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53IIB/54IIB
Thermometer
Users Manual
January 2011
© 2011 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
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LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf. To obtain service during the warranty period, contact your nearest Fluke authori
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Table of Contents Title Page Safety Information.......................................................................................................... 1 Contacting Fluke........................................................................................................ 1 Getting Started ............................................................................................................... 4 Components.........................................................................
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53IIB/54IIB Users Manual Measuring Temperatures............................................................................................... 13 Connecting a Thermocouple..................................................................................... 13 Displaying Temperatures.......................................................................................... 14 Holding the Displayed Temperatures........................................................................ 14 Viewing
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53IIB/54IIB Contacting Fluke Safety Information To order accessories, receive assistance, or locate the The Fluke 53IIB and 54IIB 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 Europ
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53IIB/54IIB Users Manual Table 1. Safety Information W Warning 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. •
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53IIB/54IIB Safety Information Table 1. Safety Information (cont.) W Warning (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 remove
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53IIB/54IIB 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.
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53IIB/54IIB Getting Started Table 3. Components Components Thermocouple T1 input Model 54: Thermocouple T2 input 3 Holster 2 Display 1 4 5 Buttons Battery door Batteries 6 7 aat01f.eps Figure 1. Components 5
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53IIB/54IIB Users Manual Table 4. Display Elements Display Elements The thermocouple measurement includes an 2 3 4 5 6 offset. See "Changing Setup Options." 7 1 The displayed readings do not change. A shift function is in progress. 8 Readings are being logged. Setup is in progress. 9 12 Logged readings are displayed. 10 Low battery. Replace the batteries. 11 Primary Display. Model 53: T1 reading. aat02f.eps Figure 2. Display Elements Model 54 T1, T2, or T1-T2 re
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53IIB/54IIB Getting Started Buttons Table 5. Buttons Press to turn the thermometer on or off. Press , (CANCEL) to stop displaying the minimum, maximum, and average readings in the secondary display. (Shift function) Press , (CLEAR MEMORY) to delete logged readings from memory. Press , (PC/IR SEND) to toggle the IR port on and off. Press to turn the backlight on and off. The backlight turns off after 2 minutes without any button presses. If the battery is low,
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53IIB/54IIB Users Manual Table 5. Buttons (cont.) Press to freeze or unfreeze the displayed readings. Press when turning on the thermometer to test the display. All display elements appear. Model 54: Press to toggle showing the T1, T2, and T1-T2 (differential temperature measurement) in the primary or secondary display. Press to start or exit Setup. (See "Changing Setup Options.") Press to scroll to the Setup option you want to change. Press to increase the displa
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53IIB/54IIB 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 . 2. Press to turn on the thermometer. • Press 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 or to scroll to the setup option
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53IIB/54IIB Users Manual 4. If you selected a user-defined logging interval: Changing the Logging Interval The logging interval determines how often the • Press or until the display shows thermometer stores logged readings in memory. You hour:min or min:sec, and then press 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 or until the left two digits you want ea
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53IIB/54IIB Changing Setup Options Changing the Thermocouple Type Changing the Offset 1. Press or 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 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
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53IIB/54IIB Users Manual Enabling or Disabling Sleep Mode Setting the Time The thermometer enters sleep mode if no button press 1. Press or 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 to indicate you want to set the time. to its previous state. The left two digits blink. 1. Press or until the display shows . 3. Press or until the display shows the correct 2.
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53IIB/54IIB 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 or until the display shows . North American ANSI Color Code: 2. Press to indicate that you want to change the line Type Color Type Color setting. J Black R Green 3. Press or as needed until the displ
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53IIB/54IIB Users Manual Displaying Temperatures Holding the Displayed Temperatures 1. Press to select the correct temperature scale. 1. Press to freeze the readings on the display. 2. Hold or attach the thermocouple(s) to the The display shows . measurement location. 2. Model 54: Press 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 again to turn off the HOLD function. 3. Mo
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53IIB/54IIB 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 transf
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53IIB/54IIB 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
