CWE BMA-200 Instruction Manual
  1. Manuals
  2. Brands
  3. CWE Manuals
  4. Amplifier
  5. BMA-200
  6. Instruction manual

CWE BMA-200 Instruction Manual

Single-channel bioamplifier
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Instruction Manual
BMA-200
Single-Channel Bioamplifier
Read instructions carefully before operating this device.
 This device is not to be used for Human Life Support applications.
 To avoid possible electrical shock, do not operate this device if is wet or has had liquids spilled onto it.
 Service or calibration procedures should only be performed by qualified personnel familiar with the
electrical hazards of line-powered devices.
Ardmore PA 19003 U.S.A.
(610)642-7719
info@cwe-inc.com
©CWE 2023
www.cwe-inc.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BMA-200 and is the answer not in the manual?

Questions and answers

Related Manuals for CWE BMA-200

Summary of Contents for CWE BMA-200

  • Page 1 Instruction Manual BMA-200 Single-Channel Bioamplifier Read instructions carefully before operating this device.  This device is not to be used for Human Life Support applications.  To avoid possible electrical shock, do not operate this device if is wet or has had liquids spilled onto it.
  • Page 2 STATEMENT OF WARRANTY IF THIS INSTRUMENT FAILS WITHIN A PERIOD OF ONE YEAR FROM THE DATE OF DELIVERY OR INSTALLATION, CWE, INC. WILL, AT ITS OPTION, REPAIR OR REPLACE IT FREE OF CHARGE TO THE PURCHASER. THIS WARRANTY EXCLUDES DAMAGE INCURRED THROUGH ABUSE OR ACCIDENT AND CONSUMABLE ITEMS OR COMPONENTS SUCH AS BATTERIES.

  • Page 3: Table Of Contents

    11.1 BATTERY CHARGING ..................9 11.2 BATTERY REPLACEMENT ................9 12.0 SETTING THE DC OFFSET RANGE ............. 10 13.0 OPTIONAL HEAD-STAGES ................10 14.0 USING TRANSDUCERS WITH THE BMA-200 ..........10 15.0 ORDERING INFORMATION ................11 © 2023 CWE, Inc.

  • Page 4: Introduction

    The wide gain range of the BMA-200 allows its use as a primary amplifier whose output can be fed directly to tape or chart recorders, or oscillographic displays. The six- position high and low pass filters have a sharp rolloff for effectively limiting the signal to the desired frequency bandwidth.

  • Page 5: Specifications

    BMA-200 Instruction Manual 2.0 SPECIFICATIONS Input type ............differential instrumentation amplifier Input impedance ................>10,000 Megohms Input connector ..........7-pin Amphenol 703-91T-3475-001 Noise, wideband, referred to input ..........<7uV P-P, <3uV RMS Common mode rejection ..............>100dB @ 60Hz Input voltage range ....................+1V Input offset adjustment ranges ............

  • Page 6: Power / Bat Test Switch

    BMA-200 Instruction Manual 3.0 POWER ON/OFF SWITCH Switch POWER ON by moving this toggle switch to the left. The centered position is POWER OFF. By momentarily moving the switch to the right, the BATTERY TEST function is activated. If the BAT light comes on during this test, approximately 70% or more of the battery capacity remains.

  • Page 7: Ac/Dc Coupling

    6.0 GAIN CONTROL The gain of the BMA-200 amplifier is set using the 12-position GAIN knob. It is important to choose an appropriate gain setting for the input signal being amplified. For example, if an EMG...

  • Page 8: Low Frequency

    BMA-200 Instruction Manual 8.1 LOW FREQUENCY FILTER SWITCH (Inner Knob) This switch selects the low frequency margin of the pass-band. Its range is DC-100Hz, in 6 positions. Note that if true DC response is required, the AC/DC switch must also be set to DC.

  • Page 9: Batteries

    BMA-200 Instruction Manual 11.0 BATTERIES The BMA-200 operates from NiMH rechargeable batteries. Twelve AA-size cells are provided in two 6-cell packs. Battery life depends on a number of factors, but especially the extent to which the audio monitor is used. Typically, the amplifier can be used for more than 24 continuous hours between charges.

  • Page 10: Setting The Dc Offset Range

    +5V, which will be unaffected by the state of battery charge. Since there is no current limiting provided, care must be exercised not to draw too much current from the batteries. A practical maximum would be about 20mA. Contact CWE if you are interested in designing or building such a device.

  • Page 11: Ordering Information

    BMA-200 Instruction Manual 15.0 ORDERING INFORMATION 08-03000 BMA-200 AC/DC Bioamplifier, with adapter/charger & input connector 10-02020 ISO-Z Isolation Amplifier Head-Stage 10-02030 HS-1 High-Impedance 1X Head-Stage 09-03112 ICA-400 Input cable, 9' (2.7m), with 1.5mm DIN TouchProof sockets 10-02040 BMA-931/CON Spare unwired input connector...

Table of Contents