Fluke 1522 7.5 Delta(x) Mode, 7.6 Units

Press the ENT buttonto stop autologging and to advance to the next function.

7.4.5 Dump Data?

This functionallows the user to download the autologged data using the serial

port or printthe downloaded dats to a serial printer. To download using the se-

rialport, see Section 8 of thisguide before selecting “Yes” when prompted by

Dump Data.

The autologgeddata can also be downloaded using the 2374 IR dongle with the

9934 LogWare or 9935 LogWar e IIsoftware. The user must purchase the IR

dongleand the software from your Hart Scientific supplier. Using this software,

the autologgeddata can be downloaded in binary or ASCII format into a single

ASCII textfile or multip le ASCII textfiles based on th e labels. The approxi-

mate download times areas sp ecifiedin the following table:

DownloadMode DownloadTime

IRBinary 90seconds

†

IRASCII 22 minutes

†

Serial 22minutes

†

†

Timesapply for 10,000 readings

The LogWare software also provides a utility to view and change logging

labels.

7.5 Delta(x) Mode

This mode is identified by “Delta(x)” that temporarily appears on the display.

In this mode the deltabetween the measurement and a previously stored refer-

ence valueappears on the right side of the display. The reference value appears

on the left. The resolutionof thereference value may be changed using the

Resolution mode (see Section 7.8) if necessary.The ENT button sto res the

present measurement as the reference value.

Refer toSection 7.6 concerning how changing units affects Delta(x).

The message “Prb cal expired”,“Mtr cal expired”, “Recharge Needed”, or

“Probe is locked”may be displayed.

7.6 Units

This mode is identified by “Units: C/Ω/F/K/R” that appears on the display.

This mode allowsyou to select the unit of measurement: C for degrees Celsius,

Ωfor resistancein ohms, F for degrees Fahrenheit, K for Kelvin, and R for

Rankine.The Up and Down buttons are used to select one of the displayed

units.The underline cursor indicates which of the units is selected. The ENT

1522 Handheld Thermometer Readout

User’s Guide

36

Contents

Main Page Table of Contents 7 Display Functions. . . . . . . . . . . . . . . . . . . . . . . . . 31 8 Communications Interface. . . . . . . . . . . . . . . . . . . . 47 Page Figures and Tables 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 9 3 Specifications and Environmental Conditions Specifications 3.2 Environmental Conditions 3.3 Warranty Page 4 Quick Start 4.1 Unpacking 4.2 Use Proper Care with the 1522 and Accessories 4.3 Learn About the Features and Components 4.4 Connect the Probe 4.5 Connect the Power Source 4.6 Switch the Power On 4.7 Measure Temperature Page Page Page 5.2 Top and Side View 5.3 Back View 5.4 Internal Features 5.5 Accessories Page Page 6 General Operation 6.1 Battery 6.2 DC Power Source + 6.3 Power Button 6.4 Display and Backlight 6.5 Probe 6.6 INFO-CON Connector C1 and P1 terminalsand the other single wire to the C2 and P2 terminals (which areshorted together). 1522 Handheld Thermometer Readout Figure7 Probe Wiring Diagrams Short Two-wire Connection 7 Display Functions Each of these operating modes is described in the sections that follow. 7.1 Blank Mode This mode is identified by Blank that temporarily appears on the display. 7.2 Min/Max Mode 7.3 Demand Logging 7.3.1 Demand Log Label and Data Storage 7.3.2 Dump Data? 7.3.3 Clear Log? 7.4 Auto Logging 7.4.1 Clear Autolog? 7.4.2 Log Rate 7.4.3 Autolog Label 7.4.4 Autologged Data Storage 7.4.5 Dump Data? 7.5 Delta(x) Mode 7.6 Units 7.7 Rate 7.8 Resolution 7.9 CAL MODE Page 7.9.1 Mtr Due 7.9.2 Prb Due 7.9.3 Time 7.9.4 Passcode 7.9.5 Date 7.9.6 Probe Lock 7.9.7 Prb # 7.9.8 Prb Type 7.9.9 ITS-90 Page 7.9.10 IEC751 7.9.11 CVD 7.9.12 YSI-400 7.9.13 THERM 7.9.14 Probe Wires 7.9.15 PCal 7.9.16 PDue 7.9.17 Digital Filter 7.9.18 MCal 7.9.19 MDue 7.9.20 CAL1 and CAL2 8 Communications Interface 8.1 RS-232 Connection 8.2 Communication Command List 8.2.1 Primary Commands The followinggroup of commands read or set various functions. n 49 8 Communications Interface Communication Command List 8.2.2 Calibration Commands 51 8 Communications Interface Communication Command List 9 Calibration 9.1 Required Equipment 9.2 Calibration Procedure Page 10 Maintenance 11 Troubleshooting 11.1 An Error Message Is Displayed The followingtable lists possible error messages, their causes, and suggested actions. 57 11 Troubleshooting An Error Message Is Displayed 11.2 Downloading Autologged Data 11.3 Placement of Infrared Dongle for IR Data Transfer 11.4 CE Comments 11.4.1 EMC Directive 11.4.2 Low Voltage Directive (Safety)