A&D HT-120 Specifications download pdf (Page 5)

Note The batteries provided with the scale are for testing the performance

of the scale and may have a limited life.

When Using the AC adapter

Step 1 Verify that the AC adapter is correct.

Step 2 Plug the AC adapter into the

AC adapter jack.

Possibility of Electrostatic Influence

When the ambient humidity gets low,

plastics and insulators will be easily charged.

That may make the reading unstable and

cause some errors. To reduce the

electrostatic influence, ground the scale

using a threaded screw hole on the bottom.

A ground wire and a screw are not included.

Prepare the screw M3 x @ ~ M3 x # (mm).

WEIGHING

Step 1 Press the ON:OFF key to turn the scale on. The scale displays all

segments for a few seconds and shows zero.

Press the ON:OFF key again to turn the scale off.

Step 2 Press the UNITS key to select an appropriate weighing unit.

The scale will power up with the same weighing unit as the one in use

when turned off last time.

Step 3 Verify that the reading is zero. If not, press the RE-ZERO key to

zero the display. When you use a container for weighing, place an

empty container on the weighing pan and press the RE-ZERO key

to zero the display.

Step 4 Place objects to be weighed on the weighing pan or in the container.

Wait for the STABLE  to be displayed and read the value.

AC adapter jack

AC adapter

Screw hole

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A&D HT-120 Specifications Page 5