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Summary of Contents for Charder MG4800
- Page 1 USER MANUAL MG4800 Handgrip Dynamometer Please keep the instruction manual at hand all the time for future reference.
- Page 2 Explanation of Graphic Symbols on Label/Packaging Caution, consult Separate collection for accompanying documents waste of electrical and before use electronic equipment, in accordance with Directive 2002/96/EC Manufacturer of medical Manufacturing year of device medical device Carefully read user manual Medical electrical before installation and equipment with Type B usage, and follow...
- Page 3 This user manual is protected by international copyright law. All content is licensed, and usage is subject to written authorization from Charder Electronic Co., Ltd. (hereinafter Charder) Charder is not liable for any damage caused by a failure to adhere to requirements stated in this manual.
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Page 4: Table Of Contents
CONTENTS I. Safety Notes ................5 A. General Information ........錯誤! 尚未定義書籤。 II. Installing Batteries............... 8 III. Display and Key Functions ..........9 IV. Using Device ...............10 A. Correct Grip ..............10 B. Incorrect Grip ..............12 C. Mode Switching ..............13 D. -
Page 5: Safety Notes
I. Safety Notes Thank you for choosing this Charder Medical device. It is designed to be easy and straightforward to operate, but if you encounter any problems not addressed in this manual, please contact your local Charder service partner. Before beginning operation of the device, please read this user manual carefully, and keep it in a safe place for reference. - Page 6 If results are inaccurate, please contact local distributor. Warranty/Liability If Charder is responsible for a fault or defect present upon receipt of the unit, Charder shall either repair the fault, or supply a replacement unit.
- Page 7 could result in electric shock or injury as well as adversely affect the precision of measurements. Do not place the device in direct sunlight, or in close proximity to an intense heat source. Excessively high temperatures may damage the internal electronics.
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Page 8: Installing Batteries
II. Installing Batteries 1. Remove battery cover (rotate 2. Insert new CR-2450 lithium counter-clockwise to loosen) battery Open 3. Secure battery cover (rotate clockwise to tighten) Close NOTE: If device is to be placed in storage for extended period of time (e.g. -
Page 9: Display And Key Functions
III. Display and Key Functions LCD Screen Key Function /Zero: Power on/Power off/Zero. When device is off, press to power on. Press to zero value. Press and hold for 3 seconds to turn off. (NOTE: please release device (do not squeeze) before zeroing value.) Mode: press to toggle between different modes Set: In real mode, this will switch between units. -
Page 10: Using Device
IV. Using Device A. Correct Grip... -
Page 12: Incorrect Grip
B. Incorrect Grip... -
Page 13: Mode Switching
C. Mode Switching NOTE: Real Mode is the default mode. If the device is powered off in any other mode, it will start in that mode the next time it is powered on. Power ON Real Mode Real time display and Unit setup Count Mode Counts the number of times subject reaches target force... -
Page 14: Real Mode
D. Real Mode Real Mode is a dynamic mode. The force value will fluctuate according to force exerted during usage. Real Time Display: Release Grip Release kg / lb setup:... -
Page 15: Count Mode
E. Count Mode Count Mode sets a target grip force to be achieved by the subject. Grip force must reach target goal in order to be counted. SETUP TARGET GRIP FORCE COUNTING OPERATION... -
Page 16: Avg Mode
F. AVG Mode AVG mode is designed to help average the grip strength of both hands. Ex: Subject grips device with left and right hand. Physician presses SET to calculate the average value of the last two usages. NOTE: force must exceed 2 kg to be registered Ready to grip First use Second use... -
Page 17: Max Mode
G. Max Mode Max mode is designed to compare the force of an impaired hand with a healthy hand. Ex: Subject has impaired left hand. Subject measures grip strength of healthy right hand. Percentage goal is set. Subject then grips using left hand, and device will evaluate if grip strength exceeds defined percentage of last measurement. - Page 18 Error Messages Error Message Reason Action Low battery warning Replace batteries Voltage of battery is too low to operate device Force under zero Press ZERO key and Force is under zero when try again device is powered on Force over zero Ensure nothing is Force is over limit when pushing on device and...
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Page 19: Product Specifications
V. Product Specifications A. Device Information Model MG4800 Weight Capacity 80 kg 40 kg 20 kg Measurement (blue) (green) (red) Graduation 0.1 kg / 0.2 lb Accuracy ±0.2kg / ± 0.4lb Unit kg / lb LCD Screen 0.5-inch LCD screen (4 digits) -
Page 20: Declaration Of Conformity
FCC Class B Declaration of Conformity This device complies with the limits for a Class B digital device, persuant to Part 15 of the FCC rules Manufactured by: Charder Electronic Co., Ltd. No.103, Guozhong Rd., Dali Dist., Taichung City, 41262 Taiwan (R.O.C.) Patent number list...
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