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Summary of Contents for T Scale M503 Series
- Page 1 Weighing Indicator M503 Wheelchair Scale...
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Page 2: Table Of Contents
M503 Series Wheelchair Scales Technical Manual CONTENTS 1. PRECAUTIONS……………………………………………………………..2 2. INTRODUCTION……………………………………………………………3 3. SPECIFICATIONS………………………………………………………..4 3.1Specifications………………………………………………………………...4 3.2 Load Cell Specification...............…...5 4. INSTALLATION……….…………………………………………………….6 5. DESCRIPTION………..............8 6. OPERATION………………………………………………………………..10 1. Power ON/OFF…………………………………………………………10 2. Zero……………………………………………………………………...10 3. Tare……………………………………………………………………...10 4. Hold function…………………………………………………………..10 5. BMI function…………………………………………………………….11 7. PARAMETER……………………………………………………………….12 8. CALIBRATION……………………………………………………………..14 9. -
Page 3: Precautions
M503 Series Wheelchair Scales Technical Manual 1. PRECAUTIONS WARNING DISCONNECT ALL POWER TO THIS UNIT BEFORE INSTALLING, CLEANING, OR SERVICING. FAILURE TO DO SO COULD RESULT IN BODILY HARM OR DAMAGE THE UNIT. CAUTION Permit only qualified persons to service the instrument ... -
Page 4: Introduction
M503 Series Wheelchair Scales Technical Manual 2. INTRODUCTION The M503 series wheelchair scales, that amplifies signals from a load cell, converts it to digital data and displays it as a mass value. It is accurate, fast and versatile series of general purpose balances with % weighing functions and accumulation. -
Page 5: Specifications
M503 Series Wheelchair Scales Technical Manual 3. SPECIFICATION 3.1 Specifications Model M503-300k Maximum Capacity 300kg/660lb Readability 0.1kg/0.2lb Resolution 1/3,000 Tare range -249.9kg Minimum Capacity 2kg/4lb Linearity ± 0.2kg/0.4lb Common Specifications Interface RS-232 Output Optional Stabilisation Time 2 Seconds typical Operating Temperature 0°... -
Page 6: Load Cell Specification
M503 Series Wheelchair Scales Technical Manual 3.2 Load Cell Specifications Model No L6E3 Rated Capacity (kg) 2.5/3/5/6/8/10/15/20/30/35/40/50 Sensitivity 2.0±0.2 mv/v Excitation Voltage 5~12V Material Aluminum 0.3~3m Φ 4mm Cable 409Ω ±6Ω/1065Ω ±15Ω Input Resistance 350Ω ±3Ω/1000Ω ±10Ω Out put Resistance Temperature Range -35°... -
Page 7: Installation
M503 Series Wheelchair Scales Technical Manual 4. INSTALLATION Unpacking Carefully take the balance out of its package, make it sure its not damaged and all accessories are included. Remove the weighing scale from the carton. Remove the protective covering. Store the packaging and to use if you need to transport the scale later. - Page 8 M503 Series Wheelchair Scales Technical Manual Installation Load cell Connecter Adaptor Jack Calibration switch Place the scale on a table. Connect the adaptor pin in to the scale adaptor jack. Adaptor jack is locating, rear side of the scale.
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Page 9: Description
M503 Series Wheelchair Scales Technical Manual 5. DESCRIPTION Key Board Turns the scale power On / Off Set to hold mode Set to BMI mode Enter into the menu Sets display to Zero Subtracts weight of container Change unit: kg / lb... - Page 10 M503 Series Wheelchair Scales Technical Manual Display DISPLAY FUNCTION STABLE Indicator for Display stability ZERO Indicator for Zero display TARE Indicator for Tare display Indicator for Net weight GROSS Indicator for Gross weight Cm/inch Indicator for measuring units Lb/kg Indicator for weight units...
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Page 11: Operation
M503 Series Wheelchair Scales Technical Manual 6. OPERATION Initial Start-up Warm-up time of 15 minutes stabilizes the measured values after switching on. Power ON/OFF Switch on the scale by pressing . The display is switched on and the self test is started. -
Page 12: Hold Function
M503 Series Wheelchair Scales Technical Manual 6.4 Precision*10 If you want to see more accurate weight value, press and hold for 2 seconds, display will show one more decimal place, the last digit will twink for 5 seconds, then it will go back to normal weighing value automatically. -
Page 13: Parameter
M503 Series Wheelchair Scales Technical Manual 7. PARAMETERS Enter the Menu Turn on the scale. Press key display will show F1 off Choose the Menu Press , it can choose menu block or options one by one. Enter the Selected Menu ... - Page 14 M503 Series Wheelchair Scales Technical Manual added P ask ASK mode Command R: read data Command T: Tare Command Z: Zero Wirele Wireless (optional) P cnt2 Send data another continuous mode. Bl on Set the backlight always on. Bl off Set the backlight always off.
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Page 15: Calibration
M503 Series Wheelchair Scales Technical Manual 8. CALIBRATION Turn on the scale. Press key during normal weighing, display will show “f1 off” Press key until display will show “tech” Press key to confirm display will show “PIN ”... -
Page 16: Battery Operation
M503 Series Wheelchair Scales Technical Manual 9. BATTERY OPERATION The Medical Scales can be operated from the battery if desired. The battery life is approximately 70 hours. When the battery needs charging a symbol on the weight display will turn on. The battery should be charged when the symbol is on. -
Page 17: Maintenance
M503 Series Wheelchair Scales Technical Manual 10. MAINTENENCE WARNING DISCONNECT ALL POWER TO THIS UNIT BEFORE INSTALLING, CLEANING, OR SERVICING. FAILURE TO DO SO COULD RESULT IN BODILY HARM OR DAMAGE THE UNIT. CAUTION Permit only qualified persons to service the instrument ... -
Page 18: Error Codes
M503 Series Wheelchair Scales Technical Manual Cleaning Disconnect the power before cleaning. Use a cloth with mild suds and light cleaning agents. Make sure that fluid not able to get into the device. Use a clean and soft cloth for rub off. -
Page 19: Check Pcb Voltages
M503 Series Wheelchair Scales Technical Manual 10.4. Check the Load cell Remove power from the system, and disconnect the PCB from the Load cell Check the moisture, or foreign material inside. Make sure all leads are connected and correctly. -
Page 20: Trouble Shooting
M503 Series Wheelchair Scales Technical Manual 10.5.3 PCB Input Voltage Check the PCB input power connecter voltage Voltage must be minimum 9VDC in to the pin AD+ 10.5.4 Check Battery Voltage and Charging Voltage 1. Check the Battery Voltage, ... - Page 21 M503 Series Wheelchair Scales Technical Manual Display is Goods touching Check the scale is in acceptable unstable somewhere. Air location. variation or any Check the connecters and load cell. vibrations. Check the power supply and battery Temperature changed . Load cell or connections faulty.
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Page 22: Disposal
M503 Series Wheelchair Scales Technical Manual 11. DISPOSAL Disposing of the device Do not dispose of the device in domestic waste. The device must be disposed of properly as electronic waste. Follow the national regulations which apply in your case. For further information, contact our service department at: service@taiwanscale.com... -
Page 23: Warranty
M503 Series Wheelchair Scales Technical Manual 12. WARRANTY A two-year warranty from date of delivery applies to defects attributable to poor materials or workmanship. All moveable parts batteries, cables, mains units, rechargeable batteries etc. are excluded. Defects which come under warranty will be made good for the customer at no charge on production of the receipt. - Page 24 M503 Series Wheelchair Scales Technical Manual The company was founded in Taiwan in 1967 as Taiwan Scale Mfg Co., Ltd in order to produce Mechanical Weighing Instrument. Today, this privately owned company is recognized worldwide as a leading Electronic Weighing Scale Manufacturer.
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