Trig-Tek™ 41P Portable Calibrator User Manual
Contents
1. STRONICS TEST SYSTEMS Trig Tek 41P Portable Calibrator User Manual Publication No 980961 Rev A Astronics Test Systems Inc 4 Goodyear Irvine CA 92618 Tel 800 722 2528 949 859 8999 Fax 949 859 7139 atsinfo astronics 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 THANK YOU FOR PURCHASING THIS ASTRONICS TEST SYSTEMS PRODUCT For this product or any other Astronics Test Systems product that incorporates software drivers you may access our web site to verify and or download the latest driver versions The web address for driver downloads is http www astronicstestsystems com support downloads If you have any questions about software driver downloads or our privacy policy please contact us at atsinfo astronics com WARRANTY STATEMENT All Astronics Test Systems products are designed to exacting standards and manufactured in full compliance to our AS9100 Quality Management System processes This warranty does not apply to defects resulting from any modification s of any product or part without Astronics Test Systems express written consent or misuse of any product or part The warranty also does not apply to fuses software non rechargeable batter2. calibrated in RMS units and the output can be offset 0 to 12 VDC using the OFFSET control AMPLITUDE and X1 X10 Switches The AMPLITUDE four digit thumbwheel switch providing settings from 000 0 to 999 9 mV or pC amplitude for the units selected by the UNITS mV pC switch The 000 1 to 999 9 amplitude setting can be multiplied by the X1 X10 switch above the AMPLITUDE switch When switched to X1 the amplitude is 000 0 to 999 9 mV and pC In the X10 position the amplitudes of 0000 to 9999 mV and pC can be set Rechargeable Battery The 41P Portable Calibrator uses a six volt rechargeable battery pack The battery supplies power to the 41P for up to 8 hours when fully charged In order to recharge the battery it is necessary to plug the charge adapter into 115 VAC power and then connect it to the 41P To extend the life of the battery the calibrator should be completely discharged before recharging The battery requires ten hours to fully charge The 41P provides circuitry such that the charger may be left plugged in indefinitely without damaging the battery When the low battery BATT LOW LED illuminates it does not necessarily mean the battery is fully discharged but that the battery s voltage has dropped below what is required to maintain the specifications for the 41P The 41P will probably continue to operate but the output voltages may not be within specifications The unit can be operated with the charger plugged in Operatio
3. dicators CHRG ON LED illuminates when charging BATT LOW LED illuminates when low battery condition exists Power 110 VAC with supplied charger 6 VDC rechargeable batteries Dimensions 2 5 high x 6 wide x 7 long Asironics Test Systems Introduction 1 3 41P User Manual Publication No 980961 Rev A This page was left intentionally blank Introduction 1 4 Astronics Test Systems Publication No 980961 Rev A 41P User Manual Chapter 2 Operations The Trig Tek 41P Portable Calibrator is contained in a high impact plastic case It is lightweight and very durable It provides settings of 000 1 to 999 9 mV or pC output levels with an X10 to provide 0001 to 9999 mV or pC at the two separate output jacks The internal battery will provide more than 8 hours of operation before recharge FREQUENCY HZ POWER Switch This switch has six positions OFF 61 4 Hz 100 Hz 140 Hz 318 Hz and 1000 Hz The 100 Hz and 1000 Hz are frequencies widely used for checking various equipment The other three frequencies are unique 61 4 Hz is where Acceleration Peak is equal to Velocity Peak 140 Hz is where Acceleration Peak is equal to Displacement Pk Pk and 318 Hz is where Velocity Peak is equal to Displacement Pk Pk The OFF position de energizes the circuitry UNITS mV pC Switch This switch has five positions The first is DC When the switch is in this position only DC voltages appear at the mV millivolt output The output level o
4. erformance Test 3 1 41P User Manual 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Publication No 980961 Rev A Observe an indication of 636 3 2 mVAC RMS Set the UNITS switch to PK PK Observe an indication of 318 1 6 mVAC RMS Set the FREQUENCY switch to 61 4 Hz Connect the Frequency Counter to the mV OUTPUT BNC jack Observe an indication of 61 44 0 31 Hz on the Frequency Counter Set the FREQUENCY switch to 140 Hz Observe an indication of 139 9 0 696 Hz Set the FREQUENCY switch to 318 Hz Observe an indication of 318 1 59 Hz Set the FREQUENCY switch to 100 0 Hz Observe an indication of 100 0 0 5 Hz Set the FREQ switch to 1000 Hz Observe an indication of 1000 5 Hz Performance Test 3 2 Asironics Test Systems Publication No 980961 Rev A 41P User Manual Chapter 4 Calibration Procedure The unit has been carefully calibrated using frequency counters and multimeter that are traceable to theNational Bureau of Standards Do not make any adjustments unless properly calibrated equipment is available Make sure the battery is fully charged Test Equipment Note Equivalent equipment can be used 1 AC DC Digital Multimeter Keithley Model 191 2 Frequency Counter Leader Model LDC 822 Adjustments There are four separate adjustments inside the 41P Portable Calibrator Refer to Figure 4 1 for potentiometer locations on the circuit board inside the case 1 Remove the back co
5. f the DC is determined by the AMPLITUDE switch and can provide outputs of 000 1 to 999 9 millivolts or 0001 to 9999 millivolts DC in two ranges by placing the X1 X10 Switch to X10 The next position of the switch is PEAK When in this position the AMPLITUDE is calibrated for millivolts peak at the mV output The output at the BNC connector labeled pC picocoulomb is a charge output equivalent to the applied voltage through a precision capacitor The precision 0 3 capacitor is 1000 pF Hence if 100 mV PEAK is set on the front panel switch a voltage of 100 mV is applied through the 1000 pF capacitor providing an equivalent charge of 100 pC PK at the BNC PC output The third position of the switch is PK PK minus In this position the mV and pC outputs are calibrated in PK PK units While in the PK PK minus position the mV output can be offset 0 to 12 VDC adjustable by the DC OFFSET control to the right of the UNITS mV pC switch Note When no DC offset is needed be sure the DC OFFSET control is turned completely counterclockwise to 0 The fourth position of the switch is PK PK plus In this position the mV and pC outputs are calibrated in PK PK units While in the PK PK position the mV output Astronics Test Systems Operations 2 1 41P User Manual Publication No 980961 Rev A can be offset using the DC SET control for the 0 to 12 VDC The last switch position is RMS plus In this position the mV and pC outputs are
6. fails to operate satisfactorily shows visible damage has been stored under unfavorable conditions has sustained stress Do not operate until performance is checked by qualified personnel Publication No 980961 Rev A 41P User Manual Table of Contents GHapier T1 cece a See ae er ar Er a ee fee eee ll 1 1 a ss se E A nn a a SS 1 1 A A PE Se a a Meere Mu Se Beeren ene ee me Ser ske de 1 2 SPOCIICALIOMS E dk iaeia Taide 1 2 Outputs MV and PG i waite nee en rec Gel tne dg eed ae 1 2 Controls Tar 1 2 IndiCatorssr ss beta Ack ee ae ee ce tee ee re tient e ee ok e lee re re Vera be he AE oko Met 1 3 Power 2 A A A A ON 1 3 Bilaal ENa EAEE E AEE EE A RA AS 1 3 Ghapler 24 2 1 GAT ONS iii ee eee 2 1 FREQUENCY HZ POWER Switch 2 ira rennen trenden 2 1 UNITS MV PE SWIN givin u HE 2 1 AMPLITUDE and X1 X10 Switches oooooccccccccccconoccccnoconononenanoncnononononanancnncnnnnnnnnnnnnnnnnonnnnnnananannns 2 2 Rechargeable Banery oseiro a Aa ni 2 2 Chapel eee 3 1 Performance Test un ssnaraarkenhae adi 3 1 Test Equipment uns rer ee ee een BA eae es 3 1 Switch Settings 24 22222222 added ited aaea a daaa a aa iaia pedis 3 1 Performance Test in 3 1 Ghapler4 varde 4 1 Calibration Procedure annnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnunnnnnnnnnnnnnnunnnnnnnnnnunnnnnnnnnnnnnnnnnennnnen 4 1 TEStEJUPMEN ALe eee 4 1 AGUSE oeii A E aorta 4 1 Calibration Procedures uuueensenannnnennnennnnnnnnnnnnnnnnnnnnnnnnnnnnnn
7. ies 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 or fitness for a particular use The remedies provided herein are buyer s sole and exclusive remedies For the specific terms of your standard warranty contact Customer Support Please have the following information available to facilitate service 1 Product serial number 2 Product model number 3 Your company and contact information You may contact Customer Support by E Mail atshelpdesk astronics com Telephone 1 800 722 3262 USA Fax 1 949 859 7139 USA RETURN OF PRODUCT Authorization is required from Astronics Test Systems before you send us your product or sub assembly for service or calibration Call or contact Customer Support at 1 800 722 3262 or 1 949 859 8999 or via fax at 1 949 859 7139 We can also be reached at atshelpdesk astronics com If the original packing material is unavailable ship the product or sub assembly in an ESD shielding bag and use appropriate packing materials to surround and protect the product PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Astronics Test Systems and shall not without express written permission of Astronics Test Systems be used in whole or in part to solicit quotat
8. ions from a competitive source or used for manufacture by anyone other than Astronics Test Systems The information herein has been developed at private expense and may only be used for operation and maintenance reference purposes or for purposes of engineering evaluation and incorporation into technical specifications and other documents which specify procurement of products from Astronics Test Systems TRADEMARKS AND SERVICE MARKS Alltrademarks and service marks used in this document are the property of their respective owners e 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 ensure that they are used properly and in accordance with this document and any other instructions provided by Seller Astronics Test Systems products are not specifically designed manufactured or intended to be used as parts assemblies or components in planning construction maintenance or operation of a nuclear facility or in life support or safety critical applications in which the failure of the Astronics Test Systems product could create a situation where personal injury or death could occur Should Buyer purchase Astronics Test Systems product for such unintended application Buyer shall indemnify and hold Astronics Test Systems its officers emp
9. loyees subsidiaries affiliates and distributors harmless against all claims arising out of a claim for personal injury or death associated with such unintended use FOR YOUR SAFETY Before undertaking any troubleshooting maintenance or exploratory procedure read carefully the WARNINGS and CAUTION notices This equipment contains voltage hazardous to human life and safety and is capable of inflicting personal injury RISK OF ELECTRICAL SHOCK DO NOT OPEN CAUTION If this instrument is to be powered from the AC line mains through an autotransformer ensure the common connector is connected to the neutral earth pole of the power supply Before operating the unit ensure the conductor green wire is connected to the ground earth conductor of the power outlet Do not use a two conductor extension cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord 1 Maintenance and calibration procedures sometimes call for operation of the unit with CAUTION 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 devices connected to or in proximity to this instrument are properly grounded or connected to the protective third wire earth ground If the instrument
10. nce the 41P has both mV and pC outputs it is possible to calibrate piezoelectric or charge mode amplifiers A four digit thumb switch combined with an X10 switch allows level selection from 0 1 to 10000 mV and PC available in DC Peak Pk Pk and RMS units An offset feature allows 0 to 12 Volts DC to be added to the AC signals The rechargeable battery provides 8 hours of continuous service and has a low battery indicator on the front panel Astronics Test Systems Introduction 1 1 41P User Manual Publication No 980961 Rev A Features Features include e Millivolts and picocoulomb outputs e 0 1 frequency stability e AC or DC output e DC Pk Pk Pk RMS e 0 1 to 10000 mV pC e High Accuracy e DC Offset Specifications Outputs mV and pC Impedance mV output lt 50 Ohms Level Accuracy 0 5 of reading 0 1 of fullscale 3 LSD at 25 C 0 015 C Frequencies 61 4 140 318 100 and 1000 Hz Frequency Accuracy 0 5 25 C 0 015 C Units DC RMS Pk and Pk Pk Controls Frequency Power Selects desired frequency or power ON OFF Amplitude Selector Four digit thumb switch allows level selection of 0 1 to 999 9 Units Selects DC Peak RMS or Pk Pk DC Offset Variable from 1 to 12 VDC positive or negative depending on position of UNITS switch X1 X10 Switch In X10 position output level is multiplied by 10 Introduction 1 2 Asironics Test Systems Publication No 980961 Rev A 41P User Manual In
11. nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nenn 4 1 Astronics Test Systems 41P User Manual Publication No 980961 Rev A List of Figures Figure 1 1 41P Portable Calibrator o oooccconnccccnonocccccononnncnononccnnnnonnncnanonnnnnano nn nn naar rn nn naar rr nnne nnmnnn 1 1 Figure 4 1 Potentiometer Adjustment Location DiagraM oooonoccccnnnocccinonoccccnanancnnnnnancncnnnannccnnnancncnnnns 4 3 ii Astronics Test Systems Publication No 980961 Rev A 41P User Manual DOCUMENT CHANGE HISTORY Revision Date Description of Change A 1 6 2011 Document Control release Astronics Test Systems 41P User Manual This page was left intentionally blank Publication No 980961 Rev A Astronics Test Systems Publication No 980961 Rev A 41P User Manual Chapter 1 Introduction The Trig Tek 41P Portable Calibrator is a hand held signal generator with accurate frequency and level of mV and pC millivolts and picocoulomb outputs Primarily used in Environmental Test Laboratories and Engine Test cells the 41P is ideal as a sensor simulator for remote calibration of monitoring instrumentation pC OUTPUT mv 61 44 Hz A Y 139 9 Hz A D 318 3 Hz V D A ACCEL IN SEC PORTABLE CALIBRATOR MODEL 41P Figure 1 1 41P Portable Calibrator A crystal controlled oscillator provides five stable selectable frequencies 100 and 1000 Hz 61 4 Hz 140 Hz and 318 Hz Si
12. ns 2 2 Astronics Test Systems Publication No 980961 Rev A 41P User Manual Chapter 3 Performance Test The following performance test procedure is a method of testing the 41P Portable Calibrator unit to verify that it is performing within the manufacturer s specifications The unit uses integrated circuits and very stable parts so should not require calibration more often than every twelve months In the event that a reading is out of tolerance refer to Chapter 4 of this manual Test Equipment Note Equivalent equipment can be used 1 AC DC Digital Multimeter Keithley Model 191 2 Frequency Counter Leader Model LDC 822 Switch Settings Set the FREQUENCY switch to 318 Hz the AMPLITUDE switch to indicate 9999 and the UNITS switch to DC Set the X1 X10 switch for X10 Turn the OFFSET knob to the full counterclockwise position 0 Performance Test Connect the Digital Multimeter to the mV OUTPUT BNC jack Observe an indication of 9999 60 mVDC on the multimeter Set the X1 X10 switch to X1 Set the AMPLITUDE switch to 0000 Observe an indication of 0 5 0 mVDC Set the AMPLITUDE switch to 100 0 Observe an indication of 100 10 5 mVDC Set the AMPLITUDE Switch to 010 0 9 Observe an indication of 10 0 1 5 mVDC 10 Set the AMPLITUDE switch to 900 0 and the UNITS switch to RMS 11 Observe an indication of 900 14 5 mVAC RMS 12 Set the UNITS switch to PEAK Oo NO a FwoRN gt Astronics Test Systems P
13. pC picocoulomb output as these calibrated voltages are used via the capacitor to the pC picocoulomb output Calibration Procedure 4 2 Astronics Test Systems Publication No 980961 Rev A 41P User Manual SOLDER SIDE DC ZERO R3 DC LEVEL R4 BD 6065 REV A Figure 4 1 Potentiometer Adjustment Location Diagram Astronics Test Systems Calibration Procedure 4 3 41P User Manual Publication No 980961 Rev A This page was left intentionally blank Calibration Procedure 4 4 Astronics Test Systems
14. ver of the 41P by taking off the six screws found on the back of the calibrator Pull the cover back off Place the unit in front of you with the front panel down Looking down into the calibrator circuit board you will see the four potentiometers which provide the following adjustments Ri RMS Level R2 PEAK Level R3 DC Zero R4 DC Level Calibration Procedures 1 Connect a digital multimeter to the mV BNC OUTPUT jack 2 Set FREQUENCY switch to 318 Hz Place the UNITS switch to DC Set the DC OFFSET Control completely counterclockwise to 0 4 Setthe AMPLITUDE switch to 0000 Astronics Test Systems Calibration Procedure 4 1 41P User Manual Publication No 980961 Rev A 5 Adjust the DC ZERO Adjustment R3 for a 0 1 0 mVDC indication on the multimeter Set the AMPLITUDE switch to 900 Set X1 X10 switch to X1 Set the DC LEVEL Adjustment R4 for a 900 1 0 mV indication on the multimeter 8 Place the UNITS switch to RMS Make sure the DC OFFSET Control is in the full counterclockwise 0 position 9 Turn the FREQ Switch to 318 Hz 10 Set the RMS Level Adjustment R1 for an indication of 900 1 0 mV RMS on the multimeter 11 Place the UNITS switch to PEAK 12 Set the PEAK Level Adjustment R2 for a 636 3 k 1 0 mV RMS indication on the multimeter Note A high grade 0 3 precision 1000 pF capacitor is in series with the BNC output connector The above calibrations have automatically adjusted the
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