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1417
IET Labs 1417 Manuals
Manuals and User Guides for IET Labs 1417. We have
2
IET Labs 1417 manuals available for free PDF download: User And Service Manual, Instruction Manual
IET Labs 1417 User And Service Manual (33 pages)
FOUR-TERMINAL CAPACITANCE STANDARD
Brand:
IET Labs
| Category:
Measuring Instruments
| Size: 2 MB
Table of Contents
Table of Contents
5
Chapter 1
9
Purpose
9
Description
9
Figure 1-1. GR 1417 Standard
9
Controls and Connections
10
Chapter 2
11
General
11
Connections to Instruments
11
Four-Terminal Connections
11
Terminal Impedances
11
Connecting Leads
11
Mutual Inductance in Leads
11
Accuracy
12
Accuracy of the 1417
12
Required Accuracy
12
Direct-Reading Measurements
13
Calibration Corrections for Better Accuracy
13
The 1 Μf Calibration
13
Figure 2-2. Changes in Capacitance Vs Voltage at VOLTMETER Terminals
13
Figure 2-1. Methods of Connection to Binding-Post Terminals
13
Approximate Level Corrections
14
The Capacitance Vs Level Corrections
15
Precautions
15
Magnetization of the Divider Core
15
Maximum Input Voltage
15
Use of an External Standard
16
Figure 2-3. Connection Diagram for 1417 Calibration Checks
16
Applicaton of Other Frequencies
17
Two-Terminal Measurements
17
Section 3
18
Use with 1617 Bridge
18
Use with 1657 Digibridge
19
Use with 1683 Bridge
19
With 1685/1686 Instruments
19
With 2230 Systems
20
Use with IET Digibridges
21
General
21
Connections
21
Zeroing and Minimizing Mutual Inductance
22
Use with the IET 1657 or 1658 Digibridges
22
Use with the IET 1659 and 1692 Digibridges
22
Chapter 4
25
General
25
Basic Circuit
25
Errors in Eff Ective 4-Terminal Capacitance
25
Figure 4-1. Basic Circuit Diagram
25
Terminal Impedances
26
Figure 4-2. General Equivalent Circuit
26
Figure 4-3. Equivalent Circuits for Mutual Inductance Errors
26
Dissipation Factor
27
Figure 4-4. Actual Equivalent Circuit
27
Chapter 5
29
GR/IET Field Service
29
Instrument Return
29
Calibration Procedure
29
Figure 5-1. Internal View (Transformer Shields Removed)
29
Determination of Other Parameters
30
Divider Ratios
30
Terminal Impedances
30
Divider Inductance
30
Service
30
Demagnetization of Divider Cores
30
Knob Removal
30
Knob Installation
31
Figure 5-2. TEST FREQUENCY Switch (S2) Details Showing Padding Capacitors
33
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IET Labs 1417 Instruction Manual (28 pages)
Four-Terminal Capacitance Standard
Brand:
IET Labs
| Category:
Touch terminals
| Size: 6 MB
Table of Contents
Warranty
3
Specifications
7
Introduction Section
8
Operation Section
9
Test Frequency
13
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