Electro Scientific Industries 250DE Analoge multimeter
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Model:
250DE
Datum:
1967
Categorie:
Groep:
Omschrijving:
Impedance Bridge
Informatie
The esi Model 250DE Impedance Bridge is an instrument that
measures resistance, inductance, capacitance, and the
dissipation factor (D) and the storage factor (Q) of
inductors and capacitors.
The instrument is battery operated and completely portable.
An internal Generator supplies ac and dc, and an internal
solid-state ac-dc detector indicates bridge balance
Handleidingen type:
Service-en gebruikershandleiding
Pagina’s:
56
Grootte:
9.50 Mbytes (9958791 Bytes)
Taal:
english
Herziening:
revised
Handleidingen-ID:
13202
Datum:
Kwaliteit:
Gescande document, lezen deels slecht, deels niet leesbaar.
Upload datum:
2015 05 11
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Downloads:
926
Informatie
!. INTRODUCTION 1-1
1.1 DESCRIPTION 1-1
1.2 SPECIFICATIONS 1-2
II. OPERATION
2.1 CONTROLS 2-1
2.2 CONNECTIONS 2-2
2.3 BASIC OPERATION 2-2
III. RESISTANCE MEASUREMENT
3.1 DC RESISTANCE MEASUREMENT 3-1
3.2 AC RESISTANCE MEASUREMENT 3-3
3.3 NOTES ON RESISTANCE MEASUREMENT 3-5
3.3.1 Low Resistance 3-5
3.3.2 High Resistance 3-5
IV. CAPACITANCE MEASUREMENT
4.1 NORMAL CAPACITANCE MEASUREMENT 4-1
4.2 CAPACITANCE MEASUREMENT WITH EXTENDtD D RANGE 4-3
4.3 CAPACITANCE MEASUREMENT USING DC BIAS 4-5
4.3.1 DC Bias Supply 4-5
4.3.2 Operating Procedure 4-6
4.4 VOLTAGE ACROSS UNKNOWN CAPACITOR 4-8
4.5 NOTES ON CAPACITANCE MEASUREMENT 4-9
4.5.1 Series and Parallel Capacitance 4-9
4.5.2 Low Capacitance Measurements 4-9
4.5.3 High Capacitance Measurements 4-10
V. INDUCTION MEASUREMENT
5.1 NORMAL INDUCTANCE MEASUREMENTS 5-2
5.2 INDUCTANCE MEASUREMENT WITH EXTENDED Q RANGE 5-3
5.2.1 Preliminary Procedure 5-3
5.2.2 Parallel Inductance 5-3
5.2.3 Series Inductance 5-4
5.3 INDUCTANCE MEASUREMENT USING DC 5-6
5.3.1 DC Supply 5-6
5.3.2 Operating Procedure 5-6
5.4 VOLTAGE AND CURRENT IN UNKNOWN INDUCTOR 5-9
5.4.1 Voltage 5-9
5.4.2 Current 5-10
5.5 NOTES ON INDUCTANCE MEASUREMENT 5-11
5.5.1 Series and Parallel Inductance 5-11
5.5.2 Low-lnductance Measurements 5-12
5.5.3 High-lnductance Measurements 5-12
IV. USEFUL MEASUREMENT TECHNIQUES
6.1 EXTERNAL DETECTOR 6-1
6.2 EXTERNAL DC Generator 6-2
6.3 EXTERNAL AC Generator 6-3
6.4 OPERATION AT FREQUENCIES OTHER THAN ONE KILOHERTZ
6.4.1 D and Q Corrections
6.4.2 Accuracy
6.5 SLIDING BALANCE
6.6 EXTEND LEADS WITH AC MEASUREMENTS
VII. REPLACEMENT PARTS