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TA Instruments Q20 User Manual

TA Instruments Q20
76 pages
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RevisionN
IssuedJanuary2007
Q Series
TM
Getting Started Guide
DSC
Differential Scanning
Calorimeter

Table of Contents

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TA Instruments Q20 Specifications

General IconGeneral
ModelQ20
TypeDifferential Scanning Calorimeter (DSC)
Temperature Range-90°C to 550°C
Heating Rate0.1°C/min to 100°C/min
Cooling Rate0.1°C/min to 100°C/min
Sensitivity0.2 µW
AtmosphereInert, Oxidizing, Reducing
Sample Pan TypeAluminum

Summary

Installing the DSC

Unpacking/Repacking the DSC

Instructions for unpacking and repacking the DSC instrument.

Installing the Instrument

Procedures for installing the DSC instrument, including connections and checks.

Inspecting the System

Steps to inspect the DSC system for shipping damage and missing parts.

Regulatory Compliance

Safety Standards

List of safety requirements for electrical equipment in various regions.

Safety

Instrument Symbols

Explanation of labels displayed on the DSC instrument for user protection.

Electrical Safety

Safety precautions related to high voltages within the instrument.

Handling Liquid Nitrogen

Safety Precautions

Thermal Safety

Safety measures related to hot or cold cell surfaces during experiments.

Lifting the Instrument

Guidelines for safely lifting and carrying the DSC instrument.

Introducing the DSC

DSC System Components

DSC Cell

Description of the heat flux DSC cell and its thermal network model.

DSC Q2000/Q200 Touch Screen

DSC Q1000/Q100 Touch Screens

Primary Function Keys

Explanation of the five primary function keys on the Q1000/Q100 touch screen.

DSC Auto Q20/Q20/Q10 Keypad

Choosing a Location

Connecting Cables and Lines

Ports

Description of the nine ports located on the rear of the DSC instrument.

Ethernet Switch Setup

Connecting the Instrument to the Switch

Steps to connect the DSC instrument to an Ethernet switch.

Purge Lines

Cooling Gas Line

Base Purge Line

Voltage Configuration Unit

Starting the DSC

Shutting Down the DSC

Installing the DSC Cooling Accessories

Installing the Finned Air Cooling System

Instructions for installing the Finned Air Cooling System (FACS).

Installing the Quench Coolers

Using, Maintaining, and Diagnosing the DSC

Using the DSC

General outline of steps for performing DSC experiments.

Before You Begin

Prerequisites and checks before setting up a DSC experiment.

Calibrating the DSC

Tzero Calibration

Baseline Slope and Offset Calibration

Enthalpy (Cell) Constant Calibration

Temperature Calibration

Heat Capacity (Q2000/Q1000) Calibration

Heat Capacity (MDSC®) Calibration

Pressure Calibration

Autosampler Calibration

Q2000/Q200/Auto Q20 Autosampler Calibration

Steps for calibrating the Autosampler via touch screen or control menu.

Autosampler Calibration via Instrument Control

Q1000/Q100 Autosampler Calibration

Running a DSC Experiment

Experimental Procedure

General outline of steps for performing DSC experiments.

Loading the Sample

Starting an Experiment

Stopping an Experiment

Maintaining the Instrument

Cleaning a Contaminated Cell

Procedures for cleaning a contaminated DSC or PDSC cell.

Burning Off Contamination (FACS)

Burning Off Contamination (RCS/LNCS)

Removing a DSC Q2000/Q1000 Cell

Installing a Cell

Replacing Fuses

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