A&D HJ-150 User Manual

HJ-150 Compact Scale
Operating Instructions

Cautions

G Avoid installing / leaving the scale in direct sunlight / high humidity.
G Place the scale on a flat and solid surface in a place free from wind.
G Avoid vibration, strong electric or magnetic fields and rapid changes in

temperature or humidity.

G Avoid using the scale near other electronic equipment.
G Do not mix the battery types. Replace all of the batteries at same time.
G If the scale is not to be used for a long period of time, remove the

batteries.

G Avoid over / shock load that could cause damage to the scale.
G Keep the protective cover attached when you carry the scale.
G Wait for more than 6 seconds to let the scale warm up after turning on

the power.

G When the location to be used or the ambient environment has

changed, calibrate the scale before use.

Specifications

Capacity 150 x 0.1 g / 5.29 x 0.01 oz
Display 7 segment LCD with backlight (Character height 8 mm)
Power 2 x “AAA” size batteries
Pan size 60 (W)x 64 (D) mm / 2.36 (W) x 2.52 (D) in.
Accessories Instruction manual, 100g weight, 2 monitor batteries

Weighing pan

Battery cover

Open

Protective cover

Battery

LCD

LIGHT/CAL

+

ON/ZERO/OFF

g / oz

1

Switches

ON/ZERO/OFF Switch:

Press to turn the scale on. In the operation mode, press briefly to set
the display to zero. Press and hold approximately 3 seconds to turn
the scale off.

LIGHT/CAL

In the operation mode, press briefly to turn the LCD backlight on.
Press and hold approximately 3 seconds to enter the calibration mode.

g / oz

In the operation mode, press the switch located on the bottom of the
scale to change the weighing unit between “g” and “oz”.

Switch:

Switch:

Installing / Replacing batteries

Remove the battery covers and insert 2 AAA size batteries into each
housing, taking care with the polarities. Attach the battery covers again.

G Keep the protective cover attached when installing and/or replacing

batteries, to prevent excessive force from being added to the
weighing pan.

Weighing procedures

1. Turn on / off the scale

Press the ON/ZERO/OFF key to turn on the scale. The scale shows
all segments for a few seconds and displays zero. The backlight will turn
on for about one minute. Press and hold approximately 3 seconds to
turn the scale off.

2. Select the weighing unit

Press the g / oz switch to select a weighing unit from “g” and “oz”.

3. Weighing

Verify the reading is zero. If not, press the ON/ZERO/OFF key to
zero the display. If you use a container for weighing, place an empty
container on the weighing pan and press the ON/ZERO/OFF
zero the display.

Place the objects to be weighed on the pan or in the container. Wait for
the display to become stable and read the weight.

G a eaa

means overload. Remove the objects from the pan immediately.

2

key to