A&D AS3000 Series Instruction Manual
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A&D AS3000 Series Instruction Manual

A&D AS3000 Series Instruction Manual

Dynamic strain amplifier
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Dynamic Strain Amplifier
AS3000 series
AC Strain Amplifier
Instruction Manual
1WMPD4004825

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Summary of Contents for A&D AS3000 Series

  • Page 1 Dynamic Strain Amplifier AS3000 series AC Strain Amplifier Instruction Manual 1WMPD4004825...
  • Page 2 CAUTION (1) Turn off the power when an error occurs in behavior of product. If it is impossible to trace the causes of an abnormal operation, please contact our sales representative. (2) The contents of this manual are subject to change without notice. (3) This manual is copyrighted with all rights reserved.

  • Page 3: Introduction

    Introduction Introduction We thank you for your purchase of our AC strain amplifier AS3000 series. Please read this manual and operate this amplifier correctly when operating this amplifier. This manual presents necessary knowledge to operate correctly and to use safely.

  • Page 4: To Safely Use Products

    To Safely Use Products To Safely Use Products Safety measures - warnings and cautions Be sure to observe the following instructions when using this amplifier. Additionally, the warranty does not cover damages resulting from the actions against instructions, cautions, or warnings mentioned in this manual.
  • Page 5 To Safely Use Products WARNING Use, storage and installation in gaseous atmosphere Never use, store and install this amplifier in a flammable or explosive atmosphere, or an atmosphere containing steam. Such atmosphere causes user and the amplifier fall into danger. Disassembling the frame It is dangerous to remove the frame of this amplifier.
  • Page 6 To Safely Use Products CAUTION Cautions of handling When using this product, always follow the precautions below. Improper handling may lead to erroneous operations and damages. Necessary conditions of user Users who are not familiar with the operation of this product should avoid using it. Conditions of storage environments Store the amplifier in the following storage environments.

  • Page 7: Caution In Handling

    The amplifier is equipped flash memory. Therefore, it is not necessary to replace battery. The bridge power supply (BV) of the AS3000 series adopts AC signal (alternating current voltage). Use the same frequency to the others in the same storage case. The case is unable to mix different frequency.

  • Page 8: Warranty

    Warranty Warranty Warranty - general We ship our products after conducting quality control, which covers from design to manufacturing. It is, however, possible that failures may occur in the products. If the product does not operate correctly, please make a check of the power supply, cable connections, or other conditions before returning this product to us.

  • Page 9: Table Of Contents

    CONTENTS CONTENTS Introduction ................................ 3 Confirming Contents of Package ........................3 To Safely Use Products ............................. 4 Caution in Handling ............................7 Warranty ................................8 Disposing of the Used Product .......................... 8 Overview ............................11 1.1. Features ............................ 11 1.2. Models ............................11 1.3.
  • Page 10 CONTENTS 4.4.1. Compensation of Calibration Value (CAL) ................49 4.5. Technical Wiring of Bridge Circuit .................... 50 4.5.1. In the case of using spring connections ................50 4.5.2. In the case of using differential transformer ................ 50 Block Diagram & Operating Principle .................... 51 5.1.

  • Page 11: Overview

    1.2. Models The 5 models of the AS3000 series are designed in accordance with response frequency and noise- resistant type so as to select a best model for physical quantity measurements using strain gauge and strain-gauge transducers.

  • Page 12: Block Diagrams Of Measurement

    Measurement phenomenon Stress Load, presser, displacement, acceleration, torque Transducer Strain gauge Various transducers Bridge box Measurement instrument AC strain amplifier, AS3000 series Recording & processing Oscilloscope Waveform observation Data recorder Data recording device Digital voltmeter Numeric display DC to 120 Hz...
  • Page 13 1. Overview ー 1.4. Features of Dynamic Strain Amplifier Table 3 Features of dynamic strain amplifier Bridge power supply DC bridge power supply system AC bridge power supply system system DC2 V to 10 V AC0.5 V, 2 V Bridge power supply Voltage sensitivity ±1,000 to 2,000 ±200 to 500...

  • Page 14: Names And Functions Of Each Parts

    Table 5 2.1. Front panel Name Functions, operations and responses Model AC strain amplifier AS3000 series LED bar of 17 dots to monitor output voltage of the OUTPUT When output is within approximate ±100 mV, green LED of the center indicates. Level indicator When output exceeds approximate ±10.5 V, applicable over LED blinks.
  • Page 15 2. Names and Functions of Each Parts ー 2.1. Names and Functions on the Front Panel Name Functions, operations and responses BAL knob When the BAL knob is pressed, the function according to the FNC settings the bridge check function (BRC), cable length compensation function (CLC) and automatic range function (ARG) are applied in order, the automatic balance (resistance balance) is executed.
  • Page 16 2. Names and Functions of Each Parts ー 2.1. Names and Functions on the Front Panel Name Functions, operations and responses FINE knob When the FINE knob is turned, either SLOW fine adjustment or FAST adjustment is executed The measurement range becomes narrow range (high sensitivity) when the FINE knob is turned clockwise.
  • Page 17 2. Names and Functions of Each Parts ー 2.1. Names and Functions on the Front Panel Name Functions, operations and responses of bridge power supply voltage (BV) (of 0.5 V or 2 V) turns on. Bridge power supply The LED Use the [BV] switch of rear panel for the voltage selection.
  • Page 18 2. Names and Functions of Each Parts ー 2.1. Names and Functions on the Front Panel Name Functions, operations and responses Filter knob The ON/OFF of the high-pass filter (HPF) can be changed when pressing the FILTER knob. The HPF LED turns on while HPF is used.

  • Page 19: Names And Functions On The Rear Panel

    2. Names and Functions of Each Parts ー 2.2. Names and Functions on the Rear Panel 2.2. Names and Functions on the Rear Panel Table 6 2.2. Rear panel Name Functions, operations and responses The switch to select the built-in power source for the bridge circuit. INT: This amplifier is specified as master unit and supplies OSC synchronization signal to other slave units.
  • Page 20 2. Names and Functions of Each Parts ー 2.2. Names and Functions on the Rear Panel Name Functions, operations and responses The electrical interface connector between this amplifier and storage case. Function Terminal pair Pin layout from rear view Input of calibration value +CAL AGND OSC BAL -CAL +CAL 1 pin...

  • Page 21: Cal Settings (The Setting Of Calibration Value)

    2. Names and Functions of Each Parts ー 2.3. CAL Settings (The setting of calibration value) 2.3. CAL Settings (The setting of calibration value) The calibration value of the CAL settings is an equivalent value against to the input. It can be store from 1 m/m to 9,999 m/m, 1 µ...

  • Page 22: Fnc Settings

    2. Names and Functions of Each Parts ー 2.4. FNC Settings 2.4. FNC Settings The FNC settings mode stores the following parameters. Table 7 FNC settings list 4th digit 3rd digit 2nd digit 1st digit Cable length Position of decimal point Bridge check function Automatic range function compensation function...

  • Page 23: The Bal Function, Indications In Processing

    2. Names and Functions of Each Parts ー 2.5. The BAL Function, Indications in Processing 2.5. The BAL Function, Indications in Processing When the BAL knob is pressed, the BAL function that is applied with the bridge check function (BRC), cable length compensation function (CLC) and automatic range function (ARG) and automatic balance (resistance balance) in order is executed.

  • Page 24: The Bridge Check Function (Brc), Indications In Processing

    2. Names and Functions of Each Parts ー 2.5. The BAL Function, Indications in Processing 2.5.1. The Bridge Check Function (BRC), Indications in Processing When each arm of the bridge circuit is inspected and the The execution of the bridge check function result is the normal state, is displayed in the numeric display...

  • Page 25: The Cable Length Compensation Function (Clc), Indications In Processing

    2. Names and Functions of Each Parts ー 2.5. The BAL Function, Indications in Processing 2.5.2. The Cable Length Compensation Function (CLC), Indications in Processing The execution of the cable length compensation function The voltage drop rate at the bridge power supply is detected. The indication of the voltage drop rate at the bridge power supply (Example: 98.24%) The bridge power supply voltage is compensated and CLC is finished.

  • Page 26: Measurement Preparation

    3. Measurement Preparation ー 3.1. Connecting Cables 3. Measurement Preparation 3.1. Connecting Cables 3.1.1. Connecting the Input Cable Procedure Paste the strain gauge at measurement point. Connect the strain gauge to bridge box. Connect the cable connected to bridge box and transducer to the input connector on the rear panel.

  • Page 27: The Switching Function Of E Terminal (To Select Connection Of Shield Wire)

    3. Measurement Preparation ー 3.1. Connecting Cables 3.1.3. The Switching Function of E terminal (to select connection of shield wire) As a shield countermeasure adapting to installation environment of bridge box and strain gauges, connect the E terminal to "GND" or "COM" using the E-SW switch ( connected to shield wire of the input cable).

  • Page 28: Consideration For Cable Length

    3. Measurement Preparation ー 3.2. Consideration for Cable Length 3.2. Consideration for Cable Length The measurable frequency range (frequency characteristics) of the strain amplifier depends on frequency of the bridge power supply supplied for the bridge circuit. The AS3603 and AS3803 use the bridge power supply of 5 kHz sine wave, can measure phenomenon of DC to 2 kHz.
  • Page 29 3. Measurement Preparation ー 3.3. Procedure before Measurement Cable length compensation function (CLC) 4-2. The cable length compensation function (CLC) calculates voltage drop that occurs due to conductor resistance of cable between the amplifier and measurement point (portion of bridge circuit), arranges supply voltage of the bridge circuit so as to compensate voltage drop at the amplifier.

  • Page 30: Measurement Range

    3. Measurement Preparation ー 3.3. Procedure before Measurement 3.3.2. Measurement Range The measurement range of the amplifier are as follows: BV: Power supply voltage of bridge circuit Table 8 Measurement range of AS3603, AS3803 µ RANGE LED Range m/m (±10 V full scale) FINE knob BV = 0.5 V BV = 2 V...

  • Page 31: The Bridge Check Function (Brc)

    3. Measurement Preparation ー 3.4. The Bridge Check Function (BRC) 3.4. The Bridge Check Function (BRC) 3.4.1. Overview The bridge check function (BRC) can detect disconnection and short circuit of the bridge circuit, can detect disconnection of the cable, can use for troubleshooting and shortening of measurement time because the disconnection can be easily found.

  • Page 32: Error Indication List Of Disconnection And Short Circuit

    3. Measurement Preparation ー 3.4. The Bridge Check Function (BRC) 3.4.2. Error Indication List of Disconnection and Short Circuit Error indications of disconnection : The normal state, : Disconnection Table 11 Error indications of disconnection Disconnection at arm Disconnection at line Numeric display A-B B-C C-D D-A 1WMPD4004825...
  • Page 33 3. Measurement Preparation ー 3.4. The Bridge Check Function (BRC) Error indications of short circuit : The normal state, : Disconnection Table 12 Error indications of short circuit Short circuit at arm Short circuit at of line Numeric display A-B B-C C-D D-A Bridge circuit Cable Line A...

  • Page 34: Cable Length Compensation Function (Clc)

    3. Measurement Preparation ー 3.5. Cable Length Compensation Function (CLC) 3.5. Cable Length Compensation Function (CLC) When the cable connecting between the amplifier and bridge box is long, the voltage at the bridge box "Table 14 Example of voltage drop rate at bridge drops due to conductor resistance of the cable.
  • Page 35 Settings" for the setting procedure. length compensation function (CLC) to "OFF". Refer to the Concerning the transducer that can connect the AS3000 series, the following list is whether output adjustment resistance is equipped or not. Table 15 Existence of built-in output adjustment resistance...

  • Page 36: How To Use The Storage Case

    3. Measurement Preparation ー 3.6. How to Use the Storage Case 3.6. How to Use the Storage Case "6.1. Storage Case" for basic connection of the storage case and switch operations. Refer to the Multiple amplifiers installed in the storage case can synchronize frequency of power supply. The input of the calibration value (+CAL or -CAL), KEY LOCK and the BAL function of the bridge check function (BRC), cable length compensation function (CLC), automatic range function (ARG) and automatic...
  • Page 37 3. Measurement Preparation ー 3.6. How to Use the Storage Case (B) Synchronization between storage cases Synchronize storage cases that are connected when multiple storage cases are used. Connect the synchronization cable to the I/F interface on the rear panel of the storage case as that "Drawing 18 Connecting multiple storage cases", synchronize them.
  • Page 38 3. Measurement Preparation ー 3.6. How to Use the Storage Case Operation of the I/F interface connector Synchronization signal (OSC) can be input and output between 4 and 5 pin. When 1 and 7 pin are connected (contact input), the input of the calibration value (+CAL) is executed to all amplifiers.

  • Page 39: Measurement System

    4. Measurement System ー 4.1. Precautions before Measurement 4. Measurement System 4.1. Precautions before Measurement The following table describes cautions that should be considered before measurement. Table 16 Precautions before measurement Item Caution General cause Installation environment of strain gauge and bridge box Use soldering at connection point.
  • Page 40 4. Measurement System ー 4.1. Precautions before Measurement Item Caution General cause Noise countermeasure The amplifier is isolated between the input (including shield) and output. 1. Connect lead wire of strain gauge to shield wire and connect shield wire to E terminal of the bridge box.

  • Page 41: Connection Of Input

    4. Measurement System ー 4.2. Connection of Input 4.2. Connection of Input 4.2.1. Examples of Bridge Circuit with Strain Gauge When strain gauge is built into a arm of the Wheatstone bridge circuit, the combination of strain gauges can describe as "Quarter bridge circuit using one gauge configuration", "Half bridge circuit using two gauges configuration"...
  • Page 42 4. Measurement System ー 4.2. Connection of Input Gauge configuration / Wiring of Example Usage and remarks Circuit bridge box Two active strain gauges Simple tension, compression, simple bending. configuration Temperature compensation. Bridge output coefficient N = 1 + ν Actual strain value = Measurement value / N Output(e) Power supply (E)

  • Page 43: Bridge Box

    4. Measurement System ー 4.2. Connection of Input 4.2.2. Bridge Box The composition of the bridge box is terminal box, cable and connector. The terminal box is equipped terminals to connect strain gauges and is built-in 3 high performance resistances. 120 Ω...
  • Page 44 4. Measurement System ー 4.2. Connection of Input (C) Influence of cable length When the cable length connecting to the amplifier from bridge box or transducer is long, bridge voltage "Table 14 Example of voltage drop rate at drops down due to conductor resistance of the cable. Refer to the bridge circuit"...

  • Page 45: Measurement Using Transducer

    4. Measurement System ー 4.2. Connection of Input 4.2.3. Measurement using Transducer The relationship between fundamental physical quantities of this amplifier As an example of single strain gauge configuration, when a steel pillar of length L [m] and cross-sectional area S [m ] that a strain gauge is pasted on it is ∆...
  • Page 46 4. Measurement System ー 4.2. Connection of Input Connection between transducer and this amplifier "Drawing 24 Connector of cable" when combining Connect various transducer and the amplifier like the "Drawing 23 Connection cables" when connecting various transducer and them. There is the cable of the the dynamic strain amplifier.

  • Page 47: Connection Of Output And Load

    4. Measurement System ー 4.3. Connection of Output and Load 4.3. Connection of Output and Load This amplifier equips 2 way outputs of the OUTPUT 1 and OUTPUT 2. OUTPUT 1 The rated output voltage and current are ±10 V, ±5 mA (Load resistance is more than 2 kΩ). The output voltage is indicated at the level indicator Example Connect the voltage input of the recorder (thermal head recorder, data acquisition device, etc.), A/D converter etc.

  • Page 48: How To Read Measurement Value

    4. Measurement System ー 4.4. How to Read Measurement Value 4.4. How to Read Measurement Value This section describes how to read measurement value when recording waveform using the recorder (thermal dot recorder, data acquisition device, etc.) connected to the amplifier. Point B Point A Point A...

  • Page 49: Compensation Of Calibration Value (Cal)

    4. Measurement System ー 4.4. How to Read Measurement Value 4.4.1. Compensation of Calibration Value (CAL) In the case that gauge factor is different Gauge factor of the amplifier is assumed as 2.00. If strain gauge other than 2.00 is used, calculation of true calibration value (CAL) is as follows: 2.00 True calibration value...

  • Page 50: Technical Wiring Of Bridge Circuit

    4. Measurement System ー 4.5. Technical Wiring of Bridge Circuit In the case that the length between bridge box and strain amplifier is long When the length of cable to connect the bridge box and amplifier is long, voltage drops occurs due to conductor resistance of the cable and occurs difference between output voltage and voltage of the "Table 14.

  • Page 51: Block Diagram & Operating Principle

    5. Block Diagram & Operating Principle ー 5.1. Measurement Signal Flow 5. Block Diagram & Operating Principle 5.1. Measurement Signal Flow Input isolation section Drawing 29 Block diagram The explanation of "Drawing 29 Block diagram" The signal is inputted to the INPUT connector from the bridge box or transducer and is amplified using low noise HEAD-AMP.
  • Page 52 5. Block Diagram & Operating Principle ー 5.1. Measurement Signal Flow When the "OSC-INT" is selected for the oscillator circuit, the synchronization signal is generated as stand-alone device and supplies it to external devices. When the "OSC-EXT" is selected for the oscillator circuit, the amplifier receives the synchronization signal from connected external device.

  • Page 53: Options

    6. Options ー 6.1. Storage Case 6. Options 6.1. Storage Case 6.1.1. List of storage case Select a storage case with considering number of measurement channels. Available function will change according to kind of amplifier installed in the storage case. Table 19 List of storage case Type Model...
  • Page 54 6. Options ー 6.1. Storage Case Table 20 Front panel of storage case Name Functions, operations and responses When the [BAL for all units] knob is lowered (turns on), the BAL function the bridge check function (BRC), cable length compensation [BAL for all units] knob function (CLC) and automatic range function (ARG), the automatic balance Bridge check function...
  • Page 55 6. Options ー 6.1. Storage Case Name Functions, operations and responses Connection of power supply cable Accessory power cable can use for AC 100 V system (AC100 V to 120 V) with B plug. AC power supply socket Note Please confirm that your local voltage and receptacle type. Select a voltage at the [AC power supply voltage selector] switch of each amplifier before connecting the power cable.

  • Page 56: Installing The Amplifier Into Storage Case

    6. Options ー 6.1. Storage Case Name Functions, operations and responses Procedure to execute automatic range (ARG) Store "OFF" to the RANGE before executing the automatic range function (ARG). 1. In advance, select a voltage of the automatic range function (ARG). 2.

  • Page 57: Cautions To Use The Rack Mount Case

    6. Options ー 6.1. Storage Case 6.1.5. Cautions to use the rack mount case The rack mount case is the storage case for 19 inch rack. Put the rails both right and left side on rails of the rack, fix it using screws of 4 mounting holes of the front panel.

  • Page 58: How To Use Mixed With Conventional Products

    Even if the AS3000 series and others are installed in a case and use remote operation, each function of the [BAL for all units] knob, [INPUT OF CALIBRATION VALUE for all units] switch and [Key lock for all units] switch can similarly operate.
  • Page 59 6. Options ー 6.1. Storage Case (3) AC voltage settings when products are mixed and used in a storage case Select single power supply voltage of all products either AC 100V system (AC100 to 120 V) or AC 200 V system (AC200 to 240 V) when multiple products that can select power supply voltage are installed in the storage case.

  • Page 60: Maintenance

    7. Maintenance ー 7.1. Confirmation Items 7. Maintenance 7.1. Confirmation Items The product is shipped after strict inspection, but motion error may occur due to natural failure of parts and performance degradation due to deterioration and malfunction, defective of wiring. When motion error occurs, it necessary to investigate cause and repair them.
  • Page 61 7. Maintenance ー 7.1. Confirmation Items In case of error 2 Output doesn't get. (Indicator doesn't swing) Is measurement range set to "OFF" ? Does "OFF" of the RANGE LED light ? Yes: Change the measurement range using the RANGE knob Set the RANGE LED except "OFF"...

  • Page 62: Changing Ac Voltage Of Power Supply

    7. Maintenance ー 7.2. Changing AC Voltage of Power Supply 7.2. Changing AC Voltage of Power Supply This section describes how to switch AC power supply voltage. Specify a power supply voltage in accordance with the following procedure. Set the [Power] switch to "OFF".

  • Page 63: Specifications

    8. Specifications ー 8.1. Specifications 8. Specifications 8.1. Specifications Table 24 Specification list of the AS3000 series Item Specifications 1 channel / unit Number of channels 60 to 1,000 Ω Bridge resistance 2.00 gauge factor AC 0.5 V, 2 V...
  • Page 64 8. Specifications ー 8.1. Specifications Item Specifications The function adjusts automatically output voltage using the RANGE and FINE so that it becomes to specified voltage value when inputting the preset calibration Automatic range function value from internal calibrator. The output voltage (of OFF, 5 V, 8 V, 10 V) can be selected at the FNC settings. AS3503, AS3603, AS3803, AS3903 : ±0.1 % of RANGE Non-linearity...
  • Page 65 8. Specifications ー 8.1. Specifications Item Specifications Functions of the I/F connector on the rear pannel : +CAL and -CAL, BAL function bridge check function (BRC), cable length Remote function compensation function (CLC), automatic range function (ARG), automatic balance (resistance balance) , RANGE OFF and KEY LOCK.

  • Page 66: Reference

    9. Reference ー 9.1. Characteristics of Frequency and Phase 9. Reference 9.1. Characteristics of Frequency and Phase Example: Frequency characteristics of AS3603 and AS3803 Amplitude [dB] 10 Hz 30 Hz 100 Hz 300 Hz 500 Hz W/B(2kHz) (2kHz) 100Hz 300Hz 500Hz 30Hz 10Hz Frequency [Hz]...
  • Page 67 9. Reference ー 9.1. Characteristics of Frequency and Phase Example: Frequency characteristics of AS3503 and AS3903 Amplitude [dB] 10 Hz 30 Hz 100 Hz 500 Hz 3 kHz (5kHz) W/B(5kHz) 3kHz 500Hz 10Hz 30Hz 100Hz Frequency [Hz] 1000 10000 Phase delay Example: Phase characteristics of AS3503 and AS3903 [degree] 10 Hz...
  • Page 68 9. Reference ー 9.1. Characteristics of Frequency and Phase Example: Frequency characteristics of AS3703 Amplitude [dB] 10 Hz 30 Hz (10kHz) 100 Hz 500 Hz 3 kHz W/B(10kHz) 500Hz 3kHz 10Hz 100Hz 30Hz Frequency [Hz] 1000 10000 100000 Example: Phase characteristics of AS3703 Phase delay [degree] -100...

  • Page 69: List Of Option Cables

    9. Reference ー 9.2. List of Option Cables 9.2. List of Option Cables Table 25 List of option cables Name View Pin layout Remarks A ......+BV Length B ....-Input Bridge box Outside diameter φ9.6 C ......-BV Model 5370A (120 Ω) 0.5 mm Core wire D ....

  • Page 70: Dimensions

    9. Reference ー 9.3. Dimensions 9.3. Dimensions 9.3.1. Amplifier unit AS3603 AS3803 49.5±0.5 (12.5) 252±1 (12.5) 143±1 135±0.2 (128) AS3503 AS3703 AS3903 49.5±0.5 (12.5) 252±1 (12.5) 143±1 135±0.2 (128) Drawing 37 Amplifier unit 1WMPD4004825...

  • Page 71: Panel Cutout Dimensions

    9. Reference ー 9.3. Dimensions 9.3.2. Panel cutout dimensions +0.3 +0.3 135±0.2 2-M3 Drawing 38 Panel cutout dimensions 1WMPD4004825...

  • Page 72: Bench Top Case

    9. Reference ー 9.3. Dimensions 9.3.3. Bench top case Model Name AS16-104 4CH bench top case AS16-105 6CH bench top case AS16-106 8CH bench top case Drawing 39 Bench top case 1WMPD4004825...

  • Page 73: Rack Mount Case

    9. Reference ー 9.3. Dimensions 9.3.4. Rack mount case Model Name AS16-107 8CH rack mount case Rack rail 24.5 4-φ6×11 elongate hole 24.5 Rack rail Rack rail Drawing 40 Rack mount case 1WMPD4004825...

  • Page 74: Fan Unit

    9. Reference ー 9.3. Dimensions 9.3.5. Fan unit Rack case 8CH rack mount case Fan unit Drawing 41 Fan unit 1WMPD4004825...

  • Page 75: Bridge Box (5370A Type, 5373A Type)

    9. Reference ー 9.3. Dimensions 9.3.6. Bridge box (5370A type, 5373A type) 4-φ6 mounting hole (10) 42±1 (10) 97±1.5 (2800) 24.5 (41.8) 27.5±1 Drawing 42 Bridge box 1WMPD4004825...

  • Page 76: For Prolonged Use

    10. For prolonged use For prolonged use A&D Company, Limited Thank you for purchasing an A&D Company, Limited. product. For prolonged use that you have purchased the product, we recommend the following maintenance services. Warranty period The warranty period for this product is one year from the date of purchase. If malfunction to be ascribable to the our responsibility occurs, the product will be repaired free of charge.
  • Page 77 MEMO 1WMPD4004825...
  • Page 78 MEMO 1WMPD4004825...
  • Page 79 The changes or modifications not expressly approved by the party responsible for compliance could void the userʼs authority to operate the equipment. AS3000 series AC Strain Amplifier Instruction manual 1WMPD4004825...
  • Page 80 Back cover: A&D Global A&D Company, Limited 3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, JAPAN Telephone: [81] (3) 5391-6132 Fax: [81] (3) 5391-1566 A&D ENGINEERING, INC. 47747 Warm Springs Blvd, Fremont, California 94539, U.S.A. Tel: [1] (800) 726-3364 Weighing Support:[1] (888) 726-5931 Inspection Support:[1] (855) 332-8815 A&D INSTRUMENTS LIMITED Unit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire OX14 1DY United Kingdom...

This manual is also suitable for:

As3803As3903As3503As3603As3703

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