A&D AS2503 Instruction Manual
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A&D AS2503 Instruction Manual

A&D AS2503 Instruction Manual

Dc bridge system dynamic strain amplifiers
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AS2503／AS2603
DC BRIDGE SYSTEM
DYNAMIC STRAIN AMPLIFIERS
INSTRUCTION MANUAL
1WMPD4003356

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Summary of Contents for A&D AS2503

  • Page 1 AS2503／AS2603 DC BRIDGE SYSTEM DYNAMIC STRAIN AMPLIFIERS INSTRUCTION MANUAL 1WMPD4003356...
  • Page 3 DC BRIDGE SYSTEM DYNAMIC STRAIN AMPLIFIERS AS2503／AS2603 OPERATION MANUAL Cautions - Read this manual carefully before using this product. - Place this manual within reach of the AS series amplifier.

  • Page 5: Examining Contents In Package

    ▲ ▼ Before Using Thank you for your purchase of our product strain amplifier AS2503/AS2603. Please read this manual carefully before operating this instrument. This manual provides the information necessary to operate the instrument safely. This manual covers basic functions and operations of the AS series amplifiers and handling precautions. Place this manual within reach of the AS series amplifier.

  • Page 6: Precautions

    PRECAUTIONS Observe the following warning and cautions when using amplifiers. The warranty does not apply any damage caused by the use against instructions, warnings, and cautions. To safely use the amplifiers, the following statements are used in this manual to call the readers' attention.
  • Page 7 When connecting the signal wire, check whether the signal wire is being properly protected from leak signals from the environment or common-mode voltage in order to avoid electrical shock or burning. Note that the AS2503 does not have isolation between the input block and output block.
  • Page 8 CAUTION  Caution in Handling When using this amplifier, always follow the precautions below. 1) Users Users who are not familiar with the operation of this instrument should avoid using it. 2) Use and storage environment The storage temperature and humidity of this instrument is –20 to 70C and 10 to 90%, respectively.
  • Page 9 CAUTION IN HANDLING Read this manual carefully before using the amplifier. 1. Do not apply neither voltage nor current to the output terminal of this amplifier from external source. 2. Use this amplifier with power supply voltages from 85 VAC to 132 VAC, 180 VAC to 264 VAC, or 10 VDC to 30 VDC.

  • Page 10: Warranty

    WARRANTY 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 11: Disposing Of Your Used Our Product

    Disposing of your used our product - Disposing of your used our product - In the European Union EU-wide legislation as implemented in each Member State requires that used electrical and electronic products carrying the mark(left) must be disposed of separately from normal household waste. This include electrical accessories, such as chargers or AC adaptors.

  • Page 12: Table Of Contents

    TABLE OF CONTENTS ················································································· 1 Before Using Examining Contents in Package ························································· 1 Cautions ······················································································· 1 PRECAUTIONS PRECAUTIONS ················································································ 2 Warning ························································································· 3 to 4 Caution ························································································· 5 Cautions In Handling Cautions In Handling ········································································· 6 Warranty Warranty ······················································································· 7 Limited Warranty ·············································································...
  • Page 13 3. Before Measuring 3.1 Cable Connections ······································································· 3-1 3.1.1 Input Cable Connections ························································· 3-1 3.1.2 Power Supply Cable and Output Cable Connections ····················· 3-2 3.2 Operation before Measuring ··························································· 3-2 3.2.1 Standalone Operation ··························································· 3-2 to 3-3 3.2.2 Measuring Range ······························································ 3-4 to 3-5 3.3 Wire Disconnection Check Function ··················································...
  • Page 14 7.1 Items to Be Checked ··································································· 7-1 to 7-2 7.2 How to Replace Fuse ·································································· 7-3 .3 Changing AC Power Supply Voltage ··············································· 7-4 8.Specifications 8.1 AS2503 Specifications ································································· 8-1 to 8-3 8.2 AS2603 Specifications ································································· 8-4 to 8-6 9. References 9.1 Frequency and Phase Characteristics ·············································...

  • Page 15: Overview

    2VDC to 10VDC for bridge power supply is used and high frequency responses (DC to 500 kHz in AS2503 and DC to 100 kHz in AS2603) are realized, measurement of high-speed strain like shocks is possible. Also these amplifiers can be used as a DC amplifier, featuring 10,000X in AS2503 and 5,000X in AS2603 of the maximum gain.

  • Page 16: Major Features Of Amplifiers

    1.2 Major Features of Amplifiers The following table lists the overview of dynamic strain amplifiers AS2503 and AS2603. Frequency Sensitivity Model Configuration Balance Major application response (at BV = 2V) - Measurement of high-speed 10V/1,000×10 AS2503 DCV Unit Auto DC～500kHz...

  • Page 17: Block Diagram Of Measurement

    1.4 Block Diagram of Measurement The following diagram illustrates a typical measurement system that broadly covers a variety of factors including signal amplitude, frequencies, and measuring time. Phenomena Sensor Instrument Recorder & Analyzer Oscilloscope Waveform 　 　 Data Recorder Data Recording Digital Voltage Digital Recording Meter...

  • Page 18: Features Of Dynamic Strain Amplifiers

    Wire-length adjustment: patent protected Wire-length adjustment: patent protected Using as DC amplifier Possible Possible +++: Best suited ++: Suited +: Usable but not suited NA: Not suited or cannot be used Table 1-4 Functional Difference between AS2503 and AS2603 １－４...

  • Page 19: Names And Functions Of Parts

    ⑭ ⑱ ⑮ ⑯ ⑲ ⑰ Figure 2-2 Figure 2-1 AS Amplifier Back View AS Amplifier Front View (AS2503) 2.1 Names and Functions of Parts on Front Panel (See 2-1.) Number Name Function ① Model Model indication ② Level meter (17-dot LED) This level meter monitors the output voltage of OUTPUT1 3 .
  • Page 20 Number Name Function ③ Digital monitor (Four digits 1/2) This monitor digitally displays the output voltage of OUTPUT2 4 . When OUTPUT2 level adjustment volume ⑱ is turned clockwise, [10.000] is indicated in response to an output of 10 V. In combination with ⑱, 2 kN can be displayed as [2.000] when the transducer converting 2 kN to 10 V is used.
  • Page 21 As measuring range fine tuning knob ⑨ and measuring range selection functions together in AS2503, the range automatically shifts when signals exceed the measuring range. See measuring range LED ⑪. Fine tuning LED ⑩ comes off upon range shift. On the other hand in AS2603, as measuring range fine tuning knob ⑨...
  • Page 22 This LED comes on while fine tuning is made. ⑪ Measuring range LED This LED indicates measuring range. The measuring ranges of AS2503 and AS2603 are explained in 3-4 Measuring Range and 3-5 Measuring Range. ⑫ Calibration value setup knob Indicated value is calculated value based on input.
  • Page 23 Number Name Function ⑰ Low-pass filter LED This LED indicates the cut-off frequency for the low-pass filter. W/B (wideband) signifies OFF for the low-pass filter. ⑱ OUTPUT2 level control volume The output voltage for OUTPUT2 can be controlled from the rating 10 V to 1 V. Control the voltage with the attached screw driver.

  • Page 24: How To Set Calibration Value (Entering Strain)

    2.2 How to Set Calibration Value (CAL) (Entering strain) The indicated value is calculated value based on input. The value can be set from 1με to 9999με by a step of 1με (=10 ). Values should be set for each digit (Figure 2-3). Pressing calibration value setting knob ⑫...

  • Page 25: How To Set Calibration Value (Entering Voltage)

    2.3 How to Set Calibration Value (CAL) (Entering voltage) To change the unit from mV to µ and µ to mV, depress calibration value setting knob ⑫ (See Figure 2-5) for one second or longer. Then, the indication of LED changes (e.g., fromµ to mV). You can change the unit by depressing the calibration value setting knob ⑫...

  • Page 26: Indication Upon Balancing

    2.4 Indication upon Balancing Pressing BAL knob ④ executes wire disconnection check and wire length adjustment, thus automatically realizing both resistance balancing and capacitance balancing. While the wire disconnection check and wire length adjustment functions are effective (ON), the following indications appear.
  • Page 27 ① ② －ｆ ③ ④ ⑥ ⑤ ⑦ ⑧ ⑩ ⑨ ⑪ ⑫ ⑬ ⑭ ⑱ ⑮ ⑯ ⑰ ⑲ Figure 2-2 Rear view of Figure 2-1 Front view of AS amplifier unit AS amplifier unit (AS2603) 2.5 Rear Panel: Names and Functions (See Table 2-2) Number Name Function...
  • Page 28 Number Name Function The output voltage and current are 10 V and 10 mA, Output connector 2 (OUTPUT2) respectively. The output level can be controlled from 10 V to 1 V with OUTPUT2 level adjustment volume ⑱ on the front panel. Note If output of current from 4 to 20 mA is required, modification from the voltage output to the current...

  • Page 29: Selecting Bridge Supply

    2.6 Selecting Bridge Supply Users can change bridge voltage by the voltage pinch on the back panel. Bridge supply: 2V, 3V, 5V, 9V and 10V Set the slit of the pinch at the number of selected voltage. Select Pinch:Set the slit of the pinch to select bridge voltage.

  • Page 31: Before Measuring

    (4) Connect the bridge box or a transducer to the input connector 2 on the rear panel. For connection information, see Cautions before Measuring on page 4-1. Since the AS2503 and AS2603 automatically adjust the voltage drop generated between the bridge and the amplifier through the wire length adjustment function, high-accuracy measurement is possible.

  • Page 32: Power Supply Cable And Output Cable Connections

    3.1.2 Power Supply Cable and Output Cable Connections (See Figure 3-2) (1) Use the power supply cable for 100 VAC (Model 0311-5112 for 110 VAC or higher), 200 VAC, or 12 VDC depending on the voltage. (2) Connect the output cable appropriate to the recorder to be used. (3) For more information, refer to Connection between Output and Load on page 4-12.
  • Page 33 ⑫ first, and then start measuring. The measuring range can be checked after applying a calibration value using the calibration value application switch ⑭. The measuring ranges for AS amplifiers are described on page 3-4 for AS2503 and page 3-5 for AS2603. ３－３...

  • Page 34: Measuring Range

    ±10,000 to ±25,000 Table 3-1 Measuring Range of AS2503 As measuring range fine tuning knob ⑨ of AS2503 functions in tandem to measuring range selection. Accordingly, if the signal exceeds the measuring range, the range automatically changes (See measuring range LED ⑪). Fine tuning LED ⑩ comes off upon switching.
  • Page 35 AS2603 Measuring Range Measurable Strain (×10 strain) Measuring Range (Measuring Range BV=2V BV=3V Fine Tuning Knob ⑨ LED ⑪) 1X to 2.5X continuous tuning ±2,000 to ±5,000 ±1,333 to ±3,333 1X to 2X continuous tuning ±5,000 to ±10,000 ±3,333 to ±6,666 1X to 2X continuous tuning ±10,000 to ±20,000 ±6,666 to ±13,333...

  • Page 36: Wire Disconnection Check Function

    3.3 Wire Disconnection Check Function 3.3.1 Overview The wire disconnection check function of the AS amplifiers can detect a bridge wire disconnection, short, or cable disconnection. Since disconnected portions can easily be found, testing personnel can reduce the measurement preparation time or prepare countermeasures against wire disconnections.

  • Page 37: Error Indication List Upon Wire Disconnection And Short

    3.3.2 Error Indication List upon Wire Disconnection and Short Error indication in the case of disconnection Disconnection on bridge circuit Disconnection on cable INDICATION （Digital Monitor③） Good ○ ○ ○ ○ ○ ○ ○ ○ E-ab × ○ ○ ○ ○...
  • Page 38 3.4 Wire Length Adjustment Function If the length of the cable connecting between the bridge and amplifier is long, the bridge resistance is lower due to the conductor resistance of the cable. For the rate of the bridge voltage drop, refer to table 3-3 below.
  • Page 39 CAUTION The AS Series amplifiers are provided with the wire length adjustment function that corrects the voltage drop of excitation voltage supplied from the amplifier if the wire length between the amplifier and bridge circuit for strain measurement. This functionality is based on the assumption that the transducer or bridge box is configured by the Wheatstone bridge circuit.

  • Page 40: Wire Length Adjustment Function

    3.5 How to Switch Special Function Setting By switching dip switches on the bottom face of the AS amplifier, settings for special functions can be made. - ON/OFF for wire length adjustment - ON/OFF for wire disconnection check function Front panel - Decimal point shift for digital monitor ③...

  • Page 41: Cases

    3.6 Cases 3.6.1 Names of Case Elements AC Power Input AC Power Fuse DC Power Fuse DC Power Input Interface Connector Ground terminal Fig.3-7 ・Use standard AC power cord (47326) that is attached to the case as a standard for 100 VAC power supply.
  • Page 42 Figure 3-8 Rear Panel of case C) Balancing for all units ① Hold down the switch for BAL for all units ①. You can execute the wire disconnection check, wire length adjustment, and auto-balancing for all units in a case. For a wire disconnection check and wire length adjustment, ON/OFF setting (selectable with dip switches) for each unit is also effective.
  • Page 43 D) Switch for application of calibration values to all units ② Hold down the switch to apply calibration value ②. A calibration value is set to all amplifier units. This switch has priority over the calibration value application switch ⑭ in each amplifier unit regardless of the position of the switch (+ ...

  • Page 44: Heat Release For Case

    3.6.3 Heat Release for Case A) Using standalone rack-mounting case CAUTION As a rack-mounting case does not have legs, avoid placing it on a desk or floor. Otherwise, heat cannot be released, resulting in damages to amplifiers. It should be properly mounted. Rack-mounting case 20mm and over Floor or Desk...
  • Page 45 8CH Rack-mounting case Cabinet Fan unit A Fan unit B Figure 3-12 Disposition of fan If fan unit A may prevent upward air flows (when the depth differs as shown with a slant), fan unit A should be mounted directly above this position. Through this fan layout, fan unit A ventilates, and fan unit B enhances natural convection.

  • Page 47: Measurement

    ４. MEASUREMENT 4.1 Cautions before Measuring (Refer to Table 4.1) Before starting measurement, check the following points: Items Cautions Reasons Installation The joints must be soldered, and Prevents poor connections, noise, environment the connectors must be properly connected. and instability in operation. for strain gauges The insulation resistance of strain gauges must Prevents instability in operation as well...
  • Page 48 The housing case must be properly grounded Prevents noise from entering (when the system operates on AC power). the equipment. Operation of Select the bridge supply voltage in accordance Prevents measurement errors due dynamic strain with the strain gauge to be used. to generation of heat in strain gauges.

  • Page 49: Input Connection

    4.2 Input Connection 4.2.1 Examples of Strain Gauge Bridge Configurations When incorporating one or more strain gauges into the four arms of a bridge, a quarter-, half- or full-bridge configuration can be used. These configurations can further be classified into same sign equivalent values, different sign equivalent values, and different sign constant proportional values according to the type of strain applied to the strain gauge(s).
  • Page 50 Circuits Bridge Examples Bridge Box Wiring Remarks Configurations Methods -Suited for where simple tension, compression, or bending force is applied One-gauge -Suited for where changes in configuration ambient temperature are small -Calculated using the calibration value as it is -Suited for where simple tension, compression, or bending force One-gauge, is applied...
  • Page 51 -Detects tension and compression strain Opposite-arm, -Eliminates bending strain two-active-gaug -Effects of changes in temperature are doubled configuration -Calculated using calibration value x 1/2 or signal value x 1/2 -Detects tension and compression strain -Eliminates bending strain Opposite-arm, -Effects of changes in two-active , temperature are doubled three-wire...

  • Page 52: Bridge Box

    4.2.2 Bridge Box The bridge box comprises a terminal box, a cable, and a connector. The terminal box has terminals for connecting strain gauges and contains three high-precision resisters (e.g., 120  for 5370). The bridge circuit is formed by connecting one strain gauge or more to the terminals. The following four types of bridge boxes are now available.
  • Page 53 a. As shown in Fig. 4.1, pins A and C are provided for the bridge power supply, and pins B and D are provided for the input to the amplifier unit. Pin E is the common terminal. b. This is a bridge for measuring strain. Various methods are used for connecting strain gauges.

  • Page 54: Measurement With Transducer

    4.2.3 Measurement with Transducer In most strain-gauge-based transducers, the physical amount to be measured is applied to an elastic part, and the resulting deformation is converted into an electrical amount. This elastic part is called the sensing part. The sensing part is made of material which exhibits a higher limit of proportionality and less creep and hysteresis.

  • Page 55: When Using As Series Amplifire As Dc Amplifire

    e. Do not place transducers and their interconnecting cables where they will be exposed to strong electric and/or magnetic fields. f. Table 5 lists the maximum bridge voltage that can be applied to the transducer, which is calculated based on the bridge allowable current and drift. For more details, see instruction manual.
  • Page 56 The allowable input voltage is ±8V or less b) The common mode voltage is ±5 V or less c) For the relation between input range and gain, refer to the following tables. AS2503 Measuring range Measuring range (Gain) (Measuring range...
  • Page 57 The input ranges of AS2503 and AS2603 are ±１２５mＶ for the gain of 80X and ain oＶ for the gain of 40X. To input high voltage than those voltages, use 1/100 attenuator probe (47322). However, the frequency response will be DC to 30 kHz when the attenuator probe is used.

  • Page 58: Connection Of Output To Load

    4.3 Connection of Output to Load Two types of outputs are available; ＯＵＴＰＵＴ １ and ＯＵＴＰＵＴ ２. (1) OUTPUT 1 ３ Delivers a voltage of +/-10 V and a current of +/-5 mA (into a load of 2 ｋ or more), allowing voltage-input type instruments such as thermal dot recorders and data acquisition devices to be connected to OUTPUT 1.

  • Page 59: How To Read Measured Values

    Care must be taken concerning the following points for connection to a data recorder. (1) Where direct connections can be made If a data recorder is capable of accepting a signal of more than 20 Vｐ-ｐ (+/-10V), it can be directly connected to the amplifier unit.
  • Page 60 b (Amplitude at point B) Measured value at point B={ } x Set CAL value a (Amplitude of calibration value) (1) Measurement with strain gauges Set CAL value: 500 m/m Deflection of CAL waveform: 10 mm Deflection at point B: 22 mm Amount of strain at point B =｛22/10｝...

  • Page 61: Correction Of Calibration (Cal) Values

    The formula is as follows: Calibration value for 10 strain of the amplifier Calibration value of physical amount = x Rated capacity Rated output value (10 strain) The physical amount can be calculated as follows: Calibration value of physical amount: 250 kg (500 m/m） Deflection of CAL waveform: 10 mm Deflection at point Ｂ: 22 mm The physical amount can be calculated as follows:...
  • Page 62 For details, refer to the remarks in the “Wheatstone Bridge Connections Table” on pages 4.4-4.5. *Although transducers are generally based on the full-bridge configuration, their output is made to match the quarter-bridge configuration. (3) Where the distance from the bridge box to the amplifier unit is long If the cable from the bridge box or a transducer to the amplifier unit is long, the bridge supply will drop due to the conductor resistance of the cable.

  • Page 63: Special Applications

    4.5 Special Applications This section introduces examples that configure two or more bridges using a single power supply and calculate value of addition, average, and subtraction using several transducers. 4.5.1 Configuring two or more bridges using a single power supply Ｄ...
  • Page 64 Ｄ Dynamic strain amplifier Ｄ Dynamic strain amplifier Ｃ Ａ Ｃ Ａ Ｂ Ｅ Ｂ Ｄ Ｅ Ａ Ｃ Ｄ Ｂ Ｅ Output Ａ Ｃ Output Ｄ Ｂ Ｅ Ａ Ｃ Ｅ Ｂ Ｅ Ｅ Figure 4-13 Figure 4-14 (3) When calculating value of mean (Figure 4-15) Dynamic strain amplifier Ｄ...
  • Page 65 Adjusting ＣＡＬ Ｍｏｎｉｔｏｒ Circuit Bridge ５Ｖ Power　Supply （ＢＶ） Connector DC１ ２ V AC100V（ 85～ 132V） Ｉｓｏｌａｔｅｄ AC200V（ 180～ 264V） Ｐｏｗｅｒ Ｓｕｐｐｌｙ SELECT Figure 5-1 AS2503 Block Diagram INPUT Signal RANGE RANGE HEAD Selection OUTPUT1 FINE Isolation　Circuit ＬＰＦ ＨＰＦ OUTPUT2 Bridge　Check Analog　to　Digital...
  • Page 66 (C BAL), only the signal of which is fed to the subsequent stage. The signal which has been amplified through a main amplifier, and then outputted via a LPF(Low-pass Filter) and HPF(High-pass Filter) at AS2503. The signal which has been amplified through a main amplifier, and then outputted via a signal isolation circuit and LPF and HPF at AS2603.

  • Page 67: Optional Functions

    ６. Optional Functions 6.1 Case Function and Type Number of CH TYPE ４ＣＨ Bench-top Case AS16-104 ６ＣＨ AS16-105 ８ＣＨ AS16-106 ８ＣＨ Rack-mounting Case AS16-107 Table6-1 Four Type of Case We provide cases listed in Table 6-1. Select the case based on the number of channel to be used. 6.1.1 Accommodating Amplifier Units When accommodating amplifier units into a case, first the slit on the bottom of the unit should be adjusted to the guide of the case.

  • Page 69: Maintenance

    Power supply voltage range: 85 to 132VAC/180 to 264VAC 12VDC (10 to 30VDC) - Check input strain range Input voltage range: 1,000×10 to 125,000×10 strain (for AS2503) 2,000×10 to 250,000×10 strain (for AS2603) - Check common-mode voltage First check the power supply voltage.
  • Page 70 Isn’t the measuring range set to OFF? (Doesn’t OFF illuminate on measuring LED ⑪?) Yes ： Set measuring range to (50k to 1k(AS2503)),(100k to 2k(AS2603)) using measuring range selection knob ⑧. (See measuring range LED ⑪.) Input a calibration value using calibration value input switch ⑭.

  • Page 71: How To Replace Fuse

    7.2 How to Replace Fuse Follow the following fuse replacement procedure. 1． Turn the power switch to off, and then disconnect input and output cables from the amplifier unit. 2． Place the amplifier unit so that the front of the unit to be left side, bottom of the unit to be in the front, and the rear of the unit to be right side.

  • Page 72: Changing Ac Power Supply Voltage

    7.3 Changing AC Power Supply Voltage Follow the steps below to switch the AC power supply voltage. １. Turn off and disconnect the power supply cord and input/output cable from the amplifier unit. ２. Remove the cover using two screws (M3) on the top face (Figure 7-6). ３.

  • Page 73: Specifications

    10, 30, 100, 500, 1k, 3kHz, 4-pole Bessel Low-pass filter (Filter descent response: -24dB/oct) Zero drift: Within ±0.1 × 10 in strain/°C, Within ±0.5 × 10 strain/24h Stability Sensitivity: Within ±0.01%/°C, within ±0.05%/24h TABLE 8-1 Specification list for AS2503 (1) ８－１...
  • Page 74 Storage temperature range - 20°C to + 70°C, Within 10 - 90% RH Outline dimension H143 (±1.0) × W49.5 (±0.5) × D253 (±2.0) mm *Excluding protrusion Weight Within 1.4 (±0.1) kg TABLE 8-1 Specification list for AS2503 (2) ８－２...
  • Page 75 80 V p-p RTI (W/B, RANGE = 1k (1,000X), without FINE, BV = 2V) Noise 20 V p-p RTI (DC to 30 kHz, RANGE = 1k, without FINE, BV = 2V) TABLE 8-2 Specification List for AS2503 as DC Amplifier ８－３...
  • Page 76 8.2 AS2603 Item Description Number of Channels 1 channel/unit 60 - 1,000 Ω Bridge resistance Gage factor 2.00 Bridge power voltage supply 2, 3, 5, 9, 10 VDC Detecting disconnection and short of input bridge circuit (bridge impedance Disconnection check of 120 Ω...
  • Page 77 Item Explanation 50 × 10 in strain p-p RTI (W/B, RANGE = 1k, Without FINE, BV = 2V, 120 Ω in bridge) Noise level 20 × 10 in strain p-p RTI (DC – 30kHz, RANGE = 1k, Without FINE, BV = 2V, 120 Ω in bridge) OUTPUT1 ±10 V ±5 mA, OUTPUT2 ±10 V ±10m A Output impedance: 0.5Ω...
  • Page 78 Item Explanation Input impedance Approx. 15 M + Approx. 15 M (DC) 10 mV (RTI) (BV = 2 V) (incl. auto-balancing and fine-tuning) Zero adjustment range Balancing adjustment Within 2 V (RTI) (RANGE = 2k, without FINE, BV = 2 V) resolution Measuring range .250 mV (input equivalent value) (RANGE = 100k, FINE = 2.5X, BV = 2 V)

  • Page 79: References

    ９. REFERENCES 9.1 Frequency and Phase Characteristics Frequency Characterristics of AS2503 Amplitude(dB) 10Hz 30Hz 100Hz 1kHz 30kHz W/B(500kHz) 1000 10000 100000 1000000 Phase properties of AS2503 Phase Delay (Degree) -100.0 10Hz 30Hz 100Hz -200.0 1kHz 30kHz W/B(500kHz) -300.0 -400.0 1000...
  • Page 80 Frequency Characteristics of AS2603 Amplitude(dB) 10Hz 30Hz 100Hz 1kHz 30kHz W/B(100kHz) 1000 10000 100000 1000000 Phase properties of AS2603 Phase Delay (Degree) 10Hz -100.0 30Hz 100Hz -200.0 1kHz 30kHz -300.0 W/B(100kHz) -400.0 1000 10000 100000 1000000 ９－２...

  • Page 81: Cable List

    9.2 Cable List N ame Shape Pin alignment R ema rk A…+BV Bridge box L e n g t h : 3 m B…- Input TYPE E x t e r n al di a m e t e r 5370(120Ω) C…-BV c a b l e Φ...
  • Page 82 N ame Shape Pin alignment R ema rk A…+BV Junction cable L e n g t h : 1 0 m B…- Input TYPE: 47230 E x t e r n al di a m e t e r C…-BV c a b l e : Φ...

  • Page 83: External Dimensions

    9.3 External Dimensions 9.3.1 Amplifier Unit (AS2503) ９－５...

  • Page 84: Amplifier Unit (As2603)

    9.3.2 Amplifier Unit (AS2603) ９－６...

  • Page 85: Panel Cut Sizes

    9.3.3 Panel Cut Sizes ９－７...

  • Page 86: Bench-Top Case

    9.3.4 Bench-top Case N ame T y pe Ａ 4C H Bench to p c ase AS 16 - 104 262 .6 23 6 6C H Bench to p c ase AS 16 - 105 362 .6 33 6 8C H Bench to p c ase AS 16 - 106 462 .6 43 6...

  • Page 87: Rack-Mount Case

    9.3.5 Rack-mount Case Rack Rail Elongate Hole ９－９...

  • Page 88: Bridge Box (5370 And 5373)

    9.3.6 Bridge Box (5370 and 5373) ９－１０...
  • Page 89 To Ensure Prolonged Use A&D Company,Limited. Thank you for purchasing an A&D Company,Limited. product. To ensure prolonged use of the product that you have purchased, we offer the following lineup of maintenance services. 1． Warranty Period The warranty period for this product is two years from the date of purchase. In case of a failure, the product will be repaired free of charge (only if the failure is ascribable to the responsibility of A&D).
  • Page 90 (1) This manual may not be reproduced to any form in whole or in part. (2) Then contents in this manual may be updated without prior notice. AS2503/AS2603 Operation Manual 1WMPD4003356 First Edition: July 2006 Second Edition: Octber 2012 Third Edition:...

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