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1240
Weston 1240 Manuals
Manuals and User Guides for Weston 1240. We have
1
Weston 1240 manual available for free PDF download: Instructions-Parts List Manual
Weston 1240 Instructions-Parts List Manual (64 pages)
Brand:
Weston
| Category:
Multimeter
| Size: 2 MB
Table of Contents
Table of Contents
5
General Information
7
Carrying Handles
9
Tilt-Stand Operation
9
Battery Pack Option
12
Power Requirements
12
Input Overload Protection
14
Rear Panel Description
15
Ohms Measurement
17
Ac Current Measurement
19
Ac Voltage Measurement
20
Theory of Operation
21
Detailed Circuit Description
21
Theory
21
Dual Slope A/D Conversion
22
DC Voltmeter Logic Section
22
Polarity Display Au, "Dıde
24
Reference Current Control
24
Readout Command
24
The Non-Inverting Integrator
26
Offset Adjustment
26
Input Attenuation
28
Reference Current Circuits
29
Performance Check
37
DC Voltage Accuracy Check
37
Resistance Accuracy Check
38
DC Current Accuracy Check
39
Ac Voltage Accuracy Check
40
Ac Current Accuracy Check
41
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