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Summary of Contents for IET Labs, Inc. HPRS-F-3-0.01
- Page 1 ♦ ♦ PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT HPRS SERIES High-Power Decade Resistance Substituter User and Service Manual Copyright © 2018 IET Labs, Inc. HPRS im/Jan. 2018 www.ietlabs.com IET LABS, INC. Email: info@ietlabs.com TEL: (516) 334-5959 • FAX: (516) 334-5988...
- Page 2 www.ietlabs.com IET LABS, INC. Email: info@ietlabs.com TEL: (516) 334-5959 • FAX: (516) 334-5988...
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Page 3: Warranty
HPRS Series 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: Revision History
HRRS Series Revision History: Date Description March 2013 Initial release Jan 2 Major update for standardization of marking and required information in the manual... -
Page 5: Safety Summary
HRRS Series SAFETY SUMMARY The following general safety precautions must be observed during all phases of operation, service, and repair of this instrument. Failure to comply with these precautions or with specifi c WARNINGS elsewhere in this manual may impair the protection provided by the equipment. - Page 6 HRRS Series SAFETY SUMMARY CONTINUED CAUTION • DO NOT Operate in an Explosive Atmosphere • DO NOT operate the instrument in the presence of infl ammable gasses or fumes • Operation of any electrical instrument in such an environment clearly constitutes a safety hazard •...
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Page 7: Warning
HRRS Series 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 8: Table Of Contents
Contents WARRANTY .................... 3 Revision History ..................4 Safety Summary ..................5 WARNING ....................7 Chapter 1 INTRODUCTION ................9 Chapter 2 SPECIFICATIONS ................ 10 Chapter 3 INSTALLATION ................12 3.1 Initial Inspection ..............12 3.2 Installation ................12 3.3 Storage ................12 Chapter 4 OPERATION .................. -
Page 9: Chapter 1 Introduction
HPRS Series Chapter 1 INTRODUCTION The High-Power Decade Resistance Substituter If continuous use is required to full rated power see (HPRS) Series is a family of instruments offering a DRS-900 High Power Resistance Substituter. broad choice of high-power, excellent-performance resistance sources (Figure 1.1). High-power resistors are made available without sacrifi... -
Page 10: Chapter 2 Specifications
(1.0% accuracy shown) Dials (Ω) (1.0% accuracy shown) Dials (Ω) (Ω) (Ω) HPRS-F-3-0.001 0.999 0.001 HPRS-F-6-0.001 999.999 0.001 HPRS-F-3-0.01 9.99 0.01 HPRS-F-6-0.01 9.999 99 k 0.01 HPRS-F-3-0.1 99.9 HPRS-F-6-0.1 99.999 9 k HPRS-F-3-1 HPRS-F-6-1 (HPRS-150) 999.999 k HPRS-F-3-10 9.99 k HPRS-F-6-10 9.999 99 M... - Page 11 HPRS Series SPECIFICATIONS...
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Page 12: Chapter 3 Installation
HPRS Series Chapter 3 INSTALLATION 3.1 Initial Inspection 3.2 Installation IET instruments receive a careful mechanical and For a rack-mounted model, installation in a 19-inch electrical inspection before shipment. Upon receipt, rack may be made using the slots in the rack mounting verify that the contents are intact and as ordered. -
Page 13: Chapter 4 Operation
HPRS Series Chapter 4 OPERATION 4.1 General Considerations Electrical Considerations The HPRS Series Decade unit provides three termi- nals labeled H (high), L (low), and G (ground.) The As a good safety practice, the case should be grounded H and L terminals are connected to the ends of the using the G terminal. -
Page 14: Chapter 5 Maintenance
HPRS Series Chapter 5 MAINTENANCE 5.1 Preventive Maintenance ters or digital multimeters available that can verify the accuracy of these units, especially when used in conjunction with standards that can serve to confi rm The HPRS Decade Substituter is packaged in a ven- or improve the accuracy of the testing instrument. -
Page 15: Schematic And Replacement Parts
HPRS Series 5.3 Schematic and Replacement Parts To remove a decade switch assembly proceed as follows: 1. Label and unsolder the bus wires connecting the Refer to Figure 5.1 for a basic schematic of the HPRS switch assembly to the resistive loads. decade unit. -
Page 16: Instrument Return
HPRS Series 5.7 Instrument Return Before returning an instrument to IET for service To safeguard an instrument during shipment, please please call our Service Department at 516-334-5959 use packaging that is adequate to protect it from for Return Material Authorization (RMA) or visit damage, (i.e., equivalent to the original packaging) www.ietlabs.com to request an RMA online. - Page 17 HPRS Series Figure 5.1. HPRS Series Schematic Diagram MAINTENANCE...