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- Extech RF20 Salinity Refractometer with ATC, ...
منتج #:
106246188
Extech RF20 Salinity Refractometer with ATC, PPT and Specific Gravity
88% من المشترين سيوصون بهذا المنتج لصديق
منتج #:
106246188
QAR 741
تفاصيل السعر
باستثناء رسوم الشحن والجمارك ( سيتم احتساب رسوم الشحن والجمارك عند إتمام الشراء )
*سيتم استيراد جميع العناصر من أمريكا
0 ratings
اكتب رأيك
متوفر فى المخزون
مستورد من متجر USA
كمية:
بقي 10 فقط من المنتج في المخزن.
اطلب الآن واحصل عليه حول Sunday, سبتمبر 13
معاملة آمنة
تعمل يوباي جاهدة لحماية أمنك وخصوصيتك. يضمن نظام أمان الدفع المتقدم لدينا السرية من خلال تشفير معلوماتك أثناء النقل باستخدام بروتوكولات AES (معايير التشفير المتقدمة) وSSL (طبقة المنافذ الآمنة). تفاصيل الدفع الخاصة بك آمنة بنسبة %100 لأننا لا نشارك تفاصيل الدفع الخاصة بك مع بائعين تابعين لجهات خارجية
أفضل شركائنا اللوجستيين
Experience quick and accurate readings with less than 30 second RH response time.
شحن
سريع
استرجاع
مجاني*
تغليف آمن
منتجات أصلية %100
الامتثال لمعيار PCI DSS
حاصل على شهادة ISO 27001
Note: Step Down Voltage Transformer required for using electronics products of أمريكا store (110-120). Recommended power converters اشتري الآن.
مايفيد
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.
تفاصيل المنتج
| Additional Features | High Accuracy |
| Display Type | Digital |
| Power Source | Battery Powered |
| Upper Temperature Range | 30 °C |
| Response Time | 500 milliseconds |
| Reusability | Reusable |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Resolution | 0.001 |
| Outer Material | Plastic |
| Product Care Instructions | Wipe Clean |
| Color | Blue/Black |
| Style Name | Salt (ATC) |
| Specification Met | ISO 9001 |
| Brand Name | Extech |
| Age Range Description | Adult |
| Included Components | Case, calibration screwdriver, calibration solution, guide |
| Model Name | RF20 |
| Model | RF20 |
| UPC | 793950222201 767654314678 |
| Global Trade Identification Number | 00793950222201 |
| Manufacturer | Extech |
| Part Number | RF20 |
| Item Length | 7.6 inches (19.3 cm) |
| Brand | Extech |
| Special Feature | High Accuracy |
| Age Range (Description) | Adult |
| Item Weight | 1 lbs (450 grams) |
ما بداخل الصندوق
Case, calibration screwdriver, calibration solution, guide
من يجب أن يشتري؟
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Aquarium Keepers
Ideal for aquarists monitoring salinity levels to maintain optimal conditions for marine life in their tanks.
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Marine Biologists
Facilitates precise salinity measurements, aiding researchers analyzing water quality and aquatic ecosystem health.
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Hydroponic Farmers
Useful for growers managing nutrient solutions' salinity, ensuring healthy plant growth in hydroponic systems.
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Occasional Users
Not suitable for users needing occasional readings, as it requires regular calibration and specific usage knowledge.
وصف المنتج
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أسئلة العملاء & الإجابات
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سؤال:
What is the Extech RF20 Automatic Temperature Compensation Salinity Refractometer used for?
إجابه: 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. -
سؤال:
How does the automatic temperature compensation feature work?
إجابه: 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. -
سؤال:
Is the Extech RF20 easy to read and calibrate?
إجابه: 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. -
سؤال:
What is the measurement range of the Extech RF20?
إجابه: 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. -
سؤال:
What type of liquid can be tested with the Extech RF20?
إجابه: 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. -
سؤال:
How do I clean and maintain the Extech RF20?
إجابه: 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. -
سؤال:
Can the Extech RF20 be used for freshwater applications?
إجابه: 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. -
سؤال:
What features make the Extech RF20 stand out from other refractometers?
إجابه: 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. -
سؤال:
What is the best way to utilize the Extech RF20 in an aquarium setting?
إجابه: 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. -
سؤال:
Where can I buy Extech RF20 Automatic Temperature Compensation Salinity Refractometer in Qatar?
إجابه: 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 Qatar.
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.
مراجعات العملاء وتقييماتهم
16 تقييمات العملاء
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5 نجمة
51%
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4 نجمة
35%
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3 نجمة
0%
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2 نجمة
14%
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1 نجمة
0%
أضف تقييم لهذا المنتج
شارك أفكارك مع عملاء آخرين
إيجابيات
- 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
سلبيات
- Instructions could be clearer for new users
منصة موثوقة وثقة كاملة للمشتري
LR
Leon
مشتري موثّق
“The delivery time exceeded my expectations. The product was securely packaged.”
20-Jul-26 · عبر Trustpilot
DA
Dhoha
مشتري موثّق
“Was looking for chromatography filters and managed to find them and receive them in a short period of time. Great experience”
22 January 2026 · عبر Trustpilot
MF
Mayerlyn
مشتري موثّق
“Excelente servicio y hasta la puerta de casa ??”
14 February 2026 · عبر Trustpilot
HA
hamza
مشتري موثّق
“Timely delivery and transparency”
19 February 2026 · عبر Trustpilot
PP
Pretty
مشتري موثّق
“It was timely”
4 July 2026 · عبر Trustpilot
الخروج الآمن
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إسترجاع سهل
منتجات أصلية
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- ليست كل المنتجات المدرجة على يوباي معروضة للبيع، لأن يوباي هو محرك بحث عالمي. المنتجات تخضع للوائح التصدير / التجارة.
QAR 741
اطلب الآن واحصل عليه حول Sunday, سبتمبر 13
هذا المنتج غير ممنوع في بلدي. (الرجاء الضغط على الرابط أعلاه إذا لم يكن هذا المنتج ممنوعاً في بلدك ، لذلك سيقوم فريقنا بمراجعته والسماح به.)
كمية:
بقي 10 فقط من المنتج في المخزن.
معاملة آمنة
نوفر لك مدفوعات مشفّرة، وحماية متكاملة للمشتري، مع الالتزام بمعايير PCI DSS وشهادة ISO 27001:2022 لضمان أعلى مستويات الأمان في كل عملية شراء.
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المميزات والفوائد
- Quick response time for rapid measurements.
- Dual backlit display for easy visibility.
- Simultaneous readings for enhanced efficiency.
- Slim design with comfortable rubberized grips.
- Ideal for precise humidity and temperature analysis.
- Perfect for both professional and home use.
ضمان Ubuy
تسوّق بثقة مع منتجات أصلية %100، ومدفوعات آمنة متوافقة مع معيار PCI DSS، وحماية بيانات معتمدة وفق ISO 27001، وشحن دولي سريع، وإرجاع مجاني*، وتغليف آمن لكل طلب.