Fluke 9150 S, S

Program mode

Press “SET” to adjustthe program mode and the“UP” or “DOWN”buttons to

change the mode.

Pf=4 New mode

Press “SET” to continueor “EXIT” to continue without saving the new value.

SSave new setting

8.4.5 Program Control

The finalparameter in the program menu is the control parameter. You may

choose between three optionsto either start the program from the beginning,

continuethe program from where it was when it was stopped, or stop the

program.

P=OFF Program presently off

Use the“UP” or “DOWN”buttons to change the status.

P=Go Start cycle from beginning

Press “SET”to activate the new program control command and return to the

temperature display.

SActivate new command.

8.5 Secondary Menu

Functions which are used lessoften are accessed within the secondary menu.

The secondary menu is accessed by pressing “SET” and “EXIT”simulta-

neously and then releasing.The first function in the secondary menu is the

heater powerdisplay. (See Figure 4 on page 22.)

8.6 Heater Power

The temperaturecontroller controls the temperature of the furnace by pulsing

the heater on and off. The total power being applied to the heater is determined

by the duty cycleor the ratio of heater on time to the pulse cycle time. By

knowingthe amount of heating the user can tell if the calibrator is heating up to

the set-point, cooling down, or controlling at a constant temperature. Monitor-

ing the percent heater powerlets the user know how stable the well temperature

is. Withgood control stability the percent heating power should not fluctuate

more than ±1% within one minute.

The heater powerdisplay is accessed in the secondary menu. Press “SET” and

9150 Portable Furnace

User’s Guide

28

Contents

Main Page Table of Contents 9 Digital Communication Interface . . . . . . . . . . . . . . . . 37 10 Test Probe Calibration . . . . . . . . . . . . . . . . . . . . . . 43 Page 1 Before You Start 1.1 Symbols Used 1.2 Safety Information 1.2.1 WARNINGS 1.2.2 CAUTIONS 1.3 Authorized Service Centers Page 2 Introduction 3 Specifications and Environmental Conditions 3.1 Specifications 3.2 Environmental Conditions 3.3 Warranty 4 Safety Guidelines 5 Quick Start 5.1 Unpacking 5.2 Set-Up 5.3 Power 5.4 Setting the Temperature 6 Parts and Controls 6.1 Back Panel 6.2 Front Panel 6.3 Constant Temperature Block Assembly 6.3.1 Constant Temperature Block 6.3.2 Probe Sleeves and Tongs Page 7 General Operation 7.1 Changing Display Units Un= C 7.2 Switching to 230V Operation 8 Controller Operation 8.1 Well Temperature 962.3 C 8.2 Temperature Set-point 8.2.1 Programmable Set-points Page S 8.3 Scan S 8.4 Ramp and Soak Program 8.4.1 Program Points 962.4 S+U S 8.4.3 Program Set-Points SP 1 SP 4 S 0962.7 0970.0 S Pt 4 S 00001 00200 S Sr 4 S 10.0 11.3 S 8.4.4 Program Function Mode Pf=1 Pf=4 S 8.4.5 Program Control P=OFF P=Go S 8.5 Secondary Menu 8.6 Heater Power 962.4 8.7 Set-point Voltage S 11.934U 8.8 Proportional Band S 11.934 U S ProP 30.0 30.5 S 8.9 Controller Configuration 8.10 Operating Parameters S 8.11 Serial Interface Parameters Page 8.12 Calibration Parameters Page 9 Digital Communication Interface 9.1 Serial Communications 9.1.1 Wiring 9.1.2 Setup 9.1.3 Serial Operation 9.2 Interface Commands Table 2 Communications Command Summary 9 Digital Communication Interface Interface Commands Table 3 Communications Commands Summary continued Table 4 Communications Commands Summary continued 10 Test Probe Calibration 10.1 Calibrating a Single Probe 10.2 Furnace Characteristics 10.2.1 Stabilization and Accuracy Page 11 Calibration Procedure 11.1 Calibration Points 11.2 Calibration Procedure Page 12 Maintenance 13 Troubleshooting 13.1 Troubleshooting Problems,Possible Causes, and Solutions 13.2 Comments 13.2.1 EMC Directive 13.2.2 Low Voltage Directive (Safety)