Fluke 52 Thermometer
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Model:
52
Datum:
1995
Categorie:
Groep:
Omschrijving:
K/J Thermometer
Informatie
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)
Handleidingen type:
Servicehandboek
Pagina’s:
40
Grootte:
3.60 Mbytes (3779412 Bytes)
Taal:
english
Herziening:
Handleidingen-ID:
768234
Datum:
1995 06 01
Kwaliteit:
Gescand document alle leesbaar.
Upload datum:
2018 01 12
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Informatie
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.