IET Labs HACS-Z-A-6E-1pF User And Service Manual
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IET Labs HACS-Z-A-6E-1pF User And Service Manual

Decade capacitance system
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PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT
HACS-Z-A-6E-1pF
Decade Capacitance System
User and Service Manual
Copyright 2017 IET Labs, Inc.
Visit www.ietlabs.com for manual revision updates
HACS-Z-A-6E-1pF / March 2017
IET LABS, INC.
www.ietlabs.com
TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988

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Summary of Contents for IET Labs HACS-Z-A-6E-1pF

  • Page 1  PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT HACS-Z-A-6E-1pF Decade Capacitance System User and Service Manual Copyright 2017 IET Labs, Inc. Visit www.ietlabs.com for manual revision updates HACS-Z-A-6E-1pF / March 2017 IET LABS, INC. www.ietlabs.com TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988...
  • Page 2   PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT IET LABS, INC. www.ietlabs.com TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988...

  • Page 3: Table Of Contents

    Figure 1-2: Capacitance Shunted by Leakage to case .......2 Figure 1-3: HACS-Z Construction ...............2 Table 2-1: Specifi cations ................3 Figure 2-1: Double Shielded Construction ..........3 HACS-Z-A-6E-1pF ....4 Figure 2-2: Typical Operating Guide Affi xed to Table 4-1: Capacitor type ................7 Figure 4-1: Screws holding the rear panel ..........8 Figure 4-2: Calibration access holes ............8...
  • Page 4 HACS-Z-6E-1pF This page is intentionally left blank Table of Contents...

  • Page 5: Chapter 1 Introduction

    100 pF - 0.1 μF decades 1.1 General Description These mid-range decades are implemented with The HACS-Z-A-6E-1pF Decade Capacitance System is the highest grade, mechanically stabilized, sealed capable of meeting exacting requirements for fi xed or India ruby mica capacitors selected for optimum adjustable calibration capacitance or any applications electrical characteristics and low dissipation.

  • Page 6: Double Shielded Construction

    HACS-Z-A-6E-1pF 1.3 Double Shielded Construction In order to meet the low residual capacitance require- ment, the unit utilizes: • Specially shielded and routed wiring • The switching scheme described above and shown in Figure 1-2 • A double-shielded construction to keep the...

  • Page 7: Double Shielded Construction

    HACS-Z-A-6E-1pF Chapter 2 SPECIFICATIONS For convenience to the user, the pertinent specifi cations are given in an Operating Guide, similar to the one shown in Figure 2-2, which is affi xed to the case of the instrument. SPECIFICATIONS Capacitance Total decade...

  • Page 8: Chapter 2 Specifi Cations

    HACS-Z-A-6E-1pF Specifi cations...

  • Page 9: Chapter 3 Operation

    HACS-Z-A-6E-1pF Chapter 3 OPERATION 3.1 Initial Inspection and Setup 3.3 Connection to Terminals This instrument was carefully inspected before ship- In order to properly use the HACS-Z capacitor, it is ment. It should be in proper electrical and mechanical necessary to understand the use and function of each order upon receipt.

  • Page 10: Chapter 4 Maintenance

    There out by the user if a calibration capability is available, should be no temperature gradients across the unit by IET Labs, or by a certifi ed calibration laboratory. under test. If the user should choose to perform this procedure, BNC test terminals should be used to obtain accurate then the considerations below should be observed.

  • Page 11: Calibration Procedure

    HACS-Z-A-6E-1pF 4.4 Calibration Procedure 4.5 Capacitance Adjustment To calibrate the unit, proceed as follows: The various decades are adjustable as follows: 1. Determine and employ proper metrological practices. Steps Capacitor Type 1 pF Air capacitor/trimmable Allow a confi dence band for the uncer-...

  • Page 12: Figure 4-1: Screws Holding The Rear Panel

    HACS-Z-A-6E-1pF To adjust 1 pF - 1,000 pF decades, proceed as follows: To adjust the 10 nF and 100 nF decades - if technical 1. Remove the rear panel; see Figure 4-1. capability for this process is available - proceed as...

  • Page 13: Replaceable Parts

    HACS-Z-A-6E-1pF 4.6 Replaceable Parts Model Ref IET Pt No Description 0505-4030 Mica Capacitor, 100 pF 0505-4031 Mica Capacitor, 200 pF 0505-4032 Mica Capacitor, 500 pF 0505-4033 Mica Capacitor, 1 nF 0505-4034 Mica Capacitor, 2 nF 0505-4035 Mica Capacitor, 5 nF...

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