National Instruments NI USB-4350 Manuals

Manuals and User Guides for National Instruments NI USB-4350. We have 1 National Instruments NI USB-4350 manual available for free PDF download: User Manual

National Instruments NI USB-4350 User Manual

National Instruments NI USB-4350 User Manual (77 pages)

High-Precision Temperature and Voltage Meters

Brand: National Instruments | Category: Measuring Instruments | Size: 0.79 MB

Table of Contents

Table of Contents
5
About this Manual
8
Conventions
8
Related Documentation
9
Introduction
10
About the ni 435X High-Precision DAQ Devices
10
Using PXI with Compactpci
11
Configuration
11
NI 435X Software Selection Chart
12
Software Options for the ni 435X
12
What Is Virtualbench-Logger
12
What Is Labview
13
What Is Labwindows/CVI
13
What Is the ni 435X Instrument Driver
13
What Is the MAX Create New Channel Wizard
15
Installing the Software and Hardware
15
LED Patterns
15
Optional Equipment
17
Power Considerations for the ni USB-4350
17
Safety Information
18
Operating the ni 435X Device
19
Warming up the ni 435X Device
19
Choosing a Measurement Mode
19
Choosing a Range
20
Choosing a Reading Rate
20
Knowing the Signal Source
22
Floating Signal Source
22
Ground-Referenced Signal Source
22
Using Programmable Ground-Referencing
22
Using Programmable Open-Thermocouple Detection
23
Measuring Temperature with Thermocouples
24
Connecting the Thermocouple
26
Input Ranges
26
Optimizing Measurements
26
Auto-Zero
27
Programmable Ground-Referencing
27
Programmable Open-Thermocouple Detection
27
AC Noise Effects
28
Thermal EMF
28
Measuring DC Voltage
29
Connecting the DC Voltage Signal
29
Input Ranges
29
Optimizing Measurements
29
Auto-Zero
30
Programmable Ground-Referencing
30
Programmable Open-Thermocouple Detection
30
Source Impedance
30
AC Noise Effects
31
Thermal EMF
31
Measuring Temperature with Rtds and Thermistors and Measuring Resistance
31
Introduction to Rtds
32
Relationship of Resistance and Temperature in Rtds
32
Connecting the RTD
34
Introduction to Thermistors
36
Resistance-Temperature Characteristic of Thermistors
38
Connecting the Thermistor
38
Connecting the Resistor
39
Input Ranges
41
Optimizing Measurements
42
Auto-Zero
42
Programmable Ground-Referencing
43
Programmable Open-Thermocouple Detection
43
Connecting to External Circuits
43
2-Wire, 3-Wire, and 4-Wire Measurements
43
Self-Heating
44
AC Noise Effects
44
Thermal EMF
45
Using the Current Source
45
Using Digital Inputs and Outputs
45
Connecting the Digital Input and Output
46

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