Fluke 2638A User Manual

Contents (continued)
iii
Read Mode ................................................................................................ 3-24
Debounce .................................................................................................. 3-24
Math Channel Configuration (Ch501 to Ch520) ........................................... 3-26
Mx+B, Alarms, and Channel Options ................................................................ 3-29
Mx+B Scaling ................................................................................................ 3-29
HI and LO Channel Alarms ........................................................................... 3-30
Channel Delay ............................................................................................... 3-32
Rate of Change .............................................................................................. 3-32
NPLC ............................................................................................................. 3-33
Input Impedance ............................................................................................ 3-33
Bandwidth ..................................................................................................... 3-33
Display As ..................................................................................................... 3-33
Open Detect ................................................................................................... 3-33
4 Scan/Monitor, Record, and Data ........................................................ 4-1
Introduction ........................................................................................................ 4-1
Scan .................................................................................................................... 4-1
About Scan Timing and Sampling ................................................................. 4-3
Configure a Scan ........................................................................................... 4-5
Trigger Type.............................................................................................. 4-6
Auto Recording ......................................................................................... 4-7
File Destination ......................................................................................... 4-7
Sample Rate .............................................................................................. 4-7
Data Security ............................................................................................. 4-8
Temperature Unit ...................................................................................... 4-9
Align Channels .......................................................................................... 4-9
Automatic Power Loss Scan Resume ........................................................ 4-10
Basic Scan Procedures ................................................................................... 4-10
Start a Scan ................................................................................................ 4-10
View Scan Data and Statistics ................................................................... 4-11
Graph the Measurements ........................................................................... 4-12
Monitor .............................................................................................................. 4-13
Record ................................................................................................................ 4-14
Record Measurement Data ............................................................................ 4-14
Memory Consumption for Recorded Data .................................................... 4-15
Open and View Measurement Data on a PC ................................................. 4-15
How to Read the Setup CSV File .................................................................. 4-17
How to Read the Data CSV File .................................................................... 4-19
5 DMM Operation .................................................................................... 5-1
Introduction ........................................................................................................ 5-1
About the DMM Function ................................................................................. 5-1
Input Type Selection and Range Adjustment .................................................... 5-2
More Functions (PT385 or PT392) .................................................................... 5-2
Relative Measurements ...................................................................................... 5-2
Graph the Measurements ................................................................................... 5-3
Measurement Statistics ...................................................................................... 5-4
6 Maintenance and Care ........................................................................ 6-1
Introduction ........................................................................................................ 6-1
Clean the Product ............................................................................................... 6-1
Replace the Fuse ................................................................................................ 6-1
Memory Reset and Factory Reset ...................................................................... 6-2
Firmware Update ............................................................................................... 6-3
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Fluke 2638A Specifications

General

Resistance Range	0 to 100 MΩ
Power Supply	100 V to 240 V AC, 50 Hz to 60 Hz
Voltage Range	±300 V
Resolution	6.5 digits
Memory	USB
Interface	USB, Ethernet
Display	Color
Measurement Types	DC voltage, AC voltage, resistance, DC current, AC current, frequency, temperature