OHAUS EC Series Instruction Manual

Also see for EC Series: Service manual Instruction manual

Contents

OHAUS EC Series Instruction Manual Manual pdf 8 page image

EN-4 EC Series2.5 Connecting Power2.5.1 AC PowerVerify that the intended AC power source matches the AC adapter rating. Connectthe supplied AC adapter to the power input receptacle underneath the scale. Plugthe AC adapter into a properly grounded power outlet.2.5.2 Battery PowerThe battery will begin charging with the AC adapter connected accordingly. An LEDindicator below and to the right of the Count window shows the status of batterycharging:• Green – battery is fully charged• Yellow – battery is partially charged and charging• Red – battery is nearly dischargedWhen AC power is not available, the scale will operate on the internal rechargeablebattery. The scale will automatically switch to battery operation if there is a powerfailure or the power cord is removed. Low battery charge is indicated by theannunciator (the scale will operate for approximately 10 hours more beforeautomatically switching off).Before using the scale for the first time, the internal rechargeable battery should befully charged for up to 12 hours. A fully charged battery can operate the scale forapproximately 80 hours independent of AC power. The scale can be operatedduring the charging process. The battery is protected against overcharging andthe scale can remain connected to the AC power line.NOTES:; The battery must be recharged every 3 months if the scale is not used for a longtime.; Dispose of the lead acid battery according to local laws and regulationsCAUTIONBATTERY IS TO BE REPLACED ONLY BY AN AUTHORIZED OHAUS SERVICE DEALER.RISK OF EXPLOSION CAN OCCUR IF REPLACED WITH THE WRONG TYPE ORCONNECTED IMPROPERLY2.6 Initial CalibrationWhen the scale is operated for the first time, a Span Calibration is recommended toensure accurate weighing results. Before performing the calibration, be sure tohave the appropriate calibration weights.Refer toSection 6 for Span Calibration procedures.3 EC-textEN.pmd 8/9/2005, 1:41 PM4