Keithley 2182 Multímetro digital
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Modelo:
2182
Fecha:
1998
Categoría:
Grupo:
Descripción:
Nanovoltmeter
Información
The Model 2182 is a 7 1⁄2-digit high-performance digital
nanovoltmeter. It has two input
channels to measure voltage and temperature. The measurement
capabilities of the Model 2182
are explained in Section 2 of this manual (see “Measurement
overview”).
Features of the Model 2182 Nanovoltmeter include:
•
Ratio — Provides comparison readings between two voltage
inputs. Ratio performs
V1/V2.
•
Delta — Provides average difference of Channel 1 inputs.
Delta performs
(V1t1–V1t2)/2.
•
Enhanced Delta, Pulse Delta, and Differential Conductance —
The following tests can be performed when using a Model
2182 2182A/with a Model 6220 or 6221 Current Source:
—
Delta - Uses a square wave output and a 3-point measurement
algorithm to cancel the effects of thermal EMFs.
—
Pulse Delta /6221 and 2182A only) - Provides a pulse output
and a 3-point (or 2-point) measurement algorithm for testing
of temperature sensitive Device Under Test (DUT).
—
Differential Conductance - Uses a differential current
output and a 3-point moving
average algorithm to perform differential measurements.
•
mX+b and Percent — These calculations provide mathematical
manipulation of
readings.
•
Relative — Null offsets or establish baseline values.
•
Buffer — Store up to 1024 readings in the internal buffer.
•
Limits — Set high and low reading limits to test devices.
•
Internal Scanning — Scan the two input channels of the
Model 2182,
•
External Scanning — Scan the channels or matrix points of
Keithley Model 7001.7002
switching cards.
•
Setup Storage — Two instrument setups (user and factory
defaults) can be saved and
recalled.
•
Analog Output — With analog output gain set to one, a full
range input will result in a
1V analog output.
•
Remote Interface — The Model 2182 can be controlled using
the IEEE-488 Interface
(GPIB) or the RS-232 Interface.
•
GPIB Programming Language — When using the GPIB, the
instrument can be
programmed using the SCPI or model 182 (DDCs) programming
language.
•
Closed-cover Calibration — The Model 2182 can be calibrated
from either the front
panel or the GPIB.
Type manuel:
Manual de servicio
Páginas:
114
Tamaño:
1.21 Mbytes (1263651 Bytes)
Idioma:
english
Revisión:
C
Manuel-ID:
2182-902-01 Rev. C
Fecha:
2001 09 01
Formato:
Documento electrónico, sin análisis, muy bien legible.
Fecha de subida:
2020 07 23
MD5:
9f150f6a7f0c40c3c09b30c63a51cdf3
Descargas:
329
Información
Performance Verification
Introduction ... 1-2
Verification test requirements ... 1-2
Environmental conditions ... 1-2
Warm-up period ... 1-3
Line power ... 1-3
Recommended test equipment ... 1-3
Verification reading limits ... 1-4
Restoring factory defaults ... 1-4
Auto-calibration (ACAL) ... 1-4
Performing the verification test procedures ... 1-5
Test summary ... 1-5
Test considerations ... 1-5
Verification procedures ... 1-6
Voltage measurement accuracy ... 1-6
Temperature measurement accuracy ... 1-8
Analog output accuracy ... 1-10
Calibration
Introduction ... 2-2
Environmental conditions ... 2-2
Temperature and relative humidity ... 2-2
Calibration considerations ... 2-3
Calibration cycle ... 2-3
Calibration menu ... 2-3
Calibration errors ... 2-5
Aborting calibration ... 2-6
Normal calibration ... 2-6
Recommended calibration equipment ... 2-6
Front panel calibration ... 2-6
Remote calibration ... 2-10
Factory calibration ... 2-12
Recommended test equipment ... 2-12
Remote factory calibration ... 2-13
Routine Maintenance
Introduction ... 3-2
Line fuse replacement ... 3-2
Line voltage selection ... 3-3
Troubleshooting
Introduction ... 4-2
Repair considerations ... 4-2
Power-on self-test ... 4-3
Front panel tests ... 4-3
KEY test ... 4-3
DISP test ... 4-3
Principles of operation ... 4-4
Power supply ... 4-4
Display board ... 4-5
Digital circuitry ... 4-6
Analog circuitry ... 4-7
Troubleshooting ... 4-10
Display board checks ... 4-10
Power supply checks ... 4-11
Digital circuit checks ... 4-12
Analog circuit checks ... 4-13
Analog signal switching states ... 4-14
No comm link error ... 4-16
Disassembly
Introduction ... 5-2
Handling and cleaning ... 5-2
Handling PC boards ... 5-2
Solder repairs ... 5-2
Static sensitive devices ... 5-2
Assembly drawings ... 5-3
Disassembly ... 5-4
Case cover removal ... 5-4
Motherboard removal ... 5-4
Front panel disassembly ... 5-5
Main CPU firmware replacement ... 5-6
Changing trigger link lines ... 5-7
Removing power components ... 5-8
Power transformer removal ... 5-8
Power module removal ... 5-8
Instrument reassembly ... 5-9
Power module connections ... 5-9
Board installation ... 5-9
Replaceable Parts
Introduction ...
6-2
Parts lists ...
6-2
Ordering information ...
6-2
Factory service ...
6-2
Component layouts ...
6-2
Specifications
Calibration Reference
Introduction ... B-2
Command summary ... B-3
Default calibration constants and tolerances ... B-4
Miscellaneous commands ... B-6
:CODE ... B-6
:COUNT? ... B-6
:LOCK ... B-7
:SAVE ... B-7
:DATE ... B-8
:NDUE ... B-8
DATA? ... B-9
Calibration step commands ... B-9
:DC ... B-9
Precalibration commands ... B-10
:PCAL ... B-10
Detecting calibration errors ... B-11
Reading the error queue ... B-11
Error summary ... B-11
Status byte EAV (Error Available) bit ... B-12
Generating an SRQ on error ... B-12
Detecting calibration step completion ... B-12
Using the *OPC? query ... B-12
Using the *OPC command ... B-13
Generating an SRQ on calibration complete ... B-13
Calibration Program
Introduction ...
C-2
Computer hardware requirements ...
C-2
Software requirements ...
C-2
Calibration equipment ...
C-2
General program instructions ...
C-3
Index
Type manuel:
Manual del usuario
Páginas:
339
Tamaño:
1.97 Mbytes (2066487 Bytes)
Idioma:
english
Revisión:
B
Manuel-ID:
2182A-900-01
Fecha:
2017 05 01
Formato:
Documento electrónico, sin análisis, muy bien legible.
Fecha de subida:
2018 08 22
MD5:
fafdfed71d7a8e85ec9b88b59893d53b
Descargas:
1201
Información
This User’s Manual supports both the Models 2182 and(2182A:
References to the Model 2182 apply to both the Models 2182
and 2182A,
References to the Model 2182.2182A apply to the Model 2182
with firmaware version A10
or higher, and the Model 2182A with firmware version C01 or
higher.
References to the Model 2182A applies to the Model 2182A
with firmware version C01 or higher.