Оборудование информацию:

Fluke 1912A Частотомер
Производитель:
Fluke
Модель: 1912A
Дата: 1977
Категория: Измерительная техника
Группа: Частотомер
Описание: Multi-Counter
Информация:
                                    These rugged counters are at home on the production line, in the lab, or in the field and do the work of counters costing much more. They measure frequencies to 125 MHz, 250 MHz or 520 MHz (depending on model), period of signals to 2 MHz, period average to 10 ps resolution and totalize to 9,999,999 counts. Autorange Full autoranging is supplemented by selectable four-range manual operation. In autorange, the display is automatically filled to a maximum 7-digit readout. A unique hysteresis capability eliminates undesirable up-and-down ranging for between-range signals. Autoreset This automatic feature is activated every time you select a new range orfunction, which means you never have to wait for a second reading, the first one in the new measurement sequence is always correct. Autoreset saves time and reduces errors. Automatic Clean Dropout The 1911A and 1912A Channel B input has a circuit which automatically monitors the input and gives you instant warning in the form of zero readout whenever your input signal falls below the sensitivity threshold of the trigger circuit. When the signal level returns to an acceptable level, the counter locks on for a correct reading. Sensitivity A basic sensitivity of 15 mV, backed by Fluke’s conservative design margin, guarantees you will get reliable, solid readings every time. In practice, a typical sensitivity of 10 mV will be experienced. Versatile Time Bases The standard 0.5 ppm per month timebase assures excellent long term stability for bench, production or field use. A convenient rear panel external timebase input jack and switch let you operate from your own 10 MHz frequency standard at any time. Choice of optional time bases with improved aging rates and temperature stabilities allows you to purchase only as much stability as you’ll need in your applications. Input Signal Conditioning Each counter offers trigger level and attenuator controls which operate over the dynamic range of the input to permit accurate readings in the presence of noise. Even ringing TTL signals can be accurately measured. In addition, the 1911A offers a separate 50 ohm input for 50 MHz to 250 MHz and the 1912A does the same but goes to 520 MHz. Battery Portability All three counters are available with rechargeable batteries for field portability. Order 1910A -01,1911A-01, or 1912-01. Four hours minimum operation gives you plenty of opportunity to solve those tough field service problems

Эти руководства доступны для вышеуказанного оборудования:

Fluke -- 1912A -- Руководство пользователя, Схема Cirquit
Имя файла: Fluke-1431-Manual-Page-1-Picture
Руководство Тип: Руководство пользователя, Схема Cirquit
Страницы: 130
Размер: 4.80 Mbytes (5028696 Bytes)
Язык: английский
Редакция: 1 2/79
Manual-ID/Number: 467746
Дата: September 1977
Качество: Отсканированы документу, все читается.
Дата публикации:
MD5: bee6ced69acf87eef54dbb1fc019a3be
ed2kID: f368afed9b43be5cf697dd4e34753c49
Скачиваний: 998 поскольку 19 February 2009
Информация:
Fluke-1431-Manual-Page-1-Picture
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Fluke -- 1912A -- Технический паспорт
Имя файла: Fluke-7630-Manual-Page-1-Picture
Руководство Тип: Технический паспорт
Страницы: 2
Размер: 301.43 Kbytes (308661 Bytes)
Язык: английский
Редакция:
Manual-ID/Number:
Дата: 1990
Качество: Сканированный документ, читая частично плохо, частично не читается.
Дата публикации:
MD5: 8fe721a4306641735f88fd786be0f3f8
ed2kID: 886d5382712da388373fc211949ee288
Скачиваний: 48 поскольку 28 January 2016
Информация:
Fluke-7630-Manual-Page-1-Picture
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