FLUKE 7250A PDF

Option package consists of a board in the A, a ribbon cable and a board for the Fluke A IEEE Translator. The 1 A must be used to interface A. Fluke A Benchtop Timer/Counter. A broadband continuously variable, x, analog attenuator lets you add just enough attenuation to minimize the input. Here you will find a large selection of new and used Fluke A listed at special prices. Although some items match several categories, all of them are listed.

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Search the history of over billion web pages on the Internet. This warranty extends only to the original purchaser. This warranty shall not apply to fuses, disposable batteries rechargeable type batteries are warranted for daysor any product or parts which have been subject to misuse, neglect, accident or abnormal conditions of operations. In theeventof failure of a product covered by this warranty, John Fluke Mfg, Co.

Fluke 7250A Timer Counters

The warrantor may, at its option, replace the product in lieu of repair. With regard to any instrument returned ffluke one year of the original purchase, said repairs or replacement will be made without charge. If the failure has been caused by misuse, neglect, accident or abnormal fpuke of operations, repairs will be billed at a nominal cost. If any failure occurs, the following steps should be taken: On receipt of this information, service data or shipping instructions will be.

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On receipt oftheshlpping instructions, forward the instrument, transportation prepaid.

The instrument should be shipped in the original packing carton; or if it is not available, use any suitable container that is rigid and of adequate size. If a substitute container is used, the instrument should be wrapped in paper and surrounded with at least fuke inches of excelsior or similar shock-absorbing material.

All material in the container should be checked against the enclosed packing list.

The manufacturer will not be responsible lfuke shortages against the packing sheet unless notified immediately. If the instrument is damaged in anyway, a claim should be filed with thecarrier immediately.

Final claim and negotiations with thecarrier must be completed by the customer.

Fluke A – Timer Counters

Please address flike requests or correspondence to: Input Power Instrument Case Mating Tilt-Down Bail Rack Installation AC Line Connection cluke Maximum Inputs Function Control Resolution Control Attenuation Control Slope Control Filter Control Offset Control Dealing with One Count Error Reducing Time Base Error Trigger Error Considerations Reducing Errors due to Noise on the Input Signal Initial Procedure Totalize TOT A Self-Check CHK Power Supply Time Base Input Circuitry Function Logic lfuke Resolution Logic Control Logic Main Gate Clocking Logic Main Gate Enable Logic Count Circuits Time Interval Logic Reset Logic 3- Fuse Replacement Equipment Preparation Time Base Accuracy Test ; Sensitivity Test, Channel A Sensitivity Test, Channel B Display Test Frequency A Test Counts Per Minute Test Ratio Test Period Test Period Average Test Time Flue Test Totalize Test Self-Check Test ; Coarse Fluoe Base Adjustment Channel A Trigger Level Adjustment Channel B Trigger Level Adjustment Maximum Inputs 2- 4.

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Autoranging 3- 1. Function Coding Control Logic Pin Designations 3-iO 4- 1. Required Test Equipment Maximum Allowable Deviation Channel B Sensitivity Test Typical Logic Levels Event Timing Hysteresis Window One Count Error Trigger Error in Event Timing Trigger Level Control Decimal Point Identification 2- II.

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Frequency Effect on Accuracy 3- 1. Frequency Measurement Period Measurement Period Average Measurement Counts Per Minute Measurement Time Interval Block Diagram Self-Check Functional Block Diagram Input Circuits Simplified Schematic Main Gate Clock, Simplified Schematic 1 Counter, Latch, Multiplexer U 15 3- Remote Logic 4- 1.

Latch Removal Line Voltage Selection Flukw A Sensitivity Test Connections Channel B Sensitivity Test Connections Self Check mode is- provided to demonstrate operability of most A circuits.

This manual documents the A Universal Counter-Timer under two categories. The standard instrument without options and accessories is covered in Sections 1 through 5, 7 gluke 8. All optional or accessory items are documented in Section 6; refer to Table and for a listing of available options and accessories. Schematic diagrams for the standard instrument and the options are centralized in Section 8, The Model A is a seven-digit universal counter-timer capable of measurements in frequency, period, period average, lime interval, totalize, ratio, and self check mode.