A&D Scale HJ150 User Manual

							 1
HJ-150 Compact Scale 
Operating Instructions
 
Cautions 
‰ Avoid installing / leaving the scale in direct sunlight / high humidity. 
‰ Place the scale on a flat and solid surface in a place free from wind. 
‰ Avoid vibration, strong electric or magnetic fields and rapid changes in 
temperature or humidity. 
‰ Avoid using the scale near other electronic equipment. 
‰ Do not mix the battery types. Replace all of the batteries at same time. 
‰ If the scale is not to be used for a long period of time, remove the batteries. 
‰ Avoid over / shock load that could cause damage to the scale. 
‰ Keep the protective cover attached when you carry the scale. 
‰ Wait for more than 6 seconds to let the scale warm up after turning on 
the power. 
‰ When the location to be used or the ambient environment has changed, 
calibrate the scale before use.   
‰ When the display shows  lo , or continues to show  8.
8.
8.
8  more than 
30 seconds after turnig on, replace the batteries with new one. 
 
Specifications 
Capacity: 150 x 0.1 g / 5.29 x 0.01 oz 
Linearity: 
±0.2 g      Repeatability: 0.1 g (Standard deviation) 
Operating environment: 5
 ○C ~ 40 ○C (41 ○F ~ 104 ○F), less than 85% RH 
Display: 7 segment LCD with backlight (Character height 8 mm) 
Power: 2 x “AAA” size batteries, approx. 80 hours with alkaline 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 
 
 
 
 
 
 
 
 
 
LCDLIGHT/CAL
Weighing pan
ON/ZERO/OFF 
Battery cover
g / oz 
Open
Battery + 
						

							 2
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  Switch: 
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  Switch: 
In the operation mode, press the switch located on the bottom of the 
scale to change the weighing unit between “g” and “oz”. 
 
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. 
‰ 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. 
‰ When powered on and unstable weighing continues more than 15 
seconds,  8.
8.
8.
8   display goes to     e      and the scale turns 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  key to zero the 
display.   
						

							 3
60 
20.3 
64 
98 
66 70 
102 
Place the objects to be weighed on the pan or in the container. Wait for   
the display to become stable and read the weight. 
‰   e      means overload. Remove the objects from the pan immediately. 
 
Automatic power-off function 
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  key approximately 3 seconds. The display shows   
 Cal . Release the key. 
2. The scale memorizes the zero point and automatically displays   
100.
0 g . 
3. Place the weight of 100g on the center of the pan within 10 seconds. 
4. After approximately 8 seconds, the scale will display     f   for 
success and     e      for failure. Then, the scale automatically turns off. 
5. Turn the scale on again to start the operation. 
‰ If calibration fails, check if anything is touching the weighing pan, there 
is vibration or wind, and the calibration weight is correct. 
 
Dimension 
(mm) 
 
 
 
 
 
 
 
 
 
 
 
 
         Scale                      Protective cover  
						

							 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1WMPD4000995B 
 
 
   
3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo  170-0013  JAPAN 
Telephone: [81] (3) 5391-6132  Fax: [81] (3) 5391-6148 
 
A&D ENGINEERING, INC. 
1756 Automation Parkway, San Jose, California   95131  U.S.A. 
Telephone: [1] (408) 263-5333  Fax: [1] (408)263-0119 
 
A&D INSTRUMENTS LIMITED   
Unit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire  OX14 1DY   
United Kingdom 
Telephone: [44] (1235) 550420  Fax: [44] (1235) 550485 
 
A&D INSTRUMENTS LIMITED   
Große Straße 13 b 22926 Ahrensburg  Deutschland 
Telephone: [49] (0) 4102 459230  Fax: [49] (0) 4102 459231 
 
A&D MERCURY PTY. LTD. 
32 Dew Street, Thebarton, South Australia  5031  AUSTRALIA 
Telephone: [61] (8) 8301-8100  Fax: [61] (8) 8352-7409 
 
A&D KOREA Limited  
8th Floor, Manhattan Bldg. 36-2 Yoido-dong, Youngdeungpo-ku, Seoul, KOREA 
Telephone: [82] (2) 780-4101  Fax: [82] (2) 782-4280 
 
A&D RUS CO., LTD.  
112 Kuntsevo Block, Vereyskaya st., Moscow, 121357    RUSSIAN FEDERATION 
Telephone: [7] (495) 937-33-44 Fax: [7] (495) 937-55-66 
 
A&D Instruments India Private Limited  
509, Udyog Vihar, Phase-, Gurgaon - 122 016, Haryana, India   
Telephone: 91-124-4715555 Fax: 91-124-4715599