A&D GP-61KS Instruction Manual

Contents

A&D GP-61KS Instruction Manual Manual pdf 11 page image

93. PRECAUTIONSTo get the optimum performance from the balance and acquire accurate weighing data, note thefollowing:3-1 Before Usez Install the balance in an environment where thetemperature and humidity are not excessive. The bestoperating temperature is about 20°C / 68°F at about50% relative humidity.z Install the balance where it is not exposed to direct sunlightand it is not affected by heaters or air conditioners.z Install the balance where it is free of dust.z Install the balance away from equipment whichproduces magnetic fields.z Install the balance in a stable place avoiding vibrationand shock. Corners of rooms on the first floor are best,as they are less prone to vibration.z The weighing table should be solid and free fromvibration, drafts and as level as possible.z Level the balance by adjusting the leveling feet andconfirm it using the bubble spirit level.z Ensure a stable power source when using the AC adapter.z Plug in the AC adapter and warm up the balance for atleast 30 minutes.z Calibrate the balance periodically for accurate weighing.z When the balance is installed for the first time or has beenmoved, warm up the balance for at least 12 hours to allowthe balance to reach equilibrium with the ambienttemperature, and then perform calibration before use.CautionPlease confirm that the AC adapter type is correct for your local voltage and receptacle type.Do not install the balance where flammable or corrosive gas is present.3-2 During Usez Discharge static electricity from the material to beweighed (hereinafter referred to as sample). When asample could have a static charge, the weighing datais influenced. Try to keep the ambient humidity above45%RH or use the metal shield case.