Fluke Series II User Manual
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51 & 52 Series II
Thermometer
Users Manual
MyFlukeStore
1.800.561.8187
www.
.ca
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Summary of Contents for Fluke Series II

  • Page 1 ® 51 & 52 Series II Thermometer Users Manual MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:...
  • Page 2 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.
  • Page 3: Table Of Contents

    Connecting a Thermocouple..................11 Displaying Temperatures................... 11 Holding the Displayed Readings................12 Viewing the MIN, MAX, and AVG Readings .............. 12 Using the Offset to Adjust for Probe Errors ..............12 MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:...
  • Page 4 51 & 52 Series II Users Manual Maintenance ........................1 3 Replacing the Batteries ..................... 13 Cleaning the Case and Holster ................. 13 Calibration......................... 13 Specifications......................... 13 Environmental ......................13 General ........................14 80 PK-1 Thermocouple (supplied with thermometer) ..........14 Electrical ........................
  • Page 5: Introduction

    51 & 52 Series II Introduction The Fluke Model 51 and Model 52 Thermometers (“the thermometer”) are microprocessor-based, digital thermometers designed to use external J-, K-, T-, and E- type thermocouples (temperature probes) as temperature sensors. Use the thermometer only as specified in this manual.
  • Page 6 51 & 52 Series II 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.
  • Page 7 51 & 52 Series II Introduction Table 1. Safety Information (cont.) W Warning (cont.) • Model 52: 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.
  • Page 8: Getting Started

    51 & 52 Series II Users Manual Table 2. International Symbols Refer to the manual for information about this Complies with European Union directives. feature. Battery. Complies with relevant Canadian Standards Association directives. • Getting Started Figure 1 and Table 3 describe the components.
  • Page 9: Components

    51 & 52 Series II Getting Started Components Table 3. Components  Thermocouple T1 input  Model 52: Thermocouple T2 input  Holster  Display  Buttons  Battery door  Batteries aas01f.eps Figure 1. Components MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:...
  • Page 10: Display Elements

    51 & 52 Series II Users Manual Display Elements Table 4. Display Elements  The thermocouple measurement includes an offset. See "Changing Setup Options." The displayed readings do not change.  A shift function is in progress.  Setup is in progress.
  • Page 11: Buttons

    51 & 52 Series II 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) ...
  • Page 12 51 & 52 Series II Users Manual Table 5. Buttons (cont.)  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 displayed setting.
  • Page 13: Using The Thermometer

    51 & 52 Series II Using the Thermometer Entering or Exiting Setup Using the Thermometer When the thermometer is in Setup mode, the display Plug the thermocouple(s) into the input connector(s). shows . Press  to turn on the thermometer.
  • Page 14: Changing A Setup Option

    51 & 52 Series II Users Manual Changing a Setup Option Sleep mode: The thermometer enters sleep mode if no button Press   to scroll to the setup option you press occurs for 20 minutes. Pressing any button want to change.
  • Page 15: Measuring Temperatures

    51 & 52 Series II Measuring Temperatures Measuring Temperatures Notes The display shows "- - - -" when a thermocouple Connecting a Thermocouple is not connected. To change the thermocouple type, see “Changing Setup The display shows  (overload) when the Options.”...
  • Page 16: Holding The Displayed Readings

    51 & 52 Series II Users Manual Holding the Displayed Readings Using the Offset to Adjust for Probe Errors Press  to freeze the readings on the display. Use the offset option in Setup to adjust the thermometer's The display shows .
  • Page 17: Maintenance

    Refer to the safety information in Table 1 before replacing thermometer annually, starting one year after purchase. the batteries. To calibrate the thermometer, contact Fluke for the Turn off the thermometer if necessary. Service Center nearest you or follow the calibration procedure in the service manual listed in "Replacement...
  • Page 18: General

    51 & 52 Series II Users Manual General 80 PK-1 Thermocouple (supplied with thermometer) Weight 280 g (10 oz) Type Type K, Chromel Alumel, bead style 2.8 cm × 7.8 cm × 16.2 cm Dimensions (1.1 in × 3 in × 6.4 in) (without −40...
  • Page 19: Replacement Parts And Accessories

    51 & 52 Series II Replacement Parts and Accessories Electrical (cont.) Applicable NIST-175 Standards Measurement J-, K-, T-, and E-type: ±[0.05 % of Accuracy is specified for ambient temperatures between 18 Accuracy, T1, T2, reading + 0.3 C (0.5 F) and 28 C (82 F) for a period of 1 year.

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