Sarrera
This user manual provides comprehensive instructions for the safe and efficient operation, maintenance, and troubleshooting of your A&D HT Series Compact Scale, model HT-300. Please read this manual thoroughly before using the scale to ensure proper functionality and to prevent damage.
Segurtasun Informazioa
Always observe the following safety precautions to ensure safe operation and to prevent damage to the scale or injury to the user:
- Do not overload the scale beyond its maximum capacity (310 g for HT-300).
- Use the scale on a stable, level surface to ensure accurate readings.
- Saihestu balantza tenperatura altuen, hezetasunaren edo eguzki-argiaren eraginpean jartzea.
- Mantendu balantza eremu elektromagnetiko indartsuetatik urrun.
- Do not disassemble or attempt to repair the scale yourself. Refer to qualified service personnel.
- Garbitu eskala leun batekin, damp oihalik. Ez erabili garbitzaile urratzailerik eta ez murgildu unitatea uretan.
Paketearen edukia
Egiaztatu elementu guztiak paketean daudela:
- A&D HT-300 Compact Scale Unit
- Argibide eskuliburua (dokumentu hau)
- Clear Carry-Case
- AC Adaptor (optional, may be sold separately)
Produktua amaituview

Figure 1: A&D HT-300 Compact Scale. This image shows the top view of the scale, highlighting the weighing pan, the LCD display, and the control buttons for power, hold, and re-zero/tare functions.
The A&D HT-300 Compact Scale is designed for precise weighing in various environments, including schools, laboratories, and for weighing small items like jewelry. It features a stainless steel pan, a backlit LCD display, and multiple units of measure.
Ezaugarri nagusiak:
- Altzairu herdoilgaitzezko pisatzeko platera
- Backlit LCD Display for clear readings
- Multiple Units of Measure (g, oz, lb-oz, ozt, N)
- Stable, Net, and Zero Indicators
- AC Adaptor Option for continuous power
- Clear Carry-Case for portability and protection
Konfigurazioa
- Despaketatzea: Kontu handiz atera balantza eta osagarri guztiak paketetik.
- Lekua: Place the scale on a firm, level, and vibration-free surface. Ensure it is away from direct sunlight, drafts, and heat sources.
- Elikatze-iturria:
- Bateriaren funtzionamendua: Open the battery compartment on the underside of the scale and insert the required batteries (check battery type and polarity).
- AC Adaptor (Optional): If using the AC adaptor, plug it into the scale's power input jack and then into a suitable wall outlet.
- Hasierako piztea: Sakatu ON/OFF button to turn on the scale. The display will show "88888" then "0.0g" (or the last used unit) when ready.
Funtzionamendu-argibideak
1. Piztu/Itzali
- Pizteko: Sakatu tekla ON/OFF botoia.
- Itzaltzeko: Sakatu eta eutsi botoiari ON/OFF button until the display turns off. The scale also features an auto-off function to conserve power.
2. Oinarrizko pisaketa
- Ensure the scale is on a stable surface and displays "0.0g".
- Gently place the item to be weighed on the center of the weighing pan.
- Wait for the reading to stabilize. The "STABLE" indicator will appear on the display.
- Read the weight displayed on the LCD.
3. Tare Function (Zeroing a Container)
Tara funtzioak ontzi baten pisua kentzea ahalbidetzen du, beraz, edukiaren pisu garbia bakarrik neurtzen da.
- Jarri ontzi hutsa pisatzeko platera. Pantailak bere pisua erakutsiko du.
- Sakatu →0/T← (RE-ZERO) button. The display will return to "0.0g" and the "NET" indicator will appear.
- Gehitu pisatu beharreko elementuak ontzira. Pantailak elementuen pisu garbia erakutsiko du.
- To clear the tare, remove the container from the pan and press the →0/T← botoia berriro.
4. Changing Units of Measure
The HT-300 supports multiple units of measure (g, oz, lb-oz, ozt, N).
- Balantza piztuta duzula, sakatu botoia EUTSI botoia behin eta berriz eskuragarri dauden unitateen artean aldatzeko.
- Stop pressing when your desired unit is displayed.
5. Eutsi funtzioa
The hold function allows you to temporarily freeze the displayed weight, even after the item is removed from the pan.
- While an item is on the pan and the weight is stable, press and hold the EUTSI button for a few seconds. The display will show "HOLD" or a similar indicator.
- The weight will remain displayed even if the item is removed.
- To release the hold, press the EUTSI botoia berriro.
Mantentzea
Garbiketa:
- Garbitu eskalaren gainazala zapi leun eta apur batekinamp oihal.
- For stubborn stains, use a mild detergent. Avoid harsh chemicals, abrasive cleaners, or solvents.
- Ziurtatu ez dela likidorik sartzen balantza barrualdean.
- The stainless steel pan can be removed for more thorough cleaning if necessary.
Biltegiratzea:
- When not in use for extended periods, store the scale in its clear carry-case to protect it from dust and damage.
- Gorde leku fresko eta lehor batean, eguzki-argitik eta muturreko tenperaturatik urrun.
- If using batteries, remove them if the scale will not be used for a long time to prevent leakage.
Arazoak konpontzea
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Eskala ez da pizten. | Low or dead batteries; AC adaptor not connected properly. | Replace batteries; check AC adaptor connection. |
| Irakurketa okerrak. | Scale not on a level surface; vibrations; air currents; overloaded. | Place on stable, level surface; avoid drafts; do not exceed capacity. |
| Display shows "EEEE" or "O-Err". | Gainkargaren errorea. | Remove item immediately. Do not exceed maximum capacity. |
| Pantailak "Lo" erakusten du. | Bateria baxuaren adierazlea. | Ordeztu bateriak. |
| Scale does not zero. | Something on the pan; scale not stable. | Remove all items from pan; ensure scale is stable. |
If the problem persists after attempting the solutions above, please contact A&D customer support for assistance.
Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Modelo zenbakia | HT-300 |
| Gehienezko Edukiera | 310 g |
| Irakurgarritasuna (d) | 0.1 g |
| Neurri-unitateak | g, oz, lb-oz, ozt, N |
| Bistaratzeko mota | LCD atzeko argiarekin |
| Pisatzeko platera | Altzairu herdoilgaitza |
| Energia iturria | Batteries (not specified in input, assuming common types like AA/AAA) or Optional AC Adaptor |
| Produktuaren neurriak | 7.68 x 5.35 x 1.85 hazbete |
| Produktuaren pisua | 1.21 kilo |
| Ezaugarri bereziak | Backlit Display, Multiple Weighing Units, Auto Shut Off, Stable/Net/Zero indicators |
Bermea eta Laguntza
A&D Company, Ltd. provides a limited warranty for this product against defects in materials and workmanship. The specific terms and duration of the warranty may vary by region and purchase date. Please retain your proof of purchase for warranty claims.
For technical support, service, or warranty inquiries, please contact A&D customer service through their official website or the contact information provided with your product packaging. When contacting support, please have your model number (HT-300) and purchase details ready.
For more information, visit the official A&D webgunea: www.andweighing.com





