GE CTR 80 1 Before You Start

1 Before You Start

1.1 Symbols Used

Table1 lists the International Electrical Symbols. Some or all of these symbols

may be used on the instrument or in this manual.

Symbol Description

AC(Alternating Current)

AC-DC

Battery

Complieswith European Union directives

DoubleInsulated

ElectricShock

Fuse

PEGround

HotSurface (Burn Hazard)

Readthe User’s Manual (ImportantInformation)

Off

1Before You Start

Table1 International Electrical Symbols

Contents

Main Page Table of Contents Page Page Page Page Page 1 Before You Start 1.1 Symbols Used 1.2 Safety Information 1.2.1 Warnings Page 1.2.2 Cautions Page 1.3 Customer Service Information 2 Introduction 3 Specifications and Environmental Conditions 3.1 Specifications 3.2 Environmental Conditions 3.3 Hardware Warranty and Assistance 3.3.1 Instrument Warranty 3.3.2 In-Warranty Repairs 3.3.3 After-Warranty Repairs 3.3.4 Equipment Maintenance Agreements 3.3.5 Customer Support 3.3.6 Customer Support Agreement 3.3.7 Customer Site Assistance 4 Quick Start 4.1 Unpacking 4.2 Set-up 4.3 Power 4.4 Setting the Temperature 24.68 C S 1. 25.0 S C 25.00 U C 30.00 S E 24.73 C 5 Installation 5.1 Bath Environment 5.2 Dry-out Period 5.3 Bath Preparation and Filling 5.3.1 Drain Valve Installation Instructions 5.3.2 Filling With Fluid 5.4 Power 6 Bath Use 6.1 General 6.2 Comparison Calibration 6.3 Calibration of Multiple Probes 7 Parts and Controls 7.1 Control Panel -80.00 C 7.2 Bath Tank and Lid 7.3 Back Panel Page 8 General Operation 8.1 Bath Fluid 8.1.1 Temperature Range 8.1.2 Viscosity 8.1.3 Specific Heat 8.1.4 Thermal Conductivity 8.1.5 Thermal Expansion 8.1.6 Electrical Resistivity 8.1.7 Fluid Lifetime 8.1.8 Safety 8.1.9 Cost 8.1.10 Commonly Used Fluids 8.1.10.1 Water (Distilled) 8.1.10.2 Ethanol 8.1.10.3 Mineral Oil 8.1.11 Fluid Characteristics Table 8.1.11.1 Limitations and Disclaimer 31 8General Operation Table2 Table of Various Bath Fluids 8.2 Stirring 8.3 Power 8.4 Heater 8.5 Refrigeration 8.5.1 Operation 8.6 Temperature Controller Page 9 Controller Operation 9.1 Bath Temperature 10.00C 9.2 Temperature Set-point 9.2.1 Programmable Set-points 36 9Controller Operation Figure4 Controller Operation Flowchart Operating Parameters Cal S 9.3 Scan S S 9.4 Secondary Menu 9.5 Heater Power 10.00C SEC S ProP 15.0 1.5 S 9.7 Cutout S Pb= 0.05C S CO= 80C CO= 70C S 9.8 Controller Configuration 9.9 Operating Parameters 9.10 Serial Interface Parameters Page 9.11 Calibration Parameters Page 10 Digital Communication Interface 10.1 Serial Communications 10.1.1 Wiring 10.1.2 Setup 10.1.2.1 Baud Rate RS-232 Cable Wiring for IBM PC and Compatibles 10.1.2.2 Sample Period 10.2 Interface Commands Page Page 11 Calibration Procedure 11.1 Calibration Procedure 11.1.1 Calibration Equipment 11.1.2 Calibration Page 12 Maintenance Page 13 Trouble Shooting 13.1 Troubleshooting 13.2 CE Comments 13.2.1 EMC Directive 13.2.2 Low Voltage Directive (Safety) 13.3 Wiring Diagram 59 13Trouble Shooting Figure6 Wiring Diagram AAddedin-lineprobe connector JG ECO7380-1 8/13/1999