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Category | Water quality sensor |
Type | New item |
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Type | Pre-owned Items |
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Item description |
เซนเซอร์วัดค่า EC TDS 0-4400us/cm แบบ RS485 modbus RTU EC TDS sensor module RS485 online water quality monitoring
ข้อมูลเบื้องต้น เซนเซอร์ใช้สำหรับการวัดค่าสารละลายในน้ำ โดยจ่ายไฟเลี้ยง 12-24V แล้วนำเซนเซอร์จุ่มน้ำที่ต้องการวัด ตัวหัวอ่านจะส่งข้อมูลไปยังตัวแปลงสัญญาณออกมาเป็น RS485 โดย วิธีการ Calibrate สินค้า
โดยเบื้องต้นให้เตรียม น้ำกลั่น ทิชชู่ และสารละลายสำหรับปรับเทียบคือ สารละลาย EC 1413 uS/cm
แนะนำว่าควรทำการ calibrate ค่าทุก ๆ 2 สัปดาห์ รายละเอียดสินค้า Working voltage: DC12-24V Before you wiring and use, please read this article in detail, Improper use may result in irreversible damage to the product.
Communication protocol
Register Address
Communication example Read Device Address 0x01's EC/TDS Inquiry Frame
Answer Frames
How to calculate EC/TDS EC/TDS = 5EA H = 1514 = 1514 uS/cm (สำหรับรุ่น 0-4400uS/cm ต้องหาร 10 ) ![]() ![]() ![]() ![]() |
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Every item comes with a 30-day warranty. However, there are certain conditions that apply:
The customer should not be responsible for any self-inflicted damage, such as incorrect power connections (for example, supplying 5V instead of the required 3.3V for a sensor).
The product must be in perfect condition, without any breakage or damage caused by electricity (e.g., short circuits leading to electrical fires).
The store does not accept product exchanges due to customer misunderstandings, such as purchasing the wrong size for their project or buying something without eventually using it. Customers can inquire about the product details and ensure compatibility before making a purchase by contacting us through our Line account @modulemore during business hours. Please note that there may be delays in response between 12:00 PM and 2:00 PM.
Return Policy: To initiate a product return, customers must provide the original receipt or a copy for quick verification. Returns can be sent to our store address by following these guidelines:
Please note that the store reserves the right to make the final decision regarding product replacement or refund.
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Last updated | Sep 6, 2025 |