National Instruments DAQMeter DAQCard-4050 Manuals

Manuals and User Guides for National Instruments DAQMeter DAQCard-4050. We have 1 National Instruments DAQMeter DAQCard-4050 manual available for free PDF download: User Manual

National Instruments DAQMeter DAQCard-4050 User Manual

National Instruments DAQMeter DAQCard-4050 User Manual (57 pages)

Digital Multimeter Card for PCMCIA

Brand: National Instruments | Category: Multimeter | Size: 0 MB

Table of Contents

Table of Contents
4
About this Manual

7
Chapter 1 Introduction

10
Chapter 2 Installation and Configuration

15
- Safety Instructions
  15
- Installation
  16
- Cable and Probes
  17
- Figure 2-1. Installing the Daqcard-4050 and Cables
  17
- Hardware Configuration
  18
- Figure 2-2. Probe Types
  18
Chapter 3 DMM Operation

19
- Warm-Up
  19
- Choosing a Reading Rate
  19
- Measuring Voltages
  20
  - Figure 3-1. Connecting Probes for Voltage Measurement
    20
  - Accuracy Considerations
    21
    
    Input Impedance
    21
    
    Table 3-1. DC Input Range Accuracy
    21
    
    AC Noise Effects
    22
    
    Thermal EMF
    22
    
    Figure 3-2. the Effect of Input Impedance on Signal Measurement
    22
  - DC Voltages
    21
  - Input Ranges
    21
- AC Voltages
  23
  - True RMS Method
    23
  - Input Ranges
    23
  - Accuracy Considerations
    24
    
    Frequency Response
    24
    
    Table 3-2. AC Input Range Accuracy
    24
    
    Crest Factor
    25
    
    Table 3-3. Input Frequency Error Rate
    25
    
    Table 3-4. Crest Factor Error Rate
    25
    
    AC Voltage Offset
    26
- Measuring Resistance
  26
- Testing Diodes
  28
  - Signal Connections
    28
  - Figure 3-4. Connections for Diode Measurement
    28
- Measuring Current
  29
- Figure 3-5. Connections for Current Measurement
  29
Appendix A Specifications

30
- Crest Factor Errors
  32
- General Specifications
  33

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