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

Automatic power-off function

2

The automatic power-off function turns power off after approximately 2
minutes of stable display during the object(s) applied. When there is no
object applied, it will turn off after 30 seconds.

Calibration

1. Make sure that there is nothing on the weighing pan, press and hold
the LIGHT/CAL

Cal

. Release the key.

key approximately 3 seconds. The display shows

2. The scale memorizes the zero point and automatically displays

100.0 g

.

3. Place the calibration weight of 100g on the center of the pan within 10
seconds.

4. After approximately 8 seconds, the scale will display f
success and e

for failure. Then, the scale automatically turns off.

for

5. Turn the scale on again to start the operation.

G If calibration fails, check if anything is touching the weighing pan,

there is vibration or wind, and the calibration weight is correct.

Dimension

20.3

(mm)

60

10

64

98

66

70

Scale Protective cover

3

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