Guildline 6622A Series Operator's Manual
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Guildline 6622A Series Operator's Manual

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Operators Manual
For The
Model 6622A Series T-Option
Automatic DCC Resistance/Thermometry Bridge
www.guildline.com
NOTICE
The contents and information contained in this manual are proprietary to
Guildline Instruments Limited. They are to be used only as a guide to the
operation and maintenance of the equipment with which this manual was
issued and may not be duplicated or transmitted by any means, either in whole
or in part, without the written permission of Guildline Instruments Limited.
OM6622A-T-B1-00
08 November 2022

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Summary of Contents for Guildline 6622A Series

  • Page 1 NOTICE The contents and information contained in this manual are proprietary to Guildline Instruments Limited. They are to be used only as a guide to the operation and maintenance of the equipment with which this manual was issued and may not be duplicated or transmitted by any means, either in whole or in part, without the written permission of Guildline Instruments Limited.

  • Page 4: Table Of Contents

    SCOPE ................................1-1 1.2. GENERAL DESCRIPTION ..........................1-1 PERFORMANCE SPECIFICATIONS ............... 2-1 2.1. 6622A SERIES T-OPTION TEMPERATURE MEASUREMENT SPECIFICATION ......2-1 OPERATING INSTRUCTIONS ................. 3-1 3.1. FRONT PANEL OPERATING PROCEDURE ................... 3-1 3.2. 6622A SERIES T-OPTION RESISTANCE/THERMOMETRY MEASUREMENT BRIDGE .... 3-1 3.3.
  • Page 5 LIST OF FIGURES FIGURE 3-1: MENU TREE – MEASURE/SOFCAL ..................... 3-2 FIGURE 3-2 : MENU TREE – SETUP (RESISTOR) ..................... 3-3 FIGURE 3-3 : MENU TREE – SETUP (PROBE) ......................3-4 FIGURE 3-4 : REAR PANEL CONNECTIONS – PRT/SPRT ..................3-14 OM6622A-T-B1-00 08 November 2022...
  • Page 6 LIST OF TABLES TABLE 3-1 : RECOMMENDED TEMPERATURE MEASUREMENT TEST SETUP ..........3-13 OM6622A-T-B1-00 08 November 2022...

  • Page 7: Introduction

    1.2. GENERAL DESCRIPTION The model 6622A Series T-Option is and software and embedded software upgrade to your 6622A Series bridge. This upgrade includes functions and features that optimize primary temperature measurement, and calibration using your 6622A. These functions primarily include measurement operation at higher speed and temperature conversion.

  • Page 8: Performance Specifications

    Section 2 PERFORMANCE SPECIFICATIONS 2.1. 6622A SERIES T-OPTION TEMPERATURE MEASUREMENT SPECIFICATION 6622A & 6622A-XR 6622A-XP & 6622A-XPR Measurement Specifications (12 Month) 6622A-HV Total Measurement Range: 0.001Ω ⇔ 100Ω 24 Hour Range 0.08 Ω > R < 0.8 Ω 0.8 Ω > R <...
  • Page 9 Section 2 Notes: The Relative Uncertainty specification is that measurement uncertainty of the 6622A Series Automatic DCC Resistance Bridges and 2 times the standard deviation of the sample set, but does not include the uncertainty of the Reference Standards. This Relative Uncertainty specification is applicable after the measurement has stabilized for the applicable Itest current applied to Rx, and for the reversal rate that is greater than or equal to those in the recommended test setups in Section 3.

  • Page 10: Operating Instructions

    The following information describes typical displays and corresponding menu descriptions for associated function keys for the additional functionality provided with the T-Option. Figures 3-1, 3-2, and 3-3 illustrate the model 6622A Series menu tree with the T-Option installed. 08 November 2022...

  • Page 11: Figure 3-1: Menu Tree - Measure/Sofcal

    Section 3 Measure Setup Sofcal Ratio Meas OFF Update 1 Power x1 No Filter Normal 0.001ppm Quick OFF Ohms Meas ON Update 2 Power x2 Decimation 0.01ppm Quick ON Update 4 N Average Delta 0.1ppm PPM SP 1.0ppm Celsius Delta SP 10.0ppm Farenhiet Kelvin...

  • Page 12: Figure 3-2 : Menu Tree - Setup (Resistor)

    Section 3 Measure Setup Sofcal Resistor Profiles Edit Probes Normal Low Ohms Low Ohms Edit Edit Scale Edit Edit 6623-2A 6623/9923 Custom Figure 3-2 : Menu Tree – SETUP (Resistor) 08 November 2022 2 November, 2016...

  • Page 13: Figure 3-3 : Menu Tree - Setup (Probe)

    Section 3 Measure Setup Sofcal Resistor Profiles Edit Probes Probe Set IPTS-68 ITS-90 IEC-751 Edit Edit + Coeff Edit Pos Edit Scale - Coeff Edit Neg Edit 6623-2A 6623/9923 Edit Custom Figure 3-3 : Menu Tree – SETUP (Probe) 08 November 2022 2 November, 2016...

  • Page 14: Title Screen

    ITS- Celsius The main menu with the T-Option installed is identical to the 6622A Series without the option installed with the exception that there is additional available information. Of the additional information available the most pertinent is the units can be in thermometry based units and the mode can indicate a temperature scale.

  • Page 15: Measure> Menu Fn-1 (Main)

    Section 3 3.4.1.1. <Measure> MENU Fn-1 (MAIN) Page 1 of 3 Upgraded functions (menu page 1 of 3). Function key <Fn-1> toggles through the set of available measurement units for the displayed result. For resistance mode the displayed result can have units of <Ratio>...

  • Page 16: Setup> Menu Fn-1 (Setup_Main)

    Section 3 3.4.2. <Setup> MENU Fn-1 (Setup_MAIN) ITS- Celsius Probes Function key <Fn-3>, <Probes>, allows you to toggle between “Resistors” and “Probes”. 3.4.3. <Profiles> MENU Fn-1 (Profiles MAIN) Profiles allow the user to save resistor configuration files and with the T-option installed, probe files can be stored as well.

  • Page 17: Ipts 68> Menu Fn-1 (Edit Main)

    Section 3 Function Key <Fn-1> ,<IPTS 68>, allows entry to the IPTS-68 measurement menu and enables the IPTS-68 coefficients for the probe to be viewed and or edited. Function Key <Fn-2> ,<ITS 90>, allows entry to the ITS-90 measurement menu and enables the ITS-90 coefficients for the probe to be viewed and or edited.

  • Page 18: Its 90> Menu Fn-2 (Edit Main)

    Section 3 3.4.4.2. <ITS 90> MENU Fn-2 (Edit MAIN) -Coeff: <Range 1> +Coeff: <Range 6> ──────────┬══════════┬─────────┬══════════ │Edit Neg │+Coeff │Edit Pos -Coeff Function Key <Fn-1> ,<-Coeff>, selects from the ITS90 set of temperature ranges: <Range 1> := <13.8 K to 273.16 K> : screen display ‘-259C to 0C’ <Range 2>...
  • Page 19 Section 3 When either the <Edit Neg> or <Edit Pos> key is pressed the PASSWORD CHECK display menu is activated. Before the selected set of coefficients can be changed the correct password must be entered. If an incorrect password is entered, the error message "Invalid Password" will be displayed and the edit session will be terminated.

  • Page 20: Iec 751> Menu Fn-3 (Edit Main)

    Section 3 3.4.4.2.2. < Edit Pos> MENU Fn-4 (ITS90 Edit MAIN) Pos Coeff Range: <0C to 962C> ──────────┬──────────┬─────────┬────────── Edit │Ok │ │ Press <Edit> and use arrow keys to move the highlight to the data line to be changed. Modify data and press <Ok>. 3.4.4.3.
  • Page 21 Section 3 Press <Edit> and use arrow keys to move the highlight to the data line to be changed. Modify data and press <Ok>. A resistance value > 0 for the ice point resistance (R0) or triple point of water resistance (Rtpw), MUST be entered for the probe before a measurement can take place.

  • Page 22: Measurement Operation Guide

    This section contains information regarding the measurement of probes in the range of 1m ohm to 100k ohms. This guide is provided for manual front panel control of the model 6622A Series bridge with the T-Option installed. An operation guide for full automatic control of the model 6622A bridge, in thermometry applications, is provided in the BridgeWorks-C Software User’s...

  • Page 23: Figure 3-4 : Rear Panel Connections - Prt/Sprt

    Section 3 Figure 3-4 : Rear Panel Connections – PRT/SPRT 08 November 2022 3-14 2 November, 2016...

  • Page 24: Bridgeworks-C Data Acquisition Software

    Section 3 3.6. BRIDGEWORKS-C DATA ACQUISITION SOFTWARE The BridgeWorks-C Data Acquisition Software is the control software for the model 6622A Bridge. Using the 6622A with the BridgeWorks-C Data Acquisition Software will increase the functionality and the productivity of the bridge. Adding optional 6664B and/or 6664-2A Scanner(s) to work along with 6622A and software control will create a fully automated Resistance Measurement System.

  • Page 25: Maintenance

    4.2.1. PURPOSE The purpose of the procedure in this section is to assure that the model 6622A Series Bridge functions properly and meets the manufacturer’s additional specifications for T-Option. It is recommended that these procedures be performed after any corrective maintenance activity, or if the operator perceives a problem.

  • Page 26: Model 6622A Bridge With T-Option

    Section 4 4.3. MODEL 6622A BRIDGE WITH T-OPTION The following procedure is can be automated in using a test sequence BridgeWorks-C Data Acquisition Software if the 6622A is connected through a 6664B scanner. 4.3.1. Set Up Ensure that the model 6622A is switched on as well as the optional 6664B, and 6634A Resistance Standard, if installed.
  • Page 27 Section 4 Meas. Excitation Reversal Meas. Resistor Resistor Current Rate Mode Tests 1 – 13 for all 6622A T-Option bridges. 10 Ω 10 Ω 3.16 mA 20 sec Normal 10 Ω 10 Ω 3.16 mA 20 sec Normal 100 Ω 100 Ω...
  • Page 28 Section 4 Where: is the 10:1 ratio is the 2.5:1 ratio is the 10:2.5 ratio 6. For the second 10:1 ladder up closure error (1k:100), the 10:1 ratio must agree to within the specification of the nominal ratio for either directly measuring the 10:1 ratio, or calculating the ratio from the product of the 10:4 ratio and the 4:1 ratio, as follows: = (1/3) x...

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