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A&D GH-120/GH-200/GH-300/GH-202/GH-252 manual Precautions, Installing the Balance, Before Use

Models: GH-120/GH-200/GH-300/GH-202/GH-252

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Leveling feet

2.1.Installing the Balance

Install the balance as follows:

1Consider the section "3. Precautions " for installing your balance. Place the balance on a firm weighing table.

2Assemble the "Dust Plate", "Breeze Break Ring" (or "Fine range breeze break ring") "Pan support", and "Weighing Pan" on your balance. There is a reference illustration on the previous page.

3Adjust the level of the balance using the leveling feet. Ground the balance chassis for discharging static electricity if you have a static problem.

4Please confirm that the adapter type is correct for your local voltage and power receptacle type.

5Connect the AC adapter to the balance. Warm up the balance for at least one hour with nothing on the weighing pan.

6Calibrate the balance before use. Refer to "8. Calibration".

Bubble spirit level

Connect the

AC adapter

3.Precautions

3.1.Before Use

To ensure that you get the most from your balance, please try to follow these conditions as closely as possible.

Please confirm that the AC adapter type is correct for your local voltage and receptacle type.

Ensure a stable power source when using the AC adapter.

The best operating temperature is about 20°C / 68°F at about 50% Relative Humidity. The weighing room should be free of dust.

The weighing table should be solid and free from vibration, drafts (such as frequently opening doors or windows) and as level as possible.

Corners of rooms are best as they are less prone to vibration.

Do not install the balance near a heater or air conditioner.

Do not install the balance in direct sunlight.

Do not use the balance near other equipment which produces magnetic fields. Adjust the level of the balance using the leveling feet.

Please warm-up the balance for at least one hour. Plug-in the AC adapter as usual. Calibrate the balance before using and after moving it to another location.

Do not place or use the balance where there is flammable or corrosive gas present.

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A&D GH-120/GH-200/GH-300/GH-202/GH-252 manual Precautions, Installing the Balance, Before Use

Contents

1WMPD4000891C GH-120 GH-200 GH-300 GH-202 GH-252Page Contents Interface And Communication Underhook Density Measurement About This Manual Introduction Compliance FeaturesCompliance With FCC Rules Compliance With EMC DirectivesPage Unpacking the Balance Precautions Installing the BalanceBefore Use Shock During Use After Use Power Supply Key When pressed and released When pressed and held Display Symbols and Key OperationDisplay Key operation Units Weighing Units 101 00001 Changing the Units Counting mode Pcs Percent mode Densitymode Press the PrintExamples Unit Display Gram Balance displays Unit setting example Basic Operation Gram Mode Precautions for the weighing operationRead . Display symbols and Key operation before operation Weighing Weighing range Available minimum display Dual Range01mg 1mg Counting Mode PCS Storing a sample unit mass Weighing input modeCounting operation Mark turns off after Unit mass is improved Repeat Counting mode using the Acai function Selecting the percent mode Percent Mode %Storing the 100% reference mass Reading the percentage Response Adjustment Automatic Response AdjustmentAdvise Key until Manual Response AdjustmentDisplayed, then release the key Press Key again quickly Calibration Group Calibration Automatic Self Calibration Automatic self calibration due to changes in temperatureOne-Touch Calibration Mark Press and hold the CAL Key until is CC Calibration Test Using the Internal Mass Calibration Using an External Weight Key................. The key To cancel the operation Calibration Test Using an External WeightKey ..............The key to store the new mass value Even if the AC adapter is removed, Correcting the Internal Mass Value Permit or Inhibit Function Switch and Initialization Press the Print key To cancel this operation, press Initializing the BalanceKey to display Function Table Setting the Function Table Display symbol and keys Function table is displayed Press Setting procedureKey to select a class Press Key to enter the class Key to select a item Press Setting example Details of the Function Table Int Factory settingsData output Time/Date output ID number output AK, Error code 5if TimeoutErCd Interface Ct5 Description of the Class Environment, Display Key mode Description of the Item Data Output ModeStream mode Auto print modes a and B Description of the Item Data Format Interval memory modeStandard format DP Dump print format MT format KF formatNU numerical format Data Unit Terminator Stable value Unstable value Data number CSV formatDate Time Negative error Space Positive errorData Format Examples Stable Unstable Overload Units Clock and Calendar Function Setting the timeOperation Confirming the time Setting the date Quitting the operationSet the date Store ID Number and GLP Report Setting the ID Number Calibration report using the internal mass GLP ReportKey operation Calibration test report using an internal mass Balance returns to weighing mode after this testCommad Calibration report using an external weight When using preset target value, proceed to step Calibration test report using an external weight Title block and end block Title blockWeighing data Data Memory Returns to the weighing modeReleasing Clr or err Press and hold the Print key until the key Storing the weighing data Data Memory for Weighing DataMemory full Interval memory Parameter settings for each output mode are as follows Setting the function tableAdditional parameter settings, as follows Enabling the data memory function Recalling the memory data Transmitting all memory data at one timeDeleting all memory data at one time Storing the calibration and calibration test data Data Memory for Calibration and Calibration TestTransmitting the memory data Deleting data stored in memory Underhook Formula to obtain the density Density MeasurementPrior to measurement Changing the function table Density of a liquid Entering the density of a liquid Relation between the water temperature and density Output or store Density display Turns off. lights Measuring the densityPress the modes Key to proceed to other Standard Input and Output Interface RS-232C InterfaceSub 25 pin assignments Connection to an AD-8121B printer Connection to Peripheral Equipment Using the WinCT software, the balance can do the following Using Windows Communication Tools Software WinCTConnection to a computer and the use of WinCT RsCom Command List Commands Acknowledge Code and Error Codes Control Using CTS and RTSSettings Related to RS-232C Command Examples On command turning on the balanceCommand Re-zeroing the display Error code CAL command Calibration with internal mass Weighing with a tare Command ?PT command Net value Tare value Command Execution PT command to set a target weight of 10 g Zero displayZero Maintenance Error CodesTreatment of the Balance Unit mass error Sample mass errorAutomatic response adjustment zero error Automatic response adjustment unstable error Other Display Checking the Balance Performance and Environment Checking that the balance performs properlyAsking for Repair Specifications Unit mm External Dimensions GH-02 USB interface Options and Peripheral EquipmentGH-08 Ethernet Interface AD-8121B Printer AD-1683 DC Static Eliminator AD-1653 Density Determination KitAX-USB-9P-EX USB Converter 9970 g/cm3 AX-T-314A-S External key Plug AX-SW128 Foot switch Other options Terms Terms/Index Index 5pd Out Options5tart Tare PU5e Memo Memo