Vishay Instruments BAM-1 Измеритель уровня
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Модель:
BAM-1
Дата:
1976
Категория:
Группа:
Описание:
Bridge Amplifier and Meter
Информация
The BAM-1 Bridge Amplifier and Meter is a battery-
operated instrument used primarily to measure the
-output of resistance-type strain gages or transducers.
Static outputs can be read directly on the self-contained
deflection meter or an external recorder; dynamic
outputs up to 20 kHz can be read on an Oscilloscope. .
Briefly, the BAM-1 consists of:
a) A battery to supply bridge excitation
up to 12 Vdc;
b) Bridge completion and circuits to achieve
initial bridge balance;
c) Shunt-calibration circuits;
d) A fixed-gain dc differential Amplifier (with
battery power); and
e) A linear 4½" center-zero readout meter.
1.2 The principle features of the BAM-1 include:
... Operation by self-contained batteries (115 and 230
Vac Power Packs optional).
... Ultra-stable dc Amplifier with a gain of 250,
flat up to 20 kHz (100 kHz in Model BAM-1B).
... Adjustable system gain from ± 100 to 15,000 µe
full scale (one active 120Ω gage).
... Built-in shunt calibration from 20 to 20,000µe
in 10 steps (one active gage).
... Amplifier can be used independently for thermo
couples, etc.
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Дата загрузки:
2013 04 01
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Загрузки:
666
Информация
This Manual applies specifically to BAM-l's above serial
number 14600. The Operating Procedure applies to essentially
all BAM-1 "s including those made by Vishay Instruments
or Ellis Associates, regardless of date of manufacture,
except for Quarter Bridge hook-up and other very minor
discrepancies.
SECTION 1 : DESCRIPTION Page
GENERAL ... 3
SPECIFICATIONS ... 3
CONTROLS ... 4
SECTION 2: OPERATING PROCEDURE
INPUT CONNECTIONS ... 5
WIRING CONSIDERATIONS ... 5
INITIAL ADJUSTMENTS ... 6
CALIBRATION CALCULATIONS ... 6
STATIC MEASUREMENTS WITH PANEL METER ... 7
DYNAMIC MEASUREMENTS ... ... 8
NOISE ... 9
WARRANTY ... 10
SECTION 3: SERVICING DATA
BATTERY REPLACEMENT ... 11
TROUBLE SHOOTING GUIDES ... II
ADJUSTMENTS ... 11
COMPONENT REPLACEMENT ... 11
SCHEMATIC ... 1 ... 12