RUJIXU Large Digital Kitchen Scale (30kg/66lb) Instruction Manual

1. บทนำ

Thank you for choosing the RUJIXU Large Digital Kitchen Scale. This precision instrument is designed for accurate weighing in various settings, from home kitchens to commercial environments. With a maximum capacity of 30kg (66lb) and multiple functions including tare, unit conversion, price computing, and counting, this scale offers versatility and reliability. Please read this manual thoroughly before use to ensure proper operation and longevity of your device.

Image 1.1: RUJIXU Large Digital Kitchen Scale (Model DT-580)

2. ส่วนประกอบและคุณสมบัติของผลิตภัณฑ์

2.1 คุณสมบัติหลัก

• ความจุสูง: Weighs items from 3g up to 30kg (66lb).
• หลายหน่วย: Supports grams (G), kilograms (KG), pounds (LB), and ounces (OZ).
• ฟังก์ชั่นทดน้ำหนัก: Allows subtraction of container weight for net measurements.
• Counting Function (PCS): Enables counting of small, identical items.
• Price Computing: Calculates price based on weight and unit price input.
• จอแสดงผลแอลซีดีแบ็คไลท์: Provides clear and easy-to-read measurements, even in varying light conditions.
• โครงสร้างทนทาน: Features a stainless steel platform and ABS plastic frame.
• แหล่งจ่ายไฟคู่: Operates with an AC power adapter or 2x 1.5V AA batteries (not included).
• ปิดเครื่องอัตโนมัติ: Automatically shuts off after 120 seconds of inactivity to conserve power.

2.2 มิติ

Image 2.1: Scale Dimensions

The scale features a stainless steel weighing surface measuring approximately 7 inches by 8.7 inches (18cm by 22cm). The overall product dimensions are 9.8 x 9 x 2.5 inches (24.9 x 22.9 x 6.4 cm).

3. การตั้งค่า

3.1 การแกะกล่อง

Carefully remove all components from the packaging. Ensure that the scale, AC power adapter, and user manual are present.

3.2 แหล่งจ่ายไฟ

The scale can be powered by either the included AC power adapter or two 1.5V AA batteries (not included).

• ไฟฟ้ากระแสสลับ: Connect the AC power adapter to the scale's power input port and then plug it into a standard electrical outlet.
• พลังงานแบตเตอรี่: Open the battery compartment on the underside of the scale and insert two 1.5V AA batteries, observing the correct polarity.

บันทึก: The two power sources cannot be used simultaneously. If both are connected, the scale will prioritize AC power.

Image 3.1: Power Supply Modes

3.3 การจัดวาง

Place the scale on a firm, flat, and stable surface to ensure accurate readings. Avoid placing it near strong electromagnetic fields, vibrations, or extreme temperature changes.

4. การดำเนินการ

4.1 การเปิด/ปิด

• หากต้องการเปิดเครื่องชั่ง ให้กดปุ่ม เปิด/ปิด button. The display will light up and show "0.000".
• หากต้องการปิดเครื่องชั่ง ให้กดปุ่มค้างไว้ เปิด/ปิด กดปุ่มค้างไว้สองสามวินาที จนกระทั่งจอแสดงผลดับลง

4.2 การสลับหน่วย

The scale supports four units of measurement: grams (G), kilograms (KG), pounds (LB), and ounces (OZ).

• เมื่อเปิดเครื่องชั่งแล้ว ให้กดปุ่ม โหมด button to cycle through the available units. The selected unit will be displayed on the LCD screen.

Image 4.1: Unit Switching

4.3 ฟังก์ชันทดน้ำหนัก

The tare function allows you to subtract the weight of a container, so you only measure the net weight of its contents.

1. Place the empty container on the weighing platform. The display will show the container's weight.
2. กดปุ่ม ทดค่า button. The display will reset to "0.000".
3. Add the items you wish to weigh into the container. The display will now show only the weight of the items.

Image 4.2: Tare Function Steps

4.4 ฟังก์ชันการนับ (PCS)

The PCS function is useful for counting small, identical items such as screws, coins, or beads.

1. Turn on the scale and ensure it reads "0.000".
2. กดปุ่มค้างไว้ พีซีเอส button for approximately 5 seconds. The display will show a sample size (e.g., "25").
3. Use the number pad to enter the quantity of items you will use as a sample (e.g., "10", "20", "50", "100").
4. วางสample quantity of items on the platform.
5. กดปุ่ม พีซีเอส ปุ่มอีกครั้งเพื่อยืนยัน sample. The scale is now calibrated for counting.
6. ถอด sample and place the bulk quantity of items you wish to count on the platform. The display will show the total count.

Image 4.3: Counting Function Steps

4.5 Price Computing Function

This function allows you to calculate the total price of items based on their weight and a set unit price.

1. Turn on the scale and ensure it reads "0.000".
2. Place the item(s) to be weighed on the platform. The scale will display the weight.
3. Using the number pad, enter the unit price (e.g., price per KG or LB).
4. The scale will automatically calculate and display the total price.

Image 4.4: Price Computing in Use

4.6 คุณสมบัติปิดอัตโนมัติ

To conserve battery life, the scale is equipped with an automatic shut-off feature. If no operation is performed for approximately 120 seconds, the scale will power down.

5. การบำรุงรักษา

5.1 การทำความสะอาด

The stainless steel platform and ABS plastic body are designed for easy cleaning.

• เช็ดพื้นผิวของเกล็ดด้วยผ้าเนื้อนุ่มและแห้งamp ผ้า.
• For stubborn stains, a mild detergent can be used.
• Do not immerse the scale in water or use abrasive cleaners, as this can damage the electronic components.
• ตรวจสอบให้แน่ใจว่าเกล็ดแห้งสนิทก่อนจัดเก็บหรือใช้งานครั้งต่อไป

Image 5.1: Food-Grade Stainless Steel Platform

5.2 พื้นที่จัดเก็บ

Store the scale in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove the batteries to prevent leakage.

6 การแก้ไขปัญหา

• เครื่องชั่งไม่เปิด:
  • Check if the AC adapter is securely plugged in.
  • If using batteries, ensure they are inserted correctly with the right polarity and are not depleted. Replace if necessary.
• การอ่านค่าที่ไม่ถูกต้อง:
  • Ensure the scale is placed on a flat, stable, and level surface.
  • Avoid placing the scale near sources of vibration or drafts.
  • Make sure no objects are touching the scale or platform during weighing.
  • Recalibrate the scale if possible (refer to specific instructions if available, otherwise, turn off and on).
  • Ensure the weight limit (30kg/66lb) is not exceeded.
• หน้าจอแสดงผลมืดหรืออ่านไม่ออก:
  • Check battery level if operating on batteries.
  • Ensure the scale is not in direct sunlight or extremely bright conditions that might wash out the display. The LCD is designed for full view, but extreme glare can still affect visibility.
• "EEEE" or "O-Ld" error message:
  • This indicates an overload. Remove items from the platform immediately to prevent damage.

Image 6.1: Improved LCD Display Visibility

7. ข้อมูลจำเพาะ

Image 7.1: Product Specifications Table