Extech RF20 Salinity Refractometer with ATC, PPT and Specific Gravity
Experience quick and accurate readings with less than 30 second RH response time.
Extech RF20 Salinity Refractometer with ATC, PPT and Specific Gravity
Sản phẩm #: 106246188

Extech RF20 Salinity Refractometer with ATC, PPT and Specific Gravity

Sản phẩm #: 106246188

VND 4219560

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from Hoa Kỳ

Trong kho
Hoa Kỳ Đã nhập từ cửa hàng USA

QTY:

Chỉ còn 10 sản phẩm trong kho.
Đặt hàng ngay bây giờ và nhận hàng vào khoảng Thứ Sáu, Tháng 9 25
Our Top Logistics Partners
  • fedex
  • dhl
Experience quick and accurate readings with less than 30 second RH response time.
Bảo hành của U-Care:
Không có
Chọn một kế hoạch
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of Hoa Kỳ store (110-120). Recommended power converters Mua ngay.

What Stands Out

Automatic Temperature Compensation
Ensures accurate salinity measurements by automatically adjusting readings based on temperature changes, eliminating user guesswork and enhancing reliability in diverse environmental conditions.
User-Friendly Design
Designed for ease of use, this refractometer features a clear scale and simple operation, making it perfect for both novice and professional users in aquaculture and laboratory settings.
Versatile Applications
Ideal for various industries, including aquaculture, horticulture, and environmental monitoring, the RF20 addresses multiple user needs while delivering precise salinity measurements across different solutions.

Thông tin chi tiết sản phẩm

Shop Extech RF20 Salinity Refractometer with ATC, PPT and Specific Gravity online at a best price in Vietnam. B00023RYQS
Additional FeaturesHigh Accuracy
Display TypeDigital
Power SourceBattery Powered
Upper Temperature Range30 °C
Response Time500 milliseconds
ReusabilityReusable
Indoor Outdoor UsageIndoor, Outdoor
Resolution0.001
Outer MaterialPlastic
Product Care InstructionsWipe Clean
ColorBlue/Black
Style NameSalt (ATC)
Specification MetISO 9001
Brand NameExtech
Age Range DescriptionAdult
Included ComponentsCase, calibration screwdriver, calibration solution, guide
Model NameRF20
ModelRF20
UPC793950222201 767654314678
Global Trade Identification Number00793950222201
ManufacturerExtech
Part NumberRF20
Item Length7.6 inches (19.3 cm)
BrandExtech
Special FeatureHigh Accuracy
Age Range (Description)Adult
Item Weight1 lbs (450 grams)

What's in the box

Case, calibration screwdriver, calibration solution, guide

Who Should Buy?

Suitable For
  • Aquarium Keepers

    Ideal for aquarists monitoring salinity levels to maintain optimal conditions for marine life in their tanks.

  • Marine Biologists

    Facilitates precise salinity measurements, aiding researchers analyzing water quality and aquatic ecosystem health.

  • Hydroponic Farmers

    Useful for growers managing nutrient solutions' salinity, ensuring healthy plant growth in hydroponic systems.

Not Suitable For
  • Occasional Users

    Not suitable for users needing occasional readings, as it requires regular calibration and specific usage knowledge.

MÔ TẢ SẢN PHẨM

Có thắc mắc? Trò chuyện với chúng tôi

Câu hỏi và trả lời của khách hàng

  • câu hỏi: What is the Extech RF20 Automatic Temperature Compensation Salinity Refractometer used for?

    trả lời: The Extech RF20 is designed to measure the salinity of liquids, particularly useful for aquarists and marine biologists. This refractometer employs automatic temperature compensation, ensuring that readings remain accurate regardless of temperature variations. Whether you're monitoring seawater salinity in an aquarium or checking brine solutions for food processing, this device provides dependable results. Its compact design and robust construction make it an ideal tool for both professionals and hobbyists.
  • câu hỏi: How does the automatic temperature compensation feature work?

    trả lời: Automatic temperature compensation (ATC) in the Extech RF20 adjusts the salinity readings based on the liquid's temperature. This is crucial because salinity can vary with temperature, and accurate readings depend on maintaining consistent conditions. When using the device, the ATC function helps ensure that the refractometer provides precise salinity results, making it essential for applications in aquaculture and environmental monitoring where temperature fluctuations are common.
  • câu hỏi: Is the Extech RF20 easy to read and calibrate?

    trả lời: Yes, the Extech RF20 features a clear optical readout, allowing for straightforward interpretation of results. Calibrating the unit is simple and can be performed using distilled water to ensure accuracy. Users just need to adjust the scale according to the distilled water reading. This ease of use is particularly beneficial for newcomers to marine science or aquaponics, who may need a reliable tool without a steep learning curve.
  • câu hỏi: What is the measurement range of the Extech RF20?

    trả lời: The Extech RF20 measures salinity within a range of 0 to 100 ppt (parts per thousand). This extensive range makes it suitable for various applications, from saltwater aquariums, where salinity is typically around 35 ppt, to brining processes in food applications. Such versatility allows users to apply the device across multiple settings, making it an indispensable tool for both hobbyists and professionals alike.
  • câu hỏi: What type of liquid can be tested with the Extech RF20?

    trả lời: The Extech RF20 is specifically designed for testing saltwater solutions, such as marine environments, aquariums, and brine solutions. It's not advisable to use it for testing non-saline liquids as the refractometer operates on principles specific to saline solutions. For aquarists monitoring their salt levels or for chefs creating brined foods, this tool provides a reliable way to ensure optimal salinity levels for health and flavor.
  • câu hỏi: How do I clean and maintain the Extech RF20?

    trả lời: To clean the Extech RF20, users should rinse the prism with distilled water after each use to remove any residue from the liquid being tested. It’s essential to avoid using abrasive materials that could scratch the prism. Regular maintenance is key to ensuring accuracy; checking calibration often will help maintain consistent performance, especially in environments with varying salinity levels, such as aquariums.
  • câu hỏi: Can the Extech RF20 be used for freshwater applications?

    trả lời: While primarily designed for saline measurements, the Extech RF20 can be used indirectly for freshwater scenarios by observing changes in salinity. However, it is not optimal for freshwater testing as it lacks specificity for non-saline solutions. Users requiring accurate freshwater measurements might need alternative tools specifically designed for freshwater calibration. Nevertheless, understanding salinity variations can still complement freshwater management practices.
  • câu hỏi: What features make the Extech RF20 stand out from other refractometers?

    trả lời: The Extech RF20 stands out due to its automatic temperature compensation, ensuring accurate salinity readings across varied temperatures. Its built-in scale is highly readable, and its durable design is tailored for both fieldwork and laboratory use. The versatility and reliability of the Extech RF20 make it ideal for aquarists, environmentalists, and food technical experts, providing accurate results while being user-friendly.
  • câu hỏi: What is the best way to utilize the Extech RF20 in an aquarium setting?

    trả lời: In an aquarium setting, the Extech RF20 should be used regularly to monitor salinity levels, especially for saltwater systems. Regular checks are crucial for maintaining a healthy environment for marine life. Users can take readings at different times of day to understand how salinity may fluctuate due to evaporation or other factors. This proactive monitoring helps ensure that aquatic organisms remain in optimal conditions, promoting health and vitality.
  • câu hỏi: Where can I buy Extech RF20 Automatic Temperature Compensation Salinity Refractometer in Vietnam?

    trả lời: You can purchase the Extech RF20 Automatic Temperature Compensation Salinity Refractometer on Ubuy. Ubuy offers a wide range of quality products and is recognized for providing a seamless online shopping experience tailored to customers in Vietnam.

Extech Refractometers Editorial Review

Extech RF20 Salinity Refractometer with ATC, PPT and Specific Gravity offers high accuracy and a digital display, making it ideal for measuring salinity levels in aquariums. Users appreciate its easy calibration, which requires just distilled water and 10 seconds of time, and note that it provides accurate readings faster than traditional hydrometers. Many customers highlight how essential this tool is for maintaining healthy aquatic environments, as incorrect salinity levels can harm sensitive fish. Additionally, the included components like a calibration screwdriver and solution enhance its usability, showing that thought has been put into the product's design.

Customer Reviews & Ratings

16 điểm của khách hàng
  • 5 sao
    51%
  • 4 sao
    35%
  • 3 sao
    0%
  • 2 sao
    14%
  • 1 sao
    0%

Đánh giá sản phẩm này

Chia sẻ suy nghĩ của bạn với các khách hàng khác

ưu

  • High accuracy for precise measurements
  • Digital display is easy to read
  • Quick calibration process with distilled water
  • Includes calibration solution and screwdriver
  • Lightweight and portable design
  • Durable plastic outer material

Nhược điểm

  • Instructions could be clearer for new users

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9300 + đánh giá
Read reviews
JG
Jazz
Verified buyer

“Easy to use and always helpful and sorts any issues I've had past and present”

1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer

“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”

31 August 2026 · via Trustpilot
F
fnd
Verified buyer

“The delivery was fast and the product came undamaged and authentic.”

29 August 2026 · via Trustpilot
LC
Leana
Verified buyer

“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”

25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer

“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
Thanh toán An toàn Global Delivery Easy Returns Genuine Products

Product Price History

Thông tin quan trọng

  • Hạn chế: Đối với các sản phẩm được vận chuyển quốc tế, xin lưu ý rằng bất kỳ chính sách bảo hành nào của nhà sản xuất có thể không còn hiệu lực; các tùy chọn dịch vụ của nhà sản xuất có thể không khả dụng; hướng dẫn sử dụng sản phẩm, hướng dẫn và cảnh báo an toàn có thể không có bằng ngôn ngữ của quốc gia đến; các sản phẩm (và các tài liệu đi kèm) có thể không được thiết kế theo các tiêu chuẩn, thông số kỹ thuật và các yêu cầu ghi nhãn của quốc gia đến; và các sản phẩm có thể không phù hợp với điện áp của quốc gia đến cũng như các tiêu chuẩn khác về điện (cần phái sử dụng đầu nối hoặc bộ chuyển đổi nếu thích hợp). Người nhận có trách nhiệm đảm bảo rằng sản phẩm có thể được nhập khẩu hợp pháp đến quốc gia đến. Khi đặt hàng từ Ubuy hoặc các chi nhánh của Ubuy, người nhận là nhà nhập khẩu trong hồ sơ, đồng thời phải tuân thủ tất cả các luật cũng như quy định của quốc gia đến.
  • Không phải tất cả các sản phẩm được liệt kê trên Ubuy đều được rao bán, vì Ubuy là một công cụ tìm kiếm toàn cầu. Sản phẩm phải tuân theo các quy định về xuất khẩu/thương mại.