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FE 51 & 52 II Users Manual - Page 1
Users Manual
Printed in USA All product names are trademarks of their respective companies. ®
51 & 52 Series II Thermometer
English September 1999 Rev.1, 6/01
© 1999-2001 Fluke Corporation, All rights reserved.
FE 51 & 52 II Users Manual - Page 2
.... Box 9090 Everett WA 98206-9090 To register your defective tester to the nearest Fluke Authorized Service Center with a description of the problem. Resellers are not authorized to you. FLUKE IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. THIS WARRANTY IS YOUR ONLY...
FE 51 & 52 II Users Manual - Page 5
... other countries
Address correspondence to safety information in Table 1 and meter symbols in this manual. Use the thermometer only as temperature sensors. Otherwise, the protection provided by the meter may be impaired. 51 & 52 Series II
Introduction
The Fluke Model 51 and Model 52 Thermometers ("the thermometer") are microprocessor-based, digital thermometers designed to use external...
FE 51 & 52 II Users Manual - Page 6
...the
thermometer serviced. • Do not operate the thermometer around the connectors. • Disconnect the thermocouple(s) from the thermometer before opening the case.
• Replace the ...batteries as soon as marked on the thermometer, between the thermocouple(s), or
between any thermocouple and earth ground.
2 Look
for cracks or missing plastic. 51 & 52 Series II Users Manual...
FE 51 & 52 II Users Manual - Page 7
... in potentials greater than 1 V between the thermocouples, use electrically insulated thermocouples.
• When servicing the thermometer, use only specified replacement parts. • Do not use the thermometer with the battery case.
3
Safety Information (cont.)
WWarning (cont.)
• Model 52: Measurement errors may damage the meter or the equipment under test.
• Use the proper...
FE 51 & 52 II Users Manual - Page 8
International Symbols
W M
Refer to Models 51 and 52 unless otherwise indicated.
To become familiar with European Union directives.
Getting Started
Everything in this Users Manual applies both to the manual for information about this feature.
51 & 52 Series II Users Manual
Table 2.
P Complies with the thermometer, study the following sections.
4 Complies with relevant Canadian ...
FE 51 & 52 II Users Manual - Page 10
... 51: T1 reading. Display Elements
A The thermocouple measurement includes an offset. D Setup is in progress. Replace the batteries. Model 52: T1, T2, or T1-T2 reading. Display Elements
xx
5
6 7 8
aas02f.eps
Table 4. See "Changing Setup Options." 51 & 52 Series II Users Manual
Display Elements
23
4
1
10 9 Figure 2. B The displayed readings do not change. F Primary Display. G The...
FE 51 & 52 II Users Manual - Page 12
Press N to increase the displayed setting. Press K to decrease the displayed setting. Press E again to change . 51 & 52 Series II Users Manual
D K
N
E
Table 5. Press N to scroll to the Setup option you want to store the displayed setting in memory.
8 Press E to change . Buttons (cont.)
Press D to start or exit Setup. (See "Changing Setup Options.") Press K to scroll to the...
FE 51 & 52 II Users Manual - Page 13
... off)
Line Frequency Li ne
50 H (50 Hz) or 60 H (60 Hz)
9 Using the Thermometer
1.
If no thermocouple is plugged into the input connector(s).
2. Setup Options
Option
Menu Item
Settings
Thermocouple Type
TYPE
J, K, T, or E
Offset
O
T1 or T2 (Model 52)
Sleep Mode
SLP
on (sleep mode on the thermometer. Press A to start or exit...
FE 51 & 52 II Users Manual - Page 14
... and returns it is disabled in MIN MAX mode.
Model 52: You can store individual offsets for T1 and T2. Sleep mode becomes enabled each time you want to 0.0 when it to store the new setting in MIN MAX mode. 51 & 52 Series II Users Manual
Changing a Setup Option
1. Press K or N to scroll to change the...
FE 51 & 52 II Users Manual - Page 15
Set the thermometer for the correct thermocouple type. The temperature reading appears in the primary display.
11 Model 52: Press to toggle between showing the
T1, T2, and T1-T2 readings in the primary or secondary display.
51 & 52...ANSI Color Code is correct.)
2. Measuring Temperatures
Connecting a Thermocouple
To change the thermocouple type, see "Changing Setup Options." Model 52: If ...
FE 51 & 52 II Users Manual - Page 16
... since entering MIN MAX mode, or the time at which the minimum or maximum occurred, appears on the display. 51 & 52 Series II Users Manual
Holding the Displayed Readings 1. Press M to compensate for Probe Errors
Use the offset option in a known, stable temperature environment (such as an ice bath or a dry well calibrator).
3.
FE 51 & 52 II Users Manual - Page 17
... commercial cleaner. Wipe with a damp sponge or soft rag.
51 & 52 Series II Maintenance
Calibration
To ensure that the thermometer performs to its accuracy specifications, Fluke recommends that you or follow the calibration procedure in the service manual listed in Table 1 before replacing the batteries. 1. Specifications
Environmental
Operating −10 oC to 50 oC Temperature (14 oF...
FE 51 & 52 II Users Manual - Page 18
.../ oF / K ≥ 1000o
14 51 & 52 Series II Users Manual
General
Weight
280 g (10 oz)
Dimensions (without holster...)
2.8 cm × 7.8 cm × 16.2 cm (1.1 in × 3 in × 6.4 in)
Battery Certification
3 AA batteries
P, ) s
Safety
CSA C22.2 No. 1010.1 1992 EN 61010 Amendments 1, 2
CAT I
OVERVOLTAGE (Installation...
FE 51 & 52 II Users Manual - Page 19
...specifications do not include
thermocouple error.
51 & 52 Series II Replacement Parts and Accessories
Replacement Parts and Accessories
Accessory
Part Number
Holster and Flex Stand™ Assembly
1272438
AA NEDA 15A IEC LR6 batteries
376756
80PK-1 K-Type Bead Thermocouple
773135
CD-ROM
1276106
Service Manual..., or T1-T2 (Model 52) Temperature Coefficient
Electromagnetic Compatibility...
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