Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for IET Labs SCA Series
Summary of Contents for IET Labs SCA Series
- Page 1 ♦ ♦ PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT SCA Series Capacitance Standard Operation Manual Copyright © 2019 IET Labs, Inc. Visit www.ietlabs.com for manual revision updates SCA im/Nov. 2019 www.ietlabs.com IET LABS, INC. Email: info@ietlabs.com TEL: (516) 334-5959 • FAX: (516) 334-5988...
- Page 2 ♦ ♦ PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT www.ietlabs.com IET LABS, INC. Email: info@ietlabs.com TEL: (516) 334-5959 • FAX: (516) 334-5988...
- Page 3 WARRANTY We warrant that this product is free from defects in material and workmanship and, when properly used, will perform in accordance with applicable IET specifi cations. If within one year after original shipment, it is found not to meet this standard, it will be repaired or, at the option of IET, replaced at no charge when returned to IET.
- Page 4 Safety Symbols General defi nitions of safety symbols used on the instrument or in manuals are listed below. Caution symbol: the product is marked with this symbol when it is necessary for the user to refer to the instruction manual. Hazardous voltage symbol: the product is marked with this symbol when high voltage maybe present on the product and an electrical shock hazard can exist.
- Page 5 To avoid the danger of introducing additional hazards, do not install substitute parts or perform unauthorized modifi cations to the instrument. Return the instrument to an IET Labs for service and repair to ensure that safety features are maintained in operational condition.
- Page 6 WARNING OBSERVE ALL SAFETY RULES WHEN WORKING WITH HIGH VOLTAGES OR LINE VOLTAGES. Dangerous voltages may be present inside this instrument. Do not open the case Refer servicing to qualifi ed personnel HIGH VOLTAGES MAY BE PRESENT AT THE TERMINALS OF THIS INSTRUMENT WHENEVER HAZARDOUS VOLTAGES (>...
-
Page 7: Table Of Contents
Contents Chapter 1 Introduction ................1 1.1 Description of the SCA Series ................1 1.2 Optional Transit Case .................... 1 Chapter 2 Specifi cations ................2 Specifi cations ........................ 2 Chapter 3 Operation ..................3 3.1 Initial Inspection and Setup .................. 3 3.2 Connections to Capacitor ..................3 3.2.1 Low capacitors - 190 pF and under ............ - Page 8 Figures and Tables Figure 1-1: SCA Series Resistance Standard ..........1 Figure 1-2: Optional Transit Case (SRC-100) ..........1 Figure 2-1: Sample label attached to an SCA unit ........2 Figure 3-1: Low SCA capacitor standard with bnc connectors ....3 Figure 3-2: Capacitance shunted by leakage to case .........3 Figure 3-3: Intermediate SCA capacitor standard with 3 binding posts ..4...
-
Page 9: Chapter 1 Introduction
SCA Series Chapter 1 INTRODUCTION 1.1 Description of the SCA Series The SCA Series (Figure 1-1) are stable, precise, laboratory or portable capacitance standards. They are working and laboratory standards grade. The SCA units are available in values ranging from 1 pF to 10,000 μF with custom values or combinations... -
Page 10: Chapter 2 Specifi Cations
27.2 kg (60 lb) 10,000 µF 36.3 kg (80 lb) (21" x 10.75" x 17.5") www.ietlabs.com 534 Main Street, Westbury, NY 11590 (516) 334-5959 • FAX: (516) 334-5988 SCA Series lbl/1μF/pg1/1-2010 Figure 2-1: Sample label attached to an SCA unit Specifi cations... -
Page 11: Chapter 3 Operation
SCA Series Chapter 3 OPERATION The capacitance of the unit is shown as C in Figure 3.1 Initial Inspection and Setup 3-2. There is additional capacitance to the case shown by C and C . These capacitances will add to C... -
Page 12: Intermediate Capacitors - From 1 Nf To 1 Μf
0°C to 40°C to retain its accuracy within the specifi ed limits. 3.4 Shipping and Handling The SCA Series should not be exposed to any excessive shock or temperature extremes. The option SRC-100, a lightweight transit case capable of storing two SCA units, is recommended for shipping or transporting the models. -
Page 13: Chapter 4 Maintenance
4.2.1 Calibration Interval the nominal operating temperature of 23 C, and at nominal laboratory conditions of humidity. There The recommended SCA Series calibration interval is should be no temperature gradients across the unit twelve (12) months. under test. The calibration procedure may be carried out by the... -
Page 14: Calibration With Digibridge
SCA Series 4.3 Calibration Procedure with 4.4 Calibration Procedure with Digibridge GenRad 1620 or AH2500A/ AH2700A Capacitance Bridge To calibrate an SCA unit, proceed as follows: To calibrate an SCA unit, proceed as follows: 1. SCA capacitors with bnc connectors should be connected to the Digibridge such that the 1. -
Page 15: Replaceable Parts List
4.5 Replaceable Parts List Reference IET Pt No Description 32-21 Binding Post, Red 32-20 Binding Post, Black 32-19 Binding Post, Gold Not Shown UG-194 bnc connecor Not Shown SCA-*-Cap SCA capacitor assembly Replace * with nominal capacitance value Table 4-1: Replaceable Parts List Figure 4-1: SCA Replaceable Parts...
Need help?
Do you have a question about the SCA Series and is the answer not in the manual?
Questions and answers