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Astronics Trig-Tek 850A, User Manual

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850A/B User Manual                                                                                   Publication No. 980972  Rev. B 

Contact Current Adjustment 

1.  Connect a current meter to Channel 1 Input. Set to read up to 11 milliamps. 

2.  Place the X1-X0.1 switch to X1. 

3.  Place the CONTACT CURRENT DIAL to 10. 

4.  Set the full-scale current adjust  R32 for 10 ±.01 milliamps indication on the 

current meter. 

5.  Connect the current meter to each of the other nine channels and get 10 ±0.2 

milliamps indication. 

6.  Place the X1-X0.1 Switch to X0.1. 

7.  All channels should indicate 1.0 ±0. 1 milliamps. 

8.  Set dial to 5, and X1-X0.1 Switch to X1. 

9.  All channels should indicate 5.0 ±0.1 milliamps. 

 

 

 

 

Calibration 3-2                                                                                                            Astronics Test Systems 

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for Trig-Tek 850A

Page 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Page 2: ...ronics com atssales astronics com atshelpdesk astronics com http www astronicstestsystems com Copyright 2011 by Astronics Test Systems Inc Printed in the United States of America All rights reserved This book or parts thereof may not be reproduced in any form without written permission of the publisher Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ...cs Test Systems express written consent or misuse of any product or part The warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal wear such as mechanical relay life or failure to follow instructions This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability ...

Page 4: ... Systems TRADEMARKS AND SERVICE MARKS All trademarks and service marks used in this document are the property of their respective owners Racal Instruments Talon Instruments Trig Tek ActivATE Adapt A Switch N GEN and PAWS are trademarks of Astronics Test Systems in the United States DISCLAIMER Buyer acknowledges and agrees that it is responsible for the operation of the goods purchased and should e...

Page 5: ...his will defeat the protective feature of the third conductor in the power cord Maintenance and calibration procedures sometimes call for operation of the unit with power applied and protective covers removed Read the procedures and heed warnings to avoid live circuit points Before operating this instrument 1 Ensure the proper fuse is in place for the power source to operate 2 Ensure all other dev...

Page 6: ...ower 1 3 Chapter 2 2 1 Operation 2 1 Current Setting 2 1 Time Interval Switch Settings 2 1 Contact Connections and Switches 2 1 Fault 2 2 Chapter 3 3 1 Calibration 3 1 Timing Interval Adjustment 3 1 Contact Current Adjustment 3 2 Astronics Test Systems i Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 7: ...850A B User Manual Publication No 980972 Rev B This page intentionally left blank ii Astronics Test Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 8: ... Contact Chatter Detector 1 1 Figure 1 2 Trig Tek 850B Contact Chatter Detector 1 1 Figure 2 1 Switch S1 Input Voltage Setting 2 2 Figure 3 1 Calibration Adjustments 3 1 Astronics Test Systems iii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 9: ... 2 23 2011 Document Control release B 5 17 2012 ECN00301 adding 850A configuration information Added ITAR statements B 8 29 2012 ECN01438 Administrative document change Remove ITAR statements iv Astronics Test Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 10: ...ltaneously for 0 1 to 11 milliamps The difference between the two models is that the 850A uses BNCs for the channel inputs and the 850B uses screw terminals Figure 1 1 Trig Tek 850A Contact Chatter Detector Figure 1 2 Trig Tek 850B Contact Chatter Detector Timing Interval Controls provide for setting from 1 to 999 microseconds or 1 to 999 milliseconds for the maximum time a discontinuity can exist...

Page 11: ...Terminal Permits FAULT Reset from remote location Fault Output Terminals Provide a 12 Volt for Fault and 0 for NO Fault for each channel Controls Power Switch Turns Power ON or OFF Contact Current Dial Permits continuous setting of 1 11 Operates in conjunction with the X1 X0 1 switch to provide 1 to 11 milliamps current through the contact being tested X1 X0 1 Switch Multiplies the current dial by...

Page 12: ...h channel If a fault for the channel occurs the LED will illuminate and remain on until the RESET switch is depressed Power Power Operates from either 117 or 234 Volt RMS AC power 50 or 60 Hz at approximately 15 watts Astronics Test Systems Introduction 1 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 13: ... User Manual Publication No 980972 Rev B This page intentionally left blank Introduction 1 4 Astronics Test Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 14: ... in the X0 1 position the dial sets 0 1 to 1 1 milliamps and the X1 position provides 1 to 11 milliamps The current setting is for all ten channels To prevent damage to the contacts each channel voltage is clamped below 3 Volts Time Interval Switch Settings The Time Interval Switches set the time discontinuity can exist in a NC contact before it is considered a FAULT for a NO contact the opposite ...

Page 15: ...T LED for that channel illuminates and a 12 V signal is present on the FAULT output terminal on the rear panel To remove the fault the FAULT RESET switch should be depressed this removes the fault from all channels The FAULT RESET can be accomplished remotely by applying 12 volts to the RESET terminal on the rear panel Figure 2 1 Switch S1 Input Voltage Setting Switch S1 Operation 2 2 Astronics Te...

Page 16: ...nts Remove top cover of the 850A B to access components Timing Interval Adjustment 1 Connect a frequency counter to Pin 3 of U3 Figure 3 1 2 Set the MICROSEC MILLISEC Switch to MICROSEC 3 Set the timing adjust R33 for an indication of 1 MHZ 10 kHz 4 Place the MICROSEC MILLISEC switch to MILLISEC 5 The counter should indicate 1000 10 Hz Figure 3 1 Calibration Adjustments Pin 1 U3 R32 R33 Astronics ...

Page 17: ...R32 for 10 01 milliamps indication on the current meter 5 Connect the current meter to each of the other nine channels and get 10 0 2 milliamps indication 6 Place the X1 X0 1 Switch to X0 1 7 All channels should indicate 1 0 0 1 milliamps 8 Set dial to 5 and X1 X0 1 Switch to X1 9 All channels should indicate 5 0 0 1 milliamps Calibration 3 2 Astronics Test Systems Artisan Technology Group Quality...

Page 18: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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