Fluke 7381 - User Manual

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7381

Calibration Bath

User’s Guide

June 2013, Rev. 1, 5/23 (English)

Specifications are subject to change without notice.

All product names are trademarks of their respective companies.

Main Page

Table of Contents3
Introduction7
Contact Fluke Calibration7
Safety Information7
Specifications and Environmental Conditions9
Installation9
Unpack the Product10
Uncrate and Move the Bath10
Bath Environment11
Tipping Prevention Bracket Installation11
Installation on a Wood Floor11
Installation on a Concrete Floor11
Parts and Controls13
Front Panel13
Bath Tank and Lid14
Rear Panel and the Fluid Expansion Reservoir15
Before You Begin16
Power18
Bath Preparation and Filling18
Set the Temperature19
Bath Use19
General19
Comparison Calibration20
Calibrate Multiple Probes21
General Operation21
Heat Transfer Fluid21
Temperature Range21
Viscosity21
Specific Heat21
Thermal Conductivity22
Thermal Expansion22
Electrical Resistivity23
Fluid Lifetime23
Safety23
Cost23
Commonly Used Fluids23
Water24
Ethylene Glycol24
Mineral Oil24
Silicone Oil24
Fluid Characteristics Charts25
Stirring29
Heater29
Temperature Controller29
Cutout29
Cooling Control30
Refrigeration30
Controller Operation32
Bath Temperature32
Reset Cutout32
Temperature Set-Point34
Programmable Set-Points34
Set-Point Value34
Set-Point Vernier35
Scan35
Scan Control35
Scan Rate35
Temperature Scale Units36
Program Menu36
Number of Program Set-Points36
Set-Points37
Program Soak Time37
Program Function Mode37
Program Control38
Secondary Menu38
Heater Power38
Proportional Band39
Cutout Set-Point40
Controller Configuration41
Probe Parameters41
Alpha41
Operating Parameters42
Cooling Mode42
Hot Gas Bypass Mode42
Serial Interface Parameters44
BAUD Rate44
Sample Period45
Duplex Mode45
Linefeed45
IEEE-488 Setup (Optional)46
IEEE-488 Parameters46
IEEE-488 Address46
Transmission Termination46
Calibration Parameters47
Cto47
BO and BG47
H and L47
Hgbt47
Digital Communication Interface48
Serial Communications48
Wiring48
Interface Commands49
Calibration Procedure53
Calibration Points53
Measure the Set-Point Error54
Compute R and ALPHA54
Calibration Example55
Maintenance56
Troubleshooting58

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Fluke 7381 Specifications

General

Brand	Fluke
Model	7381
Category	Laboratory Equipment
Language	English

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