Sartorius Entris II Compact Precision Scale Lab Balance

1. บทนำ

This manual provides essential instructions for the proper setup, operation, and maintenance of your Sartorius Entris II Compact Precision Scale Lab Balance, model BCE 2202-1S. This high-precision weighing system is designed for laboratory applications, featuring a high-resolution color touchscreen display, RS-232, and USB interfaces, and requiring external calibration for accurate measurements.

Please read this manual thoroughly before using the device to ensure safe and correct operation and to achieve optimal performance.

2. คำแนะนำด้านความปลอดภัย

• ควรใช้งานเครื่องชั่งบนพื้นผิวที่มั่นคงและเรียบ ปราศจากการสั่นสะเทือนเสมอ
• Ensure the power supply matches the specifications indicated on the device.
• Avoid exposing the balance to extreme temperatures, direct sunlight, or strong air currents.
• Do not disassemble the balance; refer servicing to qualified personnel.
• Keep the weighing pan and surrounding area clean and free from debris.
• Use only original Sartorius accessories and spare parts.

3. สินค้าหมดview

The Sartorius Entris II BCE 2202-1S is a compact laboratory balance designed for precise measurements. Key components include the weighing pan, a high-resolution color touchscreen display, and intuitive control buttons.

รูปที่ 1: ด้านหน้า view of the Sartorius Entris II Compact Precision Scale Lab Balance. This image displays the balance with its stainless steel weighing pan, the digital display showing '0.00 g', and control buttons below the display, including power and tare functions. The Sartorius logo is visible on the front panel.

รูปที่ 2: ด้านข้าง view of the Sartorius Entris II Compact Precision Scale Lab Balance with indicated dimensions. The image shows the balance from an angled perspective, highlighting its compact form factor. Dimensions are marked as approximately 8.66 inches in width, 7.56 inches in depth, and 2.13 inches in height.

4. การตั้งค่า

1. การแกะกล่อง: Carefully remove the balance and all accessories from the packaging. Retain the original packaging for future transport or storage.
2. การจัดวาง: Place the balance on a firm, level, and vibration-free surface. Ensure it is away from direct heat sources, air conditioning vents, and open windows to prevent measurement inaccuracies caused by temperature fluctuations or drafts.
3. การปรับระดับ: Use the adjustable feet at the base of the balance to level the device. Adjust until the air bubble in the spirit level (usually located near the display) is centered.
4. การเชื่อมต่อไฟฟ้า: Connect the provided power adapter to the balance and then to a suitable power outlet.
5. การสอบเทียบเบื้องต้น: This model requires external calibration. Refer to Section 5.4 for detailed calibration procedures before first use to ensure accurate measurements.

5. คู่มือการใช้งาน

5.1 เปิด/ปิดเครื่อง

กดปุ่ม พลัง button (usually marked with a circle and a vertical line) to turn the balance on or off. Allow a brief warm-up period for stable readings after powering on.

5.2 การชั่งน้ำหนักพื้นฐาน

1. Ensure the weighing pan is empty and the display shows '0.00 g'. If not, press the ศูนย์ ปุ่ม.
2. วางสิ่งของที่จะชั่งน้ำหนักลงตรงกลางถาดชั่งอย่างระมัดระวัง
3. Wait for the reading to stabilize (a stability indicator, often a small circle or arrow, will appear on the display).
4. อ่านน้ำหนักที่แสดงบนหน้าจอ

5.3 การทาร์ริง

Taring allows you to subtract the weight of a container, so only the net weight of the sampวัดค่าได้

1. Place the empty container onto the weighing pan.
2. กดปุ่ม ทาเร่ button (usually marked with a 'T' or '→0←'). The display will reset to '0.00 g'.
3. เพิ่ม sample to the container. The display will show the net weight of the sampเล.

5.4 External Calibration

External calibration ensures the accuracy of your balance. This procedure requires a certified calibration weight appropriate for the balance's capacity (e.g., 2000g for a 2220g balance).

1. Ensure the balance is leveled and has been warmed up for at least 30 minutes.
2. Access the calibration menu via the touchscreen display. (Consult the on-screen prompts or the full Sartorius user manual for specific menu navigation).
3. Follow the on-screen instructions to initiate the external calibration process.
4. When prompted, place the specified calibration weight onto the center of the weighing pan.
5. Wait for the balance to complete the calibration process.
6. Remove the calibration weight when instructed. The balance will return to normal weighing mode.

6. การบำรุงรักษา

6.1 การทำความสะอาด

• Disconnect the balance from the power supply before cleaning.
• Clean the weighing pan and housing with a soft, damp ผ้าและผงซักฟอกอ่อนๆ
• Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the display or housing.
• Ensure no liquids enter the balance housing.

6.2 การดูแล

• Handle the balance with care; avoid dropping or subjecting it to shocks.
• Regularly check the leveling of the balance.
• Perform periodic external calibrations to maintain accuracy.

7 การแก้ไขปัญหา

• การอ่านค่าที่ไม่เสถียร: Check for drafts, vibrations, or temperature fluctuations. Ensure the balance is level.
• แสดงข้อความแสดงข้อผิดพลาด: Refer to the full Sartorius user manual for specific error codes. Often, a power cycle (turning off and on) can resolve minor issues.
• Balance Not Powering On: Check the power cable connection and the power outlet. Ensure the power adapter is functioning correctly.
• การอ่านค่าที่ไม่ถูกต้อง: Perform an external calibration (refer to Section 5.4). Ensure the weighing pan is clean and correctly seated.

If problems persist, contact Sartorius customer support or an authorized service technician.

8. ข้อมูลจำเพาะ

9. การรับประกันและการสนับสนุน

For warranty information, technical support, or service inquiries, please refer to the official Sartorius website or contact your authorized Sartorius dealer. Keep your purchase receipt and product serial number readily available when contacting support.