DMT 820MS User manual
USER MANUAL, VOL.3.2
MYOGRAPH SYSTEM - 820MS
PowerLab® and LabChart® are registered trademarks of ADInstruments Pty Ltd.
The names of specic recording units, such as PowerLab 4/35, are trademarks of ADInstruments Pty Ltd.
Pentium is a registered trademark of the Intel Corporation. Windows 7 and Windows 10 are registered trademarks
of Microsoft Corporation.
All other trademarks are the properties of their respective owners.
DMT reserves the right to alter specications as required.
This document was, as far as possible, accurate at the time of printing.
Changes may have been made to the software and hardware it describes since then.
New information may be supplied separately.
This documentation is provided with the DMT Muscle Strip Myograph System – Model 820MS
Document Number: 820MS – UG2.2A
All rights reserved. No part of this manual may be reproduced or transmitted in any form or by any means without
the written permission of Danish Myo Technology A/S.
Every attempt is made to ensure accurate information, misprints, construction- and specication changes can occur.
Danish Myo Technology A/S reserves the right to alter/change content as required and without any notice.
Copyright © Danish Myo Technology A/S
TRADEMARKS
CONTENTS
TRADEMARKS 3
SAFETY 5
UNPACKING THE MYOGRAPH SYSTEM 6
EC DECLARATION OF CONFORMITY 7
CHAPTER 1 - SYSTEM OVERVIEW 8
1.1 Interface 8
1.2 Interface Rear Panel 9
1.3 MyoDynamics Muscle Strip Myograph - 840MD 10
CHAPTER 2 - SETTING UP 11
2.1 Setting up the Muscle Strip Myograph System - 820MS 11
2.2 Setting up step-by-step 12
CHAPTER 3 - THE INTERFACE MENUS 14
3.1 Interface Menus - Navigation 14
3.2 Interface Menus – Calibrated Mode 15
CHAPTER 4 - THE MUSCLE STRIP MYOGRAPH UNIT 27
4.1 Calibration of the Force Transducer 27
4.2 Checking the Force Transducer 29
4.3 Force Transducer Replacement 30
4.4 Myograph Maintenance 32
4.5 Cleaning the Myograph 33
CHAPTER 5 - THE MOUNTING SUPPORTS AND MOUNTING IN THE 820MS CHAMBER 36
APPENDIX 1 - SYSTEM SPECIFICATIONS 38
5
The Muscle Strip Myograph System - 820MS has been designed for use in teaching and research only. It is not
intended for clinical or critical life-care use and should never be used for these purposes. The 820MS also should not
be used for the prevention, diagnosis, curing, treatment, or alleviation of disease, injury, or handicap.
CAUTION:
• Do not open the unit; the internal electronics pose a risk of electric shock.
• Do not use this apparatus near water.
• To reduce the risk of re or electric shock, do not expose this apparatus to rain or moisture. Objects
lled with liquids should not be placed on the apparatus.
• Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other equipment or
devices that produce heat.
• Only use attachments and accessories specied by the manufacturer.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Be advised that dierent operating voltages require the use of dierent types of line cord and
attachment plugs. Check the voltage in your area and use the correct type. See the table below:
SAFETY
Protect the power cord from being walked on or pinched: particularly at power plugs and the point where they
connect to the apparatus.
Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in
any way; such as, the power-supply cord or plug is damaged, liquid has spilled onto or objects have fallen into the
apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
Voltage Line plug according to standard
110 - 125 V UL81 and CSA C22.2 No. 42
220 - 230 V CEE 7 page VII, SR section 107-2-D1/IEC 83, page C4
240 V BS 1363 of 1984. Specication for 13A fused plugs and
switched and unswitched socket outlets.
6
UNPACKING THE MYOGRAPH SYSTEM
Take a few minutes to carefully inspect your new Muscle Strip Myograph System - 820MS for damage which may have
occurred during handling and shipping. If you suspect any kind of damage, please contact DMT immediately and the
matter will be pursued soon as possible. If the packing material appears damaged, please retain it until a possible
claim has been settled.
We recommend that you store the packing material for any possible future transport of the Muscle Strip Myograph
System. In case of transport and the original packing material is unavailable, please contact DMT Sales Department
for advice and packing instructions.
After unpacking your new Myograph System, please use the following list to check that the system is complete:
1 x interface unit
4 x chamber units with mounted clamp supports
4 x chamber covers
1 x external temperature probe
1 x power cord*
1 x calibration kit (including bridge, balance and 2 g weight)
1 x tube of high vacuum grease
1 x tube of grease for screw thread
2 x Allen keys
1 x small screwdriver
1 x USB with an user manual for Muscle Strip Myograph System
* The shape of the AC plug varies by country; be sure that the plug ts the outlets for your location.
7
EC DECLARATION OF CONFORMITY
DMT A/S
Certify and declare that the following apparatus:
MUSCLE STRIP MYOGRAPH SYSTEM - MODEL 820MS
Restrictive use: Only for laboratory use.
Manufactured by:
DMT A/S
Skejbyparken 152
8200 Aarhus N.
Denmark
Conforms with the essential requirements of the EMC Directive 2004/108/EC.
Based on the following specications applied by:
EN 61326-1:2006
EN 61326-2-6:2006
EN 61326-2-6/Corr.:2007
And with the LVD Directive 2006/95/EC.
Based on the following specications applied by:
EN 61010-1:2010
EN 61010-2-030:2010
General warnings regarding EMC:
Do not use this device in close proximity to sources of strong electromagnetic radiation
(e.g. unshielded intentional RF sources), as these may interfere with the proper operation.
8
CHAPTER 1 - SYSTEM OVERVIEW
Figure 1.1 Interface Front Panel
Myo-Interface display Valve buttons
Heat indicator
Power indicator
1.1 INTERFACE
9
Figure 1.2 Interface Rear Panel
1.2 INTERFACE REAR PANEL
Gas regulator
(needle valve)
Gas input
4 Transducer connections
pH meter connection
Temperature probe
Connection
4 Recorder outputs
(Analogue)
USB output (Digital)
ON/OFF switch
Power connector
Vacuum input
Grounding,
connected to Data
Acquisition
10
Connection to Myo-Interface
Micrometer
Myograph clamp support
connected to micrometer
Myograph clamp support
connected to force transducer
Force transducer pin
Figure 1.4 Close up of myograph unit
1.3 MYODYNAMICS MUSCLE STRIP MYOGRAPH - 840MD
Figure 1.3 MyoDynamics Muscle Strip Myograph unit
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2
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