Data Precision 2480R Multímetro digital
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Modelo:
2480R
Data:
1978
Categoria:
Grupo:
Descrição:
BENCH/PORTABLE 4 1/2 DIGIT DIGITAL MULTIMETER
Informação
Data Precision Mode! 2480.2480R Digital multimeter is a AVi
digit, laboratory quality, portable as well as bench-useful,
multimeter, incorporating 25 Measuring Function/Range
capabilities. These include:
DCV, ACV, DCmA, ACmA, and KOhms, Resolutions of 10 microvolts,
0.1 ohms, and 10 nanoamperes are obtained at the lowest
selectable full scale range, whiie voltages up to 1200VDC or
1400 peak AC and currents up to 2 amperes may be measured by
Model 2480.2480R with 4V2 digit resolution and specified
accuracies. All values are direct reading with automatically
positioned décimai point and polarity sign (fordc
measurements only),
b. Model 2480 measures ac inputs with average sensing
calibrated for RMS, whiie Mode! 2480R measures ac inputs
with true RMS values. All other measuring functions are
performed In the same manner in Mode! 2480 or Mode! 2480R,
c. Information in this manual is organized so that operators
and system users may locate applicable data and instructions
(through Chapter 3) without having to wade-through technical
detail necessary for maintenance and repair. Information in
Chapters 4 and 5 essentially support the technical
requirements for maintenance, trouble-shooting, and repair
activities.
d. The basic Model 2480.2480R is complete with integral
battery charger, detachable line cord, and test probes.
Optional battery pack assembly may be installed in the field
at any time.
Tipo de manual:
Serviço e Manual do Usuário
Páginas:
66
Tamanho:
2.19 Mbytes (2294703 Bytes)
Idioma:
english
Revisão:
ID de manual:
62-5010-E
Data:
1978 01 01
Qualidade:
Documento Scaned, a leitura parcialmente mal, não parcialmente legível.
Data de upload:
2016 12 29
MD5:
6c6c9c159f36ff8d303f1d1da85abf1b
Downloads:
1317
Informação
1. INTRODUCTION
1.1 General, Scope of Manual
1.2 Operating Features
1.3 Specifications
1.3.1 DC Volts
1.3.2 Resistance
1.3.3 DC Current
1.3.4 AC Volts
1.3.5 AC Current
1.3.6 All Measuring Modes
1.4 Accessories
2. OPERATION
General
Unpacking and Repacking
Front Panel Controls and Indicators
Rear Panel Features
Operation
2.5.1 General
2.5.2 Signal Connections
2.5.3 Selecting a Measuring Function
2.5.4 Selecting Range,
2.5.5 Reading the Display
Application Notes
2.6.1 General
2.6.2 Avoiding Ground Loops,
Making “ Grounded" Measurements
2.6.3 Making "Floating” Measurements
2.6.4 Making High Resistance Measurements
2.6.5 Making Very Low Voltage Measurements
Operator Servicing
3. CALIBRATION
General
CalibratingCalibrationAdjustments
Procedures
MODEL 2480.2480R
4. PRINCIPLES OF OPERATION
General
Overall Block Diagram and System Timing
4.2.1 Input Signal Scaling
4.2.2 Tri-Phasic A/D Conversion
4.2.3 Digital Logic Programmer
4.2.4 Decoder Driver and Dispiay
4.2.5 Reference Generator
4.2.6 DC/DC Converter & Power supply
Input Signal Conditioning Details
4.3.1 Voltage Attenuator
4.3.2 DCV Signal Conditioning
4.3.3 ACV Signal Conditioning
4.3.4 Current Shunt & Current input Signal Conditioning
4.3.5 Resistance Measurement Signal Conditioning
Tri-Phasic AID Converter Details
Isopolar Referencing
Digital Logic Programmer & Master Oscillator
Display
DC/DC Converter & Power supply
5. MAINTENANCE
General
Trouble-Shooting Flow Chart
Test Points
Field (Operator) Maintenance
Open-Meter Test Maintenance
5.5.1 General
5.5.2 Access to Meter Assembly in Case
Test Equipment
Power supply Test
5.8
Digital Logic Test
5.8.1 Time-Base Generation
5.8.2 Program Logic'
5.8.3 Decoder/Driver Logic
5.9 A/D Converter & Signal Conditioners Test
5.9.1 Analog A/D
5.9.2 AC/DC Signal Conditioner
5.10 Post Trouble-Shooting & Repair
6. PARTS LISTS
Fold Out Reference Drawings <--IS MISSING!