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Astronics Trig-Tek 203M User Manual

Charge amplifier
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Trig-Tek™
203M
Charge Amplifier

User Manual

Publication No. 980978 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.

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Summary of Contents for Astronics Trig-Tek 203M

  • Page 1: User Manual

    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.
  • Page 2 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 batteries, damage from battery leakage, or problems arising from normal wear, such as mechanical relay life, or failure to follow instructions.
  • Page 3 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 quotations from a competitive source or used for manufacture by anyone other than Astronics Test Systems.

  • Page 4: For Your Safety

    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. 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.

  • Page 5: Table Of Contents

    LP FILTER Switch ........................2-3 HOLD Circuit ..........................2-3 ALARM Circuit ..........................2-3 RMS-PEAK Switch ........................2-4 Chapter 3 ......................... 3-1 Performance Test ......................3-1 Test Equipment ..........................3-1 Performance Test Procedure ......................3-1 Control Settings ..........................3-2 Astronics Test Systems...
  • Page 6 203M User Manual Publication No. 980978 Rev. A Chapter 4 ........................4-1 Calibration Procedure ....................4-1 Test Equipment ...........................4-1 Switch Settings ...........................4-1 Charge Converter and Displacement Adjust ................4-2 DVM Adjustments ........................4-2 Calibrator Adjustments .......................4-3 Astronics Test Systems...
  • Page 7 Publication No. 980978 Rev. A 203M User Manual List of Figures Figure 1-1, 203M Charge Amplifier ....................1-2 Figure 4-1, 203M Adjustment Locations .................... 4-3 Figure 4-2, DVM Adjustment Resistor R1 ..................4-4 Astronics Test Systems...
  • Page 8 203M User Manual Publication No. 980978 Rev. A This page was left intentionally blank. Astronics Test Systems...
  • Page 9 Publication No. 980978 Rev. A 203M User Manual DOCUMENT CHANGE HISTORY Revision Date Description of Change 06/14/2011 Document Control release Astronics Test Systems...
  • Page 10 203M User Manual Publication No. 980978 Rev. A This page was left intentionally blank. Astronics Test Systems...

  • Page 11: Chapter 1

    19-inch cabinet space, seven inches high, or in a single module cabinet. Features include: • pC/g or mV/g • Accel, Vel, Displ • 1 to 110 pC or mVg • DVM Indictor • Alarm • Level Hold • Built-in Calibrator Astronics Test Systems Introduction 1-1...

  • Page 12: System Description

    10 mV/g or 100 mV/g with selectable peak or RMS indication. It also integrates the input signal to provide velocity and displacement outputs with sensitivities of 10 mV/unit. Introduction 1-2 Astronics Test Systems...

  • Page 13: System Specifications

    (Stability Temperature) Will operate with any input impedance Shunt Resistance above 100k Ohms. 12dB per octave roll off with 3dB cutoffs selectable for 3 kHz, 10 kHz, and 30kHz. Filtering (Other cutoff frequency supplied on request) Astronics Test Systems Introduction 1-3...

  • Page 14: Acceleration Outputs (Nor And Aux)

    Less than 50 Ohms (10 mA max). ±3% 5 Hz to 30000 Hz of a –6dB/oct slope, Frequency Response in series with selected input Low Pass Filter. Dynamic Range 46 dB below full scale. DC Offset Less than 5 millivolts. Introduction 1-4 Astronics Test Systems...

  • Page 15: Displacement Output

    10 Volts DC full scale (meter range). Impedance Less than 50 Ohms (10 mA max) Sensitivity 10 Volts for selected full scale. Linearity 1% full scale. Amplitude Accuracy 2% of reading ±1% FS. Dynamic Range (Accel) 60 dB below full scale. Astronics Test Systems Introduction 1-5...

  • Page 16: Controls

    Selects either single-ended or differential SE-DIFF Switch configuration at the input. The READ position connects the level stored in the Peak-Hold circuit to the meter, READ-HOLD Switch and the ERASE position resets the Peak- Hold circuit to zero. Introduction 1-6 Astronics Test Systems...

  • Page 17: Indicators

    115 or 230, 10% Volts, 50-400 Hz, 3 watts nominal. Size 7 inches high x 2.7 inches wide x 13 inches deep; up to six units mounted side by side in a standard 19-inch wide rack. Astronics Test Systems Introduction 1-7...
  • Page 18 203M User Manual Publication No. 980978 Rev. A This page was left intentionally blank. Introduction 1-8 Astronics Test Systems...

  • Page 19: Chapter 2

    10, 100, or 1000 units, and a switch to select either Acceleration g’s, Velocity IPS, or Displacement MILS. Units Switch The UNITS switch selects g’s, IPS, or MILS as the UNITS to be displayed on the front panel meter and at the DC OUTPUT jack. Astronics Test Systems Operation 2-1...

  • Page 20: Meter Range Switch

    CAL mode is selected, either by the front panel switch or the remote CAL CONT line, the CAL LIGHT just to the right of the switch illuminates, and the meter should read 100 ±3 g’s or 100 ±5 MILS. Operation 2-2 Astronics Test Systems...

  • Page 21: Mv/G Output Switch

    It should be noted that the alarm level is interconnected through the METER RANGE switch. For instance, if 8 g’s is set on the 10 g’s range, it will become 80 g’s if the 100 g range is selected. Astronics Test Systems Operation 2-3...

  • Page 22: Rms-Peak Switch

    When the input is random noise, the RMS position scale the meter to read RMS units, and because the detector is a true RMS converter, it will read either sinusoidal or random inputs correct in RMS units. Operation 2-4 Astronics Test Systems...

  • Page 23: Chapter 3

    VAC power when set up for 110 VAC operations. Plug the unit into the chassis and turn the POWER Switch ON; this is a single switch at the left side of the chassis. The meter displays, and the POWER LED will illuminate. Astronics Test Systems Performance Test 3-1...

  • Page 24: Control Settings

    18. The indication on the AC Voltmeter will be 0.707 ±0.02 VRMS, and the front panel will indicate 100 ±3 MILS. 19. Place the UNITS switch to g’s, depress the ALARM SET switch, and set the ALARM adjust for an indication of 93 g’s. Performance Test 3-2 Astronics Test Systems...
  • Page 25 1 g for any setting. 35. Place the SENSITIVITY switch to 10-110. The meter indication will remain 100 ±3 g’s. 36. Place the UNITS switch to MILS. The meter will indicate 100 ±3 MILS. Astronics Test Systems Performance Test 3-3...
  • Page 26 203M User Manual Publication No. 980978 Rev. A This page was left intentionally blank. Performance Test 3-4 Astronics Test Systems...

  • Page 27: Chapter 4

    Power Cord Assy. 1535 to the power receptacle. 4. Connect to 50 to 400 Hz, 110 or 220 Volt power. 5. Set the 110-220 switch, S1, as required to accommodate the power used. Astronics Test Systems Calibration Procedure 4-1...

  • Page 28: Charge Converter And Displacement Adjust

    5. Set the DVM FS AJ R1 (Figure 4-2) on the front panel meter assembly for a 1000 ±8 counts on the front panel meter. (Adjust the resistor through the hole on front panel board.) Calibration Procedure 4-2 Astronics Test Systems...

  • Page 29: Calibrator Adjustments

    6. Set the CAL ADJUST R9 for 100.0 ±0.8 g’s counts indication on the front panel meter. 7. Set the Dial for 1.00. 8. Set the DIAL CAL ADJ R2 for a 100.0 ±0.8 g’s counts indication on the front panel meter. Adjustment Figure 4-1, 203M Adjustment Locations Astronics Test Systems Calibration Procedure 4-3...
  • Page 30 203M User Manual Publication No. 980978 Rev. A Figure 4-2, DVM Adjustment Resistor R1 (Adjust R1 though hole in board) Calibration Procedure 4-4 Astronics Test Systems...

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