Page 2 - Limited Warranty & Limitation of Liability
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 ha...
Page 3 - Table of Contents; Title
i Table of Contents Title Page Introduction.................................................................................................................... 1 Contacting Fluke....................................................................................................... 1 Getting Started ...
Page 4 - Users Manual; ii
51 & 52 Series II Users Manual ii Maintenance .................................................................................................................. 13 Replacing the Batteries ............................................................................................. 13Cleaning the...
Page 5 - Introduction; Contacting Fluke; Address correspondence to:
1 51 & 52 Series II Introduction The Fluke Model 51 and Model 52 Thermometers (“thethermometer”) are microprocessor-based, digitalthermometers designed to use external J-, K-, T-, and E-type thermocouples (temperature probes) as temperaturesensors. Use the thermometer only as specified in this m...
Page 6 - Table 1. Safety Information; Warning; Replace the batteries as soon as the battery indicator (
51 & 52 Series IIUsers Manual 2 Table 1. Safety Information W Warning A Warning identifies conditions and actions that pose hazards to the user. To avoid electrical shock orpersonal injury, follow these guidelines: • Before using the thermometer inspect the case. Do not use the thermometer if it...
Page 7 - Caution
51 & 52 Series II Introduction 3 Table 1. Safety Information (cont.) W Warning (cont.) • Model 52: Measurement errors may occur if voltages on the measurement surfaces result in potentialsgreater than 1 V between the two thermocouples. When potential differences are anticipated between thethermo...
Page 8 - Table 2. International Symbols; Getting Started
51 & 52 Series IIUsers Manual 4 Table 2. International Symbols W Refer to the manual for information about thisfeature. P Complies with European Union directives. M Battery. Complies with relevant Canadian StandardsAssociation directives. Getting Started Everything in this Users Manual applies b...
Page 9 - Components
51 & 52 Series II Getting Started 5 Components 3 4 5 1 2 6 7 aas01f.eps Figure 1. Components Table 3. Components A Thermocouple T1 input B Model 52: Thermocouple T2 input C Holster D Display E Buttons F Battery door G Batteries
Page 10 - Display Elements; Figure 2. Display Elements; The displayed readings do not change.
51 & 52 Series IIUsers Manual 6 Display Elements 2 3 4 5 6 7 8 9 10 1 aas02f.eps Figure 2. Display Elements Table 4. Display Elements A The thermocouple measurement includes anoffset. See "Changing Setup Options." B The displayed readings do not change. C A shift function is in progress....
Page 11 - Buttons
51 & 52 Series II Getting Started 7 Buttons Table 5. Buttons A Press A to turn the thermometer on or off. G (Shift function) Press G , M (CANCEL) to stop displaying the minimum, maximum, and average readings in the secondary display. Q Press Q to turn the backlight on and off. The backlight turn...
Page 13 - Entering or Exiting Setup; Option; SLP
51 & 52 Series II Using the Thermometer 9 Using the Thermometer 1. Plug the thermocouple(s) into the input connector(s). 2. Press A to turn on the thermometer. After 1 second the thermometer displays the first reading.If no thermocouple is plugged into the selected input or thethermocouple is ...
Page 14 - Changing a Setup Option
51 & 52 Series IIUsers Manual 10 Changing a Setup Option 1. Press K or N to scroll to the setup option you want to change. 2. Press E to indicate that you want to change this setting. 3. Press K or N until the setting you want to use appears on the display. 4. Press E to store the new setting in...
Page 15 - Measuring Temperatures; Connecting a Thermocouple; Type; Displaying Temperatures
51 & 52 Series II Measuring Temperatures 11 Measuring Temperatures Connecting a Thermocouple To change the thermocouple type, see “Changing SetupOptions.” The North American ANSI Color Code is: Type J K E T N Color Black Yellow Purple Blue Orange 1. Plug a thermocouple into the input connector(s...
Page 16 - Holding the Displayed Readings
51 & 52 Series IIUsers Manual 12 Holding the Displayed Readings 1. Press h to freeze the readings on the display. The display shows H . 2. Model 52: Press T to toggle showing the T1, T2, or T1-T2 readings in the primary or secondary display. 3. Press h again to turn off the HOLD function. Viewin...
Page 17 - Maintenance; Replacing the Batteries; Specifications; Environmental; Storage Temperature
51 & 52 Series II Maintenance 13 Maintenance Replacing the Batteries Refer to the safety information in Table 1 before replacingthe batteries. 1. Turn off the thermometer if necessary. 2. Loosen the screw and remove the battery door. 3. Replace the three AA batteries. 4. Replace the battery door...
Page 18 - General; AA batteries; Electrical
51 & 52 Series IIUsers Manual 14 General Weight 280 g (10 oz) Dimensions(withoutholster) 2.8 cm × 7.8 cm × 16.2 cm (1.1 in × 3 in × 6.4 in) Battery 3 AA batteries Certification P , ) (TÜV pending) Safety CSA C22.2 No. 1010.1 1992EN 61010 Amendments 1, 2 CAT I OVERVOLTAGE (Installation)CATEGORY I...
Page 19 - Replacement Parts and Accessories; Accessory
51 & 52 Series II Replacement Parts and Accessories 15 Electrical (cont.) MeasurementAccuracy, T1,T2, or T1-T2(Model 52) J-, K-, T-, and E-type: ± [0.05 % of reading + 0.3 o C (0.5 o F)] [below − 100 o C ( − 148 o F): add 0.15 % of reading for J-, K-, E-, and N-type; and0.45 % of reading for T-t...