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SigmaAldrich.com

20352498w   Rev 03/20 

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Introduction

The mA700 Essential Power Supply is microprocessor 

controlled and designed to meet most electrophoresis 

needs. This manual describes the setup and operation 

of the power supply,  including important information 

on safety and maintenance. The mA700 Essential Power 

Supply can run horizontal & vertical electrophoresis, 

SDS-PAGE, native PAGE, two-dimensional 

electrophoresis, and electro-blotting.
The power supply offers access to 4 terminal pairs, 

enabling use with multiple electrophoresis devices 

simultaneously. The mA700 Essential Power Supply 

provides constant voltage, constant current or constant 

power. 

Features of mA400 Basic Power Supply:

•  Compact size
•  Microprocessor controller
•  Constant voltages, constant currents and constant 

power

•  Four terminal outlets
•  LCD display
•  Timer with alarm function
•  Advanced safety devices
•  Stackable
•  Wide applications for DNA, RNA, and protein 

electrophoresis

User Guide 

mA700 Essential Power Supply

 

mA700

     

Introduction  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1

Equipment Operation   .  .  .  .  .  .  .  .  .  .  .  .  . 2

Symbols Used on Device

Regulatory

Warnings

Safety Precautions

Environmental Operating Conditions

Avoiding Electrical Shock

Avoiding Damage to the Instrument

Technical Specifications  .  .  .  .  .  .  .  .  .  .  . 3

Installation Instructions   .  .  .  .  .  .  .  .  .  . 4

Operating Instructions

Control Interface

Button Functions

General Operating Instructions   .  .  .  .  . 5

Constant Mode Setup 

Constant Mode Operation

Program Mode Setup

Program Mode Operation

Replacing the Fuse

Troubleshooting and Maintenance  .  .  . 7

Product Ordering Information   .  .  .  .  .  . 9

Support .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 9

Notice

Contact Information

Legal Manufacturer

Technical Assistance

Standard Warranty

Back View

Front View

Main Power Socket 

Fuse

ON/OFF Switch

Label

Fan

Summary of Contents for Millipore mA700

Page 1: ...er Constant voltages constant currents and constant power Four terminal outlets LCD display Timer with alarm function Advanced safety devices Stackable Wide applications for DNA RNA and protein electrophoresis User Guide mA700 Essential Power Supply mA700 Introduction 1 Equipment Operation 2 Symbols Used on Device Regulatory Warnings Safety Precautions Environmental Operating Conditions Avoiding E...

Page 2: ...carefully before operating this equipment Do not alter the equipment Failure to follow these directions could result in personal and or laboratory hazards as well as invalidate equipment warranty Use a properly grounded electrical outlet with correct voltage and current handling capacity Disconnect from power supply before maintenance and servicing Refer servicing to qualified personnel Never use ...

Page 3: ...erate the power supplies in high humidity environments 95 or where condensation may occur 7 To avoid condensation after operating the power supply in a cold room wrap the unit in a plastic bag and allow at least 2 hours for the unit to equilibrate to room temperature before removing the bag and operating the unit 8 Prior to applying any cleaning or decontamination methods other than manufacturer s...

Page 4: ...jack 4 Power ON the unit by pressing the ON Off switch on the back Operating Instructions Control Interface LED Indicator Indicates running conditions Button Functions Key Descriptions Icon Function Start Stop Press to activate or stop the unit Pause Press to temporarily interrupt power to an operation in progress resume power after pausing without resetting the timer Page Toggle Press to go back ...

Page 5: ...ower supply will constantly operate until the user manually ends the run Constant Mode Operation 1 Press the Start Stop key to start operation The LED is lit and the screen will show real time parameter values When parameter reaches the set value its color will turn orange 2 Press the Toggle key to switch the display between real time value and set value page Note When a run is completed operation...

Page 6: ...Press the Start Stop key to start operation The LED is lit and the screen will show real time parameter values When parameters reach the set value the color will turn orange 2 Press the Toggle key to switch the display between real time value and set value page Note When a run is completed operation stops with an alarm and COMPLETE is displayed on the screen 3 Press the Start Stop key to terminate...

Page 7: ...blown Replace the fuse Fuse broken repeatedly Hardware failure Contact our Technical Service Department Operation stops and the screen displays PLC ERROR Communication wires on circuit board have loosened or broke We recommend that you send the machine back to your local distributor or our Technical Service Department for maintenance Operation stops with alarm The screen displays NO LOAD Electroph...

Page 8: ... with alarm Display shows LEAKAGE Ground leak detected during run Check the electrophoresis system for improper grounding Restart the power supply by turning the Power switch off and on Operation stops with alarm Display shows OVER TEMPERATURE Power supply is overheating Turn off power supply Check for sufficient airflow around the power supply fan After cooling down restart the power supply by tu...

Page 9: ...ower Supply with cord for France Germany and locations using CEE 7 7 YP22 plugs MA400 EU mA400 Power Supply with cord for the UK Ireland and locations using type G YP61 plugs MA400 UK mA400 Power Supply with cord for Japan and locations using YP18 plugs MA400 NI mA400 Power Supply with cord for China and locations using Type 1 YP03 plugs MA400 ZH Support Notice We provide information and advice to...

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