Delta OHM HD21ABE Manual

Delta OHM HD21ABE Manual Manual pdf 42 page image

- -427. B ATTERY SYMBOL – M AINS POWER SUPPLYThe meter is provided with a pack of 4 x 1.2V-2200mA/h Ni-MH rechargeable batteries, placedin the battery compartment.The battery symbol on the display constantly shows the battery charge status. To the extentthat batteries have discharged, the symbol "empties". When the charge decreases still further itstarts blinking.In this case, batteries should be replaced as soon as possible.If you continue to use it, the instrument can no longer ensure correct measurement and turnsoff. Data stored on memory will remain.The battery symbol becomes [≈] when the external power supply is connected and thebatteries charging process is ended.The instrument can be powered by the mains using, for example, the stabilized power supplySWD10 input 100÷240 Vac output 12 Vdc – 1000mA.The power supply positive (pole) must be connected to the central pin.The external power supply connector has an external diameter of 5.5mm and an internal diameter of2.1mm.Warning:The power supply has a double function: it powers the meter and recharge the Ni-MH batterypack.7.1 BATTERIES RECHARGINGTo recharge the battery pack use the SWD10 battery charger supplied with the instrument.Proceed as follows:• Connect the battery charger plug to the mains socket, and the battery charger connector to thesocket placed on the left side of the instrument. The power supply must be 12Vdc.• The batteries recharging process is highlighted on the instrument display with a cyclicvisualization of the batteries level:• Keep charging the batteries until the [≈] symbol appears on the display in the place of thebattery symbol.