Equipment information

Hickok Electrical Instrument Company 203PR Analog multimeter
Manufacturer:
Model:
203PR
Date:
1947
Category:
Group:
Description:
Volt Ohm Capacity Milliammeter

Information

The Hickok Electronic Volt-Ohm-Capacity-Mllliammeter, Model 203PR, is a compact universal test Instrument which may be used in making measurements in the study of radio and electrical circuits. It is a versatile Instrument as the measurement of wide ranges of d.c. currents, a.c. and d.c. voltages, resistances, capacitances and inductances may all be made by the one unit. Built under Hickok high standards of workmanship, It is an accurate and durable test Instrument.

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Service Manual, cirquit diagram only
Manual Type:
Service Manual, cirquit diagram only
Pages:
21
Size:
2.28 Mbytes (2389983 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
1947 11 24
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2013 01 07
MD5:
ab22272f0bce28dd36d981659ca17cdb
Downloads:
1125

Information

SECTION 1 - DESCRIPTION 1.1 Purpose 3 1.2 Description 3 a. Physical 3 b. Components 3 c. Functional 3 d. Electrical 3 SECTION 2 - THEORY 2.1 General 4 2.2 Bridge Circuit 4 2.3 A.C. Voltmeter 4 2.4 D.C. Voltmeter 4 2.5 Ohmmeter ... 5 2.6 Capacity and Inductance Measurements 5 a. Capacity b. Inductance SECTION 3 - OPERATION 3.1 General 5 3.2 A.C. Voltage Measurements 5 3.3 D.C. Voltage Measurements 6 3.4 Current Measurements 6 3.5 Resistance Measurements 6 3.6 Capacitance Measurements 6 3.7 Inductance Measurements 7 3.8 Decibel Measurements 7 SECTION 4 - APPLICATION 4.1 General 9 4.2 D.C. Voltmeter 9 a. Input Impedance 9 b. RF-IF Circuits 9 c. Oscillation Check 9 d. Discriminator Circuit Alignment 9 4.3 A.C. Voltmeter 9 4.4 Ohmmater 10 4.5 Capacity Measurements 10 SECTION 5 - MAINTENANCE 5.1 General 10 5.2 Vacuum Tubes 10 5.3 Dry Cells 10 5.4 Capacity and Resistance Measurements 10 SECTION 6 - PARTS LIST Par La LI at for Model 203-S0Î3PR 15 & 16

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