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PM2454
Philips PM2454 Manuals
Manuals and User Guides for Philips PM2454. We have
1
Philips PM2454 manual available for free PDF download: Manual
Philips PM2454 Manual (41 pages)
AC-Millivoltmeter
Brand:
Philips
| Category:
Multimeter
| Size: 1.66 MB
Table of Contents
Contents
3
General
6
Introduction
6
Technical Data
7
Electrical
7
Block Diagram
9
Directions for Use
10
Installation
10
Adjusting to the Local Mains Voltage
10
Earthing
10
Front View
11
Operation
12
Mechanical Zero Setting
12
Switching on
12
Connecting the Circuit under Test
12
Selective Voltage Measurements
13
Service Data
14
Circuit Description
14
Voltages Ranges
14
Impedance Matching Stage
15
Pre-Amplifier
15
Connecting Octave Filter
19
Buffer Stage and A.C. Output
20
Meter Circuit
20
Connecting an External Filter
20
Power Supply
21
Voltage Stabilization
21
Stabilization
24
Gaining Access to the Parts
25
Removing the Cabinet
25
Printed Circuit Board
25
Range Selector Unit U4
25
Textplate
26
Pilot Lamp LA1
26
Maintenance
27
Checking and Adjusting
28
Connection of the Measuring Instrument
28
Adjustment at High Frequencies
29
List of Parts
30
Mechanical
30
Right-Hand View
32
Left-Hand View
32
Bottom View
33
Top View
33
Wire-Wound Resistor
34
Capacitors
35
Resistors
35
Semi-Conductors
36
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