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®
53 & 54 Series II
Thermometer
Users Manual
September 1999 Rev.1, 6/01
© 1999-2001 Fluke Corporation, All rights reserved. Printed in USA
All product names are trademarks of their respective companies.
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Limited Warranty & Limitation Of Liability This Fluke product will be free from defects in material and workmanship for 3 years from the date of purchase. This war- ranty does not cover fuses, disposable batteries or damage from accident, neglect, misuse or abnormal conditions of opera- tion or handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf. To obtain service during the warranty period, send your defective tester to the nearest Fluke Authorized Service Cent
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Table of Contents Title Page Safety Information.......................................................................................................... 1 Contacting Fluke....................................................................................................... 1 Getting Started............................................................................................................... 4 Components...................................................................................
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53 & 54 Series II Users Manual Displaying Temperatures........................................................................................... 14 Holding the Displayed Temperatures ........................................................................ 14 Viewing the MIN, MAX, and AVG Readings .............................................................. 14 Using the Offset to Adjust for Probe Errors ............................................................... 15 Using Memory ...........
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53 & 54 Series II Contacting Fluke Safety Information To order accessories, receive assistance, or locate the The Fluke Model 53 and Model 54 Thermometers (“the nearest Fluke distributor or Service Center, call: thermometer”) are microprocessor-based, digital thermometers designed to use external J-, K-, T-, E-, R-, 1-888-99-FLUKE (1-888-993-5853) in USA S-, and N-type thermocouples (temperature probes) as 1-800-36-FLUKE (1-800-363-5853) in Canada temperature sensors. +31-402-678-200 in Europe +
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53 & 54 Series II Users Manual Table 1. Safety Information WWarning A Warning identifies conditions and actions that pose hazards to the user. To avoid electrical shock or personal injury, follow these guidelines: • Before using the thermometer inspect the case. Do not use the thermometer if it appears damaged. Look for cracks or missing plastic. Pay particular attention to the insulation around the connectors. • Disconnect the thermocouple(s) from the thermometer before opening the case. • Repl
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53 & 54 Series II Safety Information Table 1. Safety Information (cont.) WWarning (cont.) • Model 54: Measurement errors may occur if voltages on the measurement surfaces result in potentials greater than 1 V between the two thermocouples. When potential differences are anticipated between the thermocouples, use electrically insulated thermocouples. • When servicing the thermometer, use only specified replacement parts. • Do not use the thermometer with any part of the case or cover removed. Cau
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53 & 54 Series II Users Manual Table 2. International Symbols Refer to the manual for information about this feature. Complies with European Union directives. W P Battery. Complies with relevant Canadian Standards M Association directives. • Figure 1 and Table 3 describe the components. Getting Started • Figure 2 and Table 4 describe the display. Everything in this Users Manual applies both to Models 53 and 54 unless otherwise indicated. • Table 5 describes the functions of the buttons. To becom
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53 & 54 Series II Getting Started Table 3. Components Components xx A Thermocouple T1 input B Model 54: Thermocouple T2 input 3 C Holster 2 D Display 1 4 5 E Buttons F Battery door G Batteries 6 7 aat01f.eps Figure 1. Components 5
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53 & 54 Series II Users Manual Table 4. Display Elements Display Elements xx A The thermocouple measurement includes an 2 3 4 offset. See "Changing Setup Options." 5 6 7 1 B The displayed readings do not change. C A shift function is in progress. 8 D Readings are being logged. E Setup is in progress. 9 F Logged readings are displayed. 12 G Low battery. Replace the batteries. 10 11 H Primary Display. Model 53: T1 reading. aat02f.eps Model 54: T1, T2, or T1-T2 reading. Figure 2. Display Elements I
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53 & 54 Series II Getting Started Buttons Table 5. Buttons A Press A to turn the thermometer on or off. G Press G, M (CANCEL) to stop displaying the minimum, maximum, and average readings in the secondary display. (Shift function) Press G, J (CLEAR MEMORY) to delete logged readings from memory. Press G, r (PC/IR SEND) to toggle the IR port on and off. Q Press Q to turn the backlight on and off. The backlight turns off after 2 minutes without any button presses. If the battery is low, the backlig
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53 & 54 Series II Users Manual Table 5. Buttons (cont.) h Press h to freeze or unfreeze the displayed readings. Press h when turning on the thermometer to test the display. All display elements appear. Model 54: Press T to toggle showing the T1, T2, and T1-T2 (differential temperature measurement) in T the primary or secondary display. D Press D to start or exit Setup. (See "Changing Setup Options.") K Press K to scroll to the Setup option you want to change. Press K to increase the displayed se
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53 & 54 Series II Using the Thermometer Entering and Exiting Setup Using the Thermometer When the thermometer is in Setup mode, the display 1. Plug the thermocouple(s) into the input connector(s). shows s. 2. Press A to turn on the thermometer. • Press D to start or exit Setup. After 1 second the thermometer displays the first reading. Notes If no thermocouple is plugged into the selected input or the thermocouple is "open," the display shows Press K or N to scroll to the setup option you "- - -
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53 & 54 Series II Users Manual 4. If you selected a user-defined logging interval: Changing the Logging Interval The logging interval determines how often the • Press K or N until the display shows thermometer stores logged readings in memory. You hour:min or min:sec, and then press E to choose the length of the logging interval. See "Using select. Memory." The left two digits blink. The thermometer stores logged readings at the end of • Press K or N until the left two digits you want each loggi
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53 & 54 Series II Changing Setup Options Changing the Thermocouple Type Changing the Offset 1. Press K or N until the display shows TYPE. You can adjust the thermometer’s readings to compensate for the errors of a specific thermocouple. See "Using the 2. Press E to display the thermocouple type choices. Offset to Adjust for Probe Errors." The allowable o o adjustment range is ± 5.0 C or K, and ± 9.0 F. The currently selected thermocouple blinks. Model 54: You can store individual offsets for T1
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53 & 54 Series II Users Manual Enabling or Disabling Sleep Mode Setting the Time The thermometer enters sleep mode if no button press 1. Press K or N until the display shows the time if it occurs for 20 minutes. is set or shows "- - : - -." Pressing any button wakes the thermometer and returns it 2. Press E to indicate you want to set the time. to its previous state. The left two digits blink. 1. Press K or N until the display shows SLP. 3. Press K or N until the display shows the correct 2. Pre
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53 & 54 Series II Measuring Temperatures Changing the Line Frequency Measuring Temperatures For optimum rejection of line noise, set the thermometer Connecting a Thermocouple for the local line frequency as follows: Thermocouples are color coded by type based on the 1. Press K or N until the display shows Li ne. North American ANSI Color Code: 2. Press E to indicate that you want to change the Type Color Type Color line setting. J Black R Green 3. Press K or N as needed until the display shows K
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53 & 54 Series II Users Manual Displaying Temperatures Holding the Displayed Temperatures 1. Press C to select the correct temperature scale. 1. Press h to freeze the readings on the display. 2. Hold or attach the thermocouple(s) to the The display shows H. measurement location. 2. Model 54: Press T to toggle showing the T1, T2, or The temperature reading appears in the selected T1-T2 readings in the primary or secondary display. display. 3. Press h again to turn off the HOLD function. 3. Model
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53 & 54 Series II Using Memory Using the Offset to Adjust for Probe Errors Using Memory Use the offset option in Setup to adjust the thermometer’s During a logging session the thermometer stores logged readings to compensate for the errors of a specific readings in its memory. thermocouple. At the end of the logging session you can view the logged 1. Plug the thermocouple into the input connector. readings on the display. 2. Place the thermocouple in a known, stable You can also transfer the log
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53 & 54 Series II Users Manual Initial Conditions and Data Entries Starting and Stopping Logging Logged readings include initial conditions and data entries. Setup, memory clear, and PC communications are inaccessible during logging. The initial conditions are the thermocouple type and the offsets for each thermocouple input. You can only view 1. Set the logging interval. (See “Changing Setup initial conditions using FlukeView Forms. Options.”) The data entries are a time stamp, the T1 reading,
