Fluke 52 Thermometer
Manufacturer:
Model:
52
Date:
1995
Category:
Group:
Description:
K/J Thermometer
Information
FUNCTIONAL OVERVIEW The Fluke 51 and 52 K/J Thermometers take nonlinear voltages from thermocouples and convert the voltages to meaningful temperature readings. These thermometers are actually microvoltmeters with additional features to compensate forthe reference junction and non-linearities of thermocouples. The heart of these instruments is an analog-to-digital Converter (a/d converter) that develops a numerical representation of an analog voltage. The a/d Converter (UI) works in the range of -10 mV to +55 mV. For the Fluke 52, three signals must be measured: thermocouple I, thermocouple 2, and the signal that represents the temperature of the reference junctions. To measure the three signals, the a/d Converter is connected to each of these signals one at a time. A microcomputer (U2) coordinates the switching and a/d activity performed by U1. U2 also interprets the numbers sent by the a/d Converter, including reference junction compensation, linearization, and degrees Celsius and Fahrenheit conversion. U2 also monitors the instrument control buttons and drives the liquid crystal display (LCD)

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Service Manual
Manual type:
Service Manual
Pages:
40
Size:
3.60 Mbytes (3779412 Bytes)
Language:
english
Revision:
Manual ID:
768234
Date:
01 June 1995
Quality:
Scanned document, all readable.
Upload date:
12 January 2018
MD5:
80f9f6984a7a08a7036adf4221e70582
Downloads:
381
Information
This manual presents service information for the Fluke 51 and 52 K/J Thermometers. Included are a theory of operation, general maintenance procedures, performance tests, calibration procedures, troubleshooting information, a list of replacement parts, and schematic diagrams.

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