • What should I do? Measurement data With the 3550 and 3551, it is only possible to selectively deleted or added? Delete the latest data or all data. The 3551 has a new function which allows over writing data selectively. Ver.1.00:3227 Ver.1.01:3550, 3227 Ver.1.10:3550, 3551, 3227 When version 1.10 is used and the 3550 is connected, 'NG' is displayed as '- - '. When the 3551 is connected, printout is as explained in the manual. When version 1.01 is used and the 3551 is connected, the 3 m Ωrange cannot be printed. • I want to measure a 48 V battery The maximum input voltage is 50 V DC for the assembly. Since voltage 3550 and 3555 and 60 V DC for the 3551. Evaluation is not needed, can Therefore the impedance of a 48 V battery evaluation based. • 3550 series models. The 3551 has passed overload tests up to 400 V DC. When a voltage of about 330 V or more is applied, an intermittent warning tone will be heard. • Describe the pin arrangements, The pin arrangements are indicated on the including shielding, so that we 3550 and the 3555 themselves. In addition, can produce our own leads. The shielding wires in the 9460 and 9461 are connected to SENSE- LO. • The pin tip of the 9465 PIN- The measurement leads cannot be repaired. TYPE LEADS become A new lead must be purchased. 3550 series damaged. Is it possible to BATTERY HiTESTER replace the pin tip only? What are the usage limitations A12. • 1kHz has been accumulated. Therefore, in order to maintain compatibility with this previously accumulated data, we decided to design the 3550 series to take measurements at the 1kHz frequency. While we realize the internal resistance of a. • Is the resistance displayed by A battery's internal resistance is the vector the 3550 series impedance, or sum of a resistance component and a is it pure resistance? Reactance component. Because the 3550. • 3550 Battery HiTESTER Series Why do the 3550 series use the There are basically two general methods for AC four-terminal method? Checking battery deterioration: charging/discharging test method, measuring the internal resistance. Each method strengths weaknesses. The charging/discharging test method is capable of accurately measuring the discharge capacity of the battery. • 3550 Battery HiTESTER Series different. The 3550, 3555, 3551, and 3225 measure the AC 1 kHz resistance value. [Voltage measurement] Is the SOURCE- Hi terminal connected to the generator? When all four terminals are connected, the constant current generated by the 3550 series unit may cause malfunction, preventing correct voltage from being output. • Because maintenance is performed on a UPS with the 3550 and 3551 when the battery is in a normally charged state, this issue is not a concern. Does the internal resistance of a. • The 3550 series also can not be used to test batteries with a total voltage of 50V(3551:60V DC) or more, such as batteries used in industrial machinery. • 3550 Battery HiTESTER Series the current; this FET has an ON resistance of over 30m Ω.
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