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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

Summary of Contents for 6622A Series

Page 1: ...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 d...

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Page 4: ...1 MAIN Page 2 of 3 3 6 3 4 1 3 Measure MENU Fn 1 MAIN Page 3 of 3 3 6 3 4 2 Setup MENU Fn 1 Setup_MAIN 3 7 3 4 3 Profiles MENU Fn 1 Profiles MAIN 3 7 3 4 4 Edit MENU Probe Fn 2 Edit MAIN 3 7 3 4 4 1 I...

Page 5: ...B1 00 08 November 2022 iii 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 S...

Page 6: ...OM6622A T B1 00 08 November 2022 iv LIST OF TABLES TABLE 3 1 RECOMMENDED TEMPERATURE MEASUREMENT TEST SETUP 3 13...

Page 7: ...NERAL 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 temperatu...

Page 8: ...10 10k 24 Hour Range Stability RS 100 10 Rx 80 80 Rx 630 630 Rx 1340 1 34 k Rx 10 75 k 1 2 0 2 0 2 0 4 0 06 0 8 0 1 0 1 0 2 0 04 0 8 0 1 0 1 0 2 0 04 Total Measurement Range 100 100k 24 Hour Range St...

Page 9: ...n 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 S...

Page 10: ...computer system 3 2 6622A SERIES T OPTION RESISTANCE THERMOMETRY MEASUREMENT BRIDGE The front panel operation of the model 6622A with the T Option does not change for resistance measurement All relev...

Page 11: ...x2 No Filter Decimation N Average Normal PPM Delta PPM SP Delta SP 0 001ppm 0 01ppm 0 1ppm 1 0ppm 10 0ppm Quick OFF Quick ON GPIB Coef Set Diagnostic P O S T Filter Datum Password Edit OK Address Mode...

Page 12: ...8 November 2022 2 November 2016 3 3 Figure 3 2 Menu Tree SETUP Resistor Edit OK Normal Low Ohms Low Ohms Edit OK 6623 2A 6623 9923 Custom Edit OK Measure Setup Sofcal Profiles Edit Edit OK Scale Resis...

Page 13: ...ember 2016 3 4 Figure 3 3 Menu Tree SETUP Probe Edit OK IPTS 68 ITS 90 IEC 751 Edit OK 6623 2A 6623 9923 Custom Coeff Edit Neg Measure Setup Sofcal Profiles Edit Edit OK Scale Probe Set Coeff Edit Pos...

Page 14: ...ntical 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...

Page 15: ...resistance mode the displayed result can have units of Ratio or Ohms For resistance mode the displayed result can have units of Celsius Fahrenheit Kelvin Ratio or Ohms The active engineering units wil...

Page 16: ...ll 15 resistor and 5 probe profiles are available The profile menu otherwise operates the same as described in the Operator s Manual OM6622A 3 4 4 Edit MENU Probe Fn 2 Edit MAIN The Edit menu will eit...

Page 17: ...751 coefficients for the probe to be viewed and or edited Function Key Fn 4 Probe Set allows entry to the Probe set menu and enables the test values for the probe to be viewed and or edited 3 4 4 1 I...

Page 18: ...Pos are removed from the display screen along with the display of Coeff values Function key Fn 3 Coeff selects from the ITS90 set of temperature ranges Range 6 273 15 K to 1234 93 K screen display 0C...

Page 19: ...ered the error message Invalid Password will be displayed and the edit session will be terminated 3 4 4 2 1 Edit Neg MENU Fn 2 ITS90 Edit MAIN Neg Coeff Range 259C to 0C a1 b1 c1 c2 c3 Edit Ok Screen...

Page 20: ...nd use arrow keys to move the highlight to the data line to be changed Modify data and press Ok When Edit is pressed the PASSWORD CHECK display menu is activated Before the selected coefficient can be...

Page 21: ...ed 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 Max Current...

Page 22: ...The setup is the same as for the Normal mode described in the 6622A Operator s Manual OM6622A except select the Probe mode is enabled and the subsequent ITS 90 IPTS 68 or IEC 751 selection is made in...

Page 23: ...Section 3 08 November 2022 2 November 2016 3 14 Figure 3 4 Rear Panel Connections PRT SPRT...

Page 24: ...he model 6622A system with the computer ensure that the operation of the software package is well understood The computer controls the system through the IEEE 488 Interface GPIB of the model 6622A Res...

Page 25: ...ny corrective maintenance activity or if the operator perceives a problem It is recommended that all of these procedures be performed on an annual basis to verify performance of the model 6622A for it...

Page 26: ...nel leads from the optional 6664B scanner as listed below Resistor 10 10 2 100 100 2 1 k 1 k 2 25 400 Set these standard resistors into the controlled temperature environment and allow time for them t...

Page 27: ...error For example if the Rx Rs ratio of the first measurement is Ra and the Rx Rs ratio of the second measurement where the two resistors are exchanged with one another is Rb then the interchange err...

Page 28: ...is the 10 4 ratio 7 For the 100 1 ladder up closure error 1k 10 the 100 1 ratio must agree to within the specification of the nominal ratio for either directly measuring the 100 1 ratio or calculatin...

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