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PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT

TEL: (516) 334-5959 • FAX: (516) 334-5988

www.ietlabs.com

IET LABS, INC.

1404 Series

Primary Capacitance Standard

Operation Manual

Visit www.ietlabs.com for manual revision updates

1404 im/May 2022

Содержание 1404 Series

Страница 1: ...MENT Email info ietlabs com TEL 516 334 5959 FAX 516 334 5988 www ietlabs com IET LABS INC 1404 Series Primary Capacitance Standard Operation Manual Copyright 2022 IET Labs Inc Visit www ietlabs com f...

Страница 2: ...PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT Email info ietlabs com TEL 516 334 5959 FAX 516 334 5988 www ietlabs com IET LABS INC...

Страница 3: ...t no charge when returned to IET Changes in this product not approved by IET or application of voltages or currents greater than those allowed by the speci cations shall void this warranty IET shall n...

Страница 4: ...002 96 EC This product complies with the WEEE Directive 2002 96 EC marking requirements The a xed label indicates that you must not discard this electrical electronic product in domestic household was...

Страница 5: ...ons contained in the warnings must be followed CAUTION DO NOT Operate in an Explosive Atmosphere Do not operate the instrument in the presence of in ammable gasses or fumes Operation of any electrical...

Страница 6: ...USED TAKE ALL MEASURES TO AVOID ACCIDENTAL CONTACT WITH ANY LIVE COMPONENTS USE MAXIMUM INSULATION AND MINIMIZE THE USE OF BARE CONDUCTORS WHEN USING THIS INSTRUMENT Use extreme caution when working w...

Страница 7: ...ature Coe cient 5 3 4 Temperature Cycling 6 3 5 Design 6 3 6 Environmental Conditions 6 3 6 1 Operating Temperature 6 3 6 2 Storage Temperature 6 3 7 Shipping and Handling 6 Chapter 4 Maintenance 7 4...

Страница 8: ...vi...

Страница 9: ...t the assembly is mounted in a heavy brass container which after evacuation is lled with dry nitrogen under pressure slightly above atmospheric and sealed The container is mounted on an aluminum panel...

Страница 10: ...ied with each capacitor giving the measured direct capacitance at 1 kHz 30 Vac and 23 1 C Temperature Coe cient of Capacitance A measured value with and accuracy of 1 ppm C is given on the certi cate...

Страница 11: ...A 1000 pF Observe all safety rules when working with high voltages or line voltages Connect the shield to earth ground in order to maintain the case at a safe voltage Whenever hazardous voltages 45 V...

Страница 12: ...4 1404 Series 4 Specifications...

Страница 13: ...have 2 bnc connectors labeled HI and LO as shown in gure 3 1 Figure 3 1 1404 capacitor standard with bnc connectors Equivalent circuit showing direct capacitance CD and average values of residual ind...

Страница 14: ...lates that make up the capacitor are her metically sealed in a can lled with dry nitrogen to minimize e ects of both humidity and barometric pressure The 1404 capacitors show very small changes with o...

Страница 15: ...rval The recommended 1404 Series calibration interval is twelve 12 months The calibration procedure may be carried out by the user if a calibration capability is available by IET Labs or by a certi ed...

Страница 16: ...l should be maintained This connection mimics the connection on the IET GenRad 1404 Standard Capacitor 2 Determine and employ proper metrological practices Allow a con dence band for the uncer tainty...

Страница 17: ...9 1404 Series 9 Maintenance 4 4 Replaceable Parts List There are no replaceable parts on the 1404 Series Contact IET Labs at for an RMA should service be required at https www ietlabs com...