IET Labs HRRS SERIES User And Service Manual
High resistance decade substituter
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PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT
HRRS SERIES
High Resistance
Decade Substituter
User and Service Manual
Copyright © 2013 IET Labs, Inc.
Visit www.ietlabs.com for manual revision updates
HRRS im/January 2013
IET LABS, INC.
www.ietlabs.com
Email: info@ietlabs.com
TEL: (516) 334-5959 • FAX: (516) 334-5988
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Table of Contents
Related Manuals for IET Labs HRRS SERIES
Summary of Contents for IET Labs HRRS SERIES
- Page 1 ♦ PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT HRRS SERIES High Resistance Decade Substituter User and Service Manual Copyright © 2013 IET Labs, Inc. Visit www.ietlabs.com for manual revision updates HRRS im/January 2013 IET LABS, INC. www.ietlabs.com Email: info@ietlabs.com TEL: (516) 334-5959 • FAX: (516) 334-5988...
- Page 2 IET LABS, INC. www.ietlabs.com Email: info@ietlabs.com TEL: (516) 334-5959 • FAX: (516) 334-5988...
- Page 3 HRRS 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 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 (>...
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Page 5: Table Of Contents
4.3.3 Calibration Procedure ................. 7 4.4 Schematic ......................7 4.5 Replaceable Parts ....................8 Figures and Tables Figure 1-1: HRRS Series High Resistance Decade Substituter ....1 Figure 2-1: HRRS sample label ..............4 Figure 4-1: HRRS Series Schematic Diagram .........7 Table 4-1: Replaceable Parts ..............8 Figure 4-2: Replaceable Parts ..............8... - Page 6 HRRS Series This page is intentionally left blank. Table of Contents...
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Page 7: Chapter 1 Introduction
With a resolution as low as 10 Ω and a maximum available resistance of over 1 TΩ (= 1000 GΩ; = 1000 kMΩ), the HRRS Series may be used for exacting precision high-value resistance applications. Steps up to 10 TΩ are also available from IET Labs,... -
Page 8: Chapter 2 Specifications
HRRS Series Chapter 2 SPECIFICATIONS For convenience to the user, the pertinent specifications are given in an OPERATING GUIDE affixed to the case of the instrument. Figure 2.1 shows a typical example. 2.1 Specifications Accuracy Total Max voltage Maximum Temperature Voltage 18-28°C;... -
Page 9: Ordering Information
HRRS Series 2.2 Ordering Information Number of Number of Model Total resistance Resolution Model Total resistance Resolution decades decades HRRS-*-3-1M 1.11 GΩ 1 MΩ HRRS-*-7-100 1.111 111 GΩ 100 Ω HRRS-*-3-10M 11.1 GΩ 10 MΩ HRRS-*-7-1k 11.111 11 GΩ 1 kΩ HRRS-*-3-100M 111 GΩ 100 MΩ HRRS-*-7-10k 111.111 1 GΩ 10 kΩ HRRS-*-4-100k 1.111 GΩ 100 kΩ... -
Page 10: Figure 2-1: Hrrs Sample Label
HRRS Series Specifications... -
Page 11: Chapter 3 Operation
HRRS Series Chapter 3 OPERATION and a setting of 10-10-10-l0-10.10 Ω becomes: 3.1 Initial Inspection and Setup This instrument was carefully inspected before ship- 1 0 0 0 0 0 . 0 ment. It should be in proper electrical and mechanical 1 0 0 0 0 . -
Page 12: Chapter 4 Maintenance
MAINTENANCE 4.1 Maintainability and Reliability 4.3.2 General Considerations It is important, whenever testing the HRRS Series It is possible to maintain Model HRRS indefinitely. It Decade Units, to be very aware of the capabilities and is reliable due to its closed design and sealed switches limitations of the test instruments used. -
Page 13: Calibration Procedure
Specifications on Page 2). 4. Confirm that the resistances fall within these limits after subtraction of the zero resistance. If any resistances fall outside thee limits, the associated switch assembly may require service or replacement. Figure 4-1: HRRS Series Schematic Diagram Maintenance... -
Page 14: Replaceable Parts
HRRS Series 4.5 Replaceable Parts Model Ref IET Pt No Description BP-1000-RD Binding Post, Red BP-1000-BK Binding Post, Black BP-1000-GN Binding Post, Green HARS-X-4300-KNB Knob Assembly Not Shown HARS-X-3100 Foot Not Shown HRRS-*-SW-10 10 Ω/step Decade Switch Assembly Not Shown HRRS-*-SW-100 100 Ω/step Decade Switch Assembly...
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