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Fluke 9140 User Manual

Fluke 9140
52 pages
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9140
Dry-well Calibrator
User’ s Guide
Rev. 5B1702
Hart Scientific

Table of Contents

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Fluke 9140 Specifications

General IconGeneral
Stability±0.01 °C
Well Diameter25 mm
DisplayLCD
Communication InterfaceRS-232
Resolution0.1 °C
Power SupplyAC mains

Summary

1 Before You Start

1.1 Symbols Used

Lists safety and indicator symbols used in the manual and on the instrument.

1.2 Safety Information

Defines hazard terms and provides essential safety guidelines for operation.

1.3 Authorized Service Centers

Lists contact information for authorized service centers for product support.

2 Introduction

3 Specifications and Environmental Conditions

3.1 Specifications

Lists detailed technical specifications for the 9140 dry-well calibrator.

3.2 Environmental Conditions

Details the recommended operating temperature, humidity, and pressure ranges.

3.3 Warranty

Outlines the product warranty terms, coverage, and limitations.

4 Quick Start

4.1 Unpacking

Provides instructions for unpacking and verifying instrument components.

4.2 Set-Up

Guide for correctly positioning and connecting the calibrator for initial use.

4.3 Power

Instructions for connecting the power cord and turning the instrument on.

4.4 Setting the Temperature

Procedure for setting the desired temperature set-point on the calibrator.

5 Parts and Controls

5.1 Rear Panel

Identifies and describes connectors and switches on the rear panel.

5.2 Front Panel

Details the controller display, keypad, and indicator functions.

5.3 Constant Temperature Block Assembly

Describes the main temperature block and probe sleeve system.

6 General Operation

6.1 Calibrator Set-Up

Instructions for initial placement, connection, and power-up.

6.2 Changing Display Units

How to switch temperature display between Celsius and Fahrenheit.

6.3 Switching to 230 V Operation

Guide for safely changing the instrument's voltage setting.

6.4 Setting the Temperature

Step-by-step process for setting the target temperature.

7 Controller Operation

7.1 Well Temperature

Description of the digital display showing the actual well temperature.

7.2 Temperature Set-point

Detailed guide on setting and adjusting the temperature set-point.

7.3 Scan

Configuration options for timed heating or cooling rates.

7.4 Temperature Display Hold

Functionality to freeze the displayed temperature for testing.

7.5 Secondary Menu

Accessing less frequently used advanced functions.

7.6 Controller Configuration

Options for programming parameters and calibration settings.

7.7 Operating Parameters

Menu for adjusting general operating parameters.

7.8 Serial Interface Parameters

Configuration settings for RS-232 communication.

8 Digital Communication Interface

8.1 Serial Communications

Overview of connecting and using the RS-232 serial interface.

8.2 Interface Commands

List of commands for controlling the calibrator via serial interface.

9 Test Probe Calibration

9.1 Comparison Methods

Techniques for calibrating probes against a reference standard.

9.2 Dry-well Characteristics

Information on temperature gradients and performance rates.

10 Calibration Procedure

10.1 Calibration Points

Guidance on selecting appropriate temperature points for calibration.

10.2 Calibration Procedure

Detailed steps for performing dry-well calibration using calculated parameters.

11 Maintenance

12 Troubleshooting

12.1 Troubleshooting Problems, Possible Causes, and Solutions

Lists common issues, likely causes, and recommended solutions.

12.2 CE Comments

Information regarding compliance with European directives.

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