Summary of HT-120
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2 safety precautions all safety messages are identified by the following, "warning" or "caution", of ansi z535.4 (american national standard institute: product safety signs and labels). The meanings are as follows: this manual is subject to change without notice at any time to improve the product. P...
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3 compliance with fcc rules please note that this equipment generates, uses and can radiate radio frequency energy. This equipment has been tested and has been found to comply with the limits of a class a computing device pursuant to subpart j of part 15 of fcc rules. These rules are designed to pro...
Page 4: Installing Batteries
4 on:off key turns the scale power on/off. Re-zero key sets the display to zero. When the weight is within ±2% of the weighing capacity to the zero point at the power-on, the key will zero the scale. When the weight exceeds +2%, it will be subtracted as tare weight. Mode key changes the weighing uni...
Page 5: When Using The Ac Adapter
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 ...
Page 6: Errors
6 errors e e eeee overload. Remove object from the weighing pan. ------ out of range or unstable error. There is a load beyond the zero range at the power-on. When pressed the re-zero key or powered on, unstable weighing shows this display either. Lb eeee low battery. Replace batteries with four new...
Page 7: Automatic Power Off Function
7 automatic power off function if the scale is left on and the stable is displayed, the automatic power-off function turns power off after approximately 5 minutes. Poff 0 automatic power off function is disabled. Poff 1 automatic power off function is enabled. (factory default) setting the response/...
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8 setting the weighing units to use the scale has the weighing units listed in the table below and the units to be used only can be selected. Set the weighing units enabled or disabled as appropriate. There are three types of taels, hk general/singapore tael, hk jewelry tael and taiwan tael. But one...
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9 calibration when is calibration required? Calibration may be required when the scale was initially installed or has been moved to another location. Calibration using a calibration weight step 1 press the calibration switch while the scale is in the weighing mode. Then, cal will be displayed. Step ...
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10 gravity acceleration of your scale to the value of the area where the scale is used. See “the value of gravity acceleration at various locations” of this manual. Step 1 start from cal display at the step 1 of “calibration using a calibration weight”, and press the units key and the current accele...
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11 specifications model ht-120 weighing capacity 120 g resolution 0.01 g non-linearity ± 0.02 g repeatability 0.01 g (std. Deviation) span drift 50 ppm/°c (5°c to 35°c / 41°f to 95°f) operating temp. -10°c to 40°c / 14°f to 104°f, less than 85%rh display 15 mm / 0.59 inches, 7segment lcd with backli...
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12 3-23-14 higashi-ikebukuro, toshima-ku, tokyo 170-0013, japan telephone: [81] (3) 5391-6132 fax: [81] (3) 5391-6148 http://www.Aandd.Jp/ a&d engineering, inc. 1756 automation parkway, san jose, california 95131, u.S.A. Telephone: [1] (408) 263-5333 fax: [1] (408) 263-0119 http://www.Andonline.Com/...