Fluke 9011 1 Before You Start

1 Before You Start

1.1 Introduction

The Hart Scientific 9011 High-AccuracyDual-Well Calibrator may be used as

a portable instrument or bench top temperature calibrator for calibrating ther-

mocouple and RTDtemperature probes. Calibrations may be done over a range

of –30°C to 670°C (–22°F to 1238°F). Temperaturedisplay and setability reso-

lution is 0.1 degrees.

The instrument features:

•Rapid heating and cooling

•Hot and cold blocks in a single unit

•RS-232 interface capability

•Switch hold test

Built in programmable features include:

•Temperature scan rate control

•Eight set-point memory

•Adjustable readout in °C or °F

The temperature is accurately controlled by Hart’s digital controller.The con-

troller uses a precision platinum RTDas a sensor that controls the well temper-

ature with a triac driven heater or thermoelectric devices (TED).

The LED front panel continuously shows the current well temperature of both

hot and cold blocks. The temperature may be set, using the control buttons, to

any desired temperature within the instrument's range. Multiple fault protection

devices insure user and instrument safety andprotection.

This dry-well calibrator was designed for portability, low cost, and ease of op-

eration. Through proper use, the instrument will provide continued accurate

calibration of temperature sensors and devices. The user should be familiar

with the safety guidelines and operating procedures of the calibrator as de-

scribed in the instruction manual.

1

1 Before You Start

Introduction

Contents

Main Page Table of Contents 7 Digital Communication Interface . . . . . . . . . . . . . . . . 37 8 Test Probe Calibration . . . . . . . . . . . . . . . . . . . . . . 43 Page Figures and Tables 1 Before You Start 1.1 Introduction 1.2 Symbols Used Tabl e1 International Electrical Symbols 2 1.3 Safety Information 1.3.1 WARNINGS Page 1.3.2 CAUTIONS 1.4 Authorized Service Centers Page 2 Specifications and Environmental Conditions 2.1 Specifications -it 2.2 Environmental Conditions 9 2.3 Warranty 3 Quick Start 3.1 Unpacking 3.2 Set-up 3.3 Power 3.4 Setting the Temperature 4 Parts and Controls 4.1 Rear Panel 4.2 Front Panel 4.3 Top Panel 4.4 Constant Temperature Block Assembly 9011 Dual-Well Calibrator 16 Insert A Cold block insert shown (Hot block C insert includes eight 1/4" wells) 5 General Operation 5.1 Setting the Temperature 5.2 Changing Display Units Un= C 6 Controller Operation 6.1 Well Temperature 100.00C 6.2 Temperature Set-point 6.2.1 Programmable Set-points 20 SET Select Setpoint Adjust Setpoint Units C/F Scan On/Off Scan Rate Figure 4 Controller Operation Flow Chart Cold Side Only DO NOT CHANGE THESE VALUES S 6.3 Scan 6.3.1 Scan Control Sc=OFF Sc=On S 6.3.2 Scan Rate Sr=2.0 Sr=3.0 S 6.4 Temperature Display Hold 6.4.1 Switch Status 6.4.2 Scan Hold 6.5 Ramp and Soak Program Menu 20.00C S+U ProG S 6.5.1 Number of Program Set-points Pn=8 E Pf=1 Pf=4 6.5.5 Program Control P=OFF S 6.6 Set-point Resistance 99.222 6.7 Secondary Menu 6.8 Heater Power S+E SEC 12.0P 6.9 Proportional Band S+E SEC 12.0P S ProP 4.1 10.0 S 6.10 Controller Configuration 6.11 Operating Parameters PAr 6.12 High Limit S 6.13 Serial Interface Parameters Page 6.13.4 Linefeed (cold side only) LF LF=On LF=OFF 6.14 Calibration Parameters CAL Page S Page 7 Digital Communication Interface 7.1 Serial Communications 7.1.1 Wiring 7.1.2 Setup Page 7.1.3 Serial Operation 7.2 Interface Commands 40 Tabl e 2 Controller Communications Commands 41 7 Digital Communication Interface Interface Commands Controller Communications Commands continued 42 Controller Communications Commands continued 8 Test Probe Calibration 8.1 Calibrating a Single Probe 8.2 Dry-well Characteristics 8.2.1 Stabilization and Accuracy Page 9 Calibration Procedure 9.1 Calibration Procedure 9.1.1 Calibration Equipment 9.1.2 Calibration Page 10 Maintenance 11 Troubleshooting 11.1 Troubleshooting Problems, Possible Causes, and Solutions 11.2 CE Comments 11.2.1 EMC Directive 11.2.2 Low Voltage Directive (Safety)