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Digital Salinity Meter 3-in-1 Saltwater Tester Specific Gravity, Salinity & Temperature Pen Hydrometer, High Accuracy Water Quality Tester for
SCR 997
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Conductivity is effected by temperature, so we set Automatic Temperature Compensation (ATC) function for reading always be accurate at various temperatures.
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What Stands Out
Product Details
- Smart & Easy to Use – Backlit LCD screen for clear readings, automatic temperature compensation (ATC), and audible beeps at the start and finish of testing. Designed for quick, hassle-free measurements.
- 3-in-1 Salinity Testing – Measures Specific Gravity (1.000–1.045), Salinity (0–55 ppt), and Temperature (1–99 °C). Perfect for aquariums, marine reef tanks, swimming pools, hydroponics, aquaculture, and more.
- High Accuracy & Resolution – Specific Gravity resolution 0.001 (±0.002), Salinity 0.1 ppt (±1 ppt), and Temperature ±1 °C. Detects even subtle water quality changes for reliable monitoring.
- Auto Power-Saving Design – Turns off automatically after 60 seconds of inactivity. Low battery indicator ensures uninterrupted testing. Powered by 2 × AAA batteries for convenience.
- Portable & Durable Build – Compact pen-type body fits easily in one hand. Life waterproof design makes it ideal for both indoor lab work and outdoor field testing. Carry anywhere for instant, accurate water measurements.
| Item Weight | 8.8 ounces (249.48 grams) |
| Manufacturer | Dongguan Shengshan Electronic Technology CO.LTD |
| Item model number | AG-001 |
| Date First Available | October 21, 2021 |
| Item Package Dimensions L x W x H | 8.86 x 4.41 x 1.65 inches (22.5 x 11.2 x 4.2 cm) |
| Brand Name | Anbachi |
| Target Audience Keyword | fish, fish researcher chef pisciculture fish-farming |
| Material | Silica Gel |
Who Should Buy?
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Aquarists
Ideal for aquarium enthusiasts who need precise salinity measurements for maintaining aquatic life health.
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Hydroponic Farmers
Suitable for hydroponic growers wanting accurate water salinity to optimize plant growth and nutrient absorption.
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Aquaculture Professionals
Helpful for aquaculture operators monitoring water quality and salinity levels for fish and seafood production.
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Casual Users
Not ideal for casual water testers who might prefer simpler or less technical measurement options.
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Freshwater Enthusiasts
Less useful for freshwater aquarium owners as it specifically measures salinity and not freshwater parameters.
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Field Researchers
May not meet the durability and range requirements needed for extensive field research applications.
Product Description
Customer Questions & Answers
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Question:
What is a saltwater meter and what does it measure?
Answer: A saltwater meter, also known as a salinity meter or digital water tester, is a precise instrument used to measure salinity, specific gravity (SG), and temperature of water. This meter is crucial for maintaining optimal conditions in aquariums, hydroponics, fish ponds, and aquaculture systems. It works by sending an electrical current through the water sample to determine the concentration of dissolved salts. A consistent measurement ensures that aquatic life thrives and that plants receive the proper nutrients. -
Question:
How do I use the saltwater meter for accurate readings?
Answer: To use the saltwater meter effectively, first ensure it's calibrated according to manufacturer instructions. Simply submerge the probe in the water sample and wait for the reading to stabilize. The digital display will show salinity, specific gravity, and temperature. Regular monitoring (daily or weekly) is essential to ensure water conditions remain stable for aquatic ecosystems, especially in aquariums where fluctuating salinity levels can stress marine life. -
Question:
Can this meter be used in both freshwater and saltwater?
Answer: This saltwater meter is designed for both saltwater and freshwater applications, providing versatility for various aquatic setups. While primarily aimed at saltwater environments, its high accuracy allows for reliable readings in freshwater conditions as well. This feature is particularly useful for users managing multiple systems, ensuring that they can monitor and adjust salinity levels appropriately, fostering a healthy environment for both marine and freshwater species. -
Question:
What is the importance of measuring salinity for aquaculture?
Answer: Measuring salinity in aquaculture is critical because it directly affects the health and growth of aquatic organisms. Proper salinity levels help maintain osmotic balance, influence metabolic functions, and promote optimal feeding conditions. Utilizing a saltwater meter ensures accurate monitoring of salinity, allowing aquaculture operators to make informed decisions about water quality management. By maintaining ideal salinity levels, fish farmers can enhance productivity and reduce stock mortality rates. -
Question:
Does the saltwater meter require any special maintenance?
Answer: Yes, while the saltwater meter is designed for durability, proper maintenance ensures its longevity and accurate performance. Rinse the probe with distilled water after each use to avoid salt buildup and calibrate regularly with standard solutions. Cleaning the probe gently and storing it properly protects the sensitive components, ensuring longevity and continued reliable readings. Regular care is essential for users who demand consistent results from their equipment. -
Question:
What features should I look for in a salinity meter?
Answer: Key features to consider when selecting a salinity meter include measurement accuracy, ease of use, calibration options, and display readability. A digital display with clear readings enhances usability, while a pen-type design offers portability. Calibration capability is essential for ensuring ongoing accuracy. Additionally, a meter that measures temperature, specific gravity, and salinity simultaneously adds significant value for aquarists and hydroponic growers monitoring multiple parameters for optimal ecosystems. -
Question:
How does temperature affect salinity readings?
Answer: Temperature can impact salinity readings because water's capacity to hold salt varies with temperature changes. Colder water typically holds more dissolved gases, which can affect the readings of a salinity meter. Many advanced models come with temperature compensation features to account for this phenomenon and provide consistently accurate readings regardless of the water temperature. Understanding this relationship is vital for maintaining aquatic environments where temperature fluctuations are common. -
Question:
Is this meter suitable for hydroponics?
Answer: Absolutely! The saltwater meter is highly suitable for hydroponic systems. Monitoring salinity helps ensure that plants receive the correct nutrient mix. High salinity can indicate nutrient overload, while too low can signal deficiencies. Regular checks using this meter allow hydroponic gardeners to make informed adjustments to their nutrient solutions, promoting healthier plant growth and better yields. It serves as an indispensable tool in precision agriculture and gardening. -
Question:
What is specific gravity and why is it important?
Answer: Specific gravity is the ratio of the density of a substance to the density of a reference substance, typically water. In aquariums, specific gravity measurements are important for understanding the overall health of the aquatic ecosystem. It indicates the concentration of elements within the water, influencing buoyancy, behavior, and metabolic functions of fish. Monitoring specific gravity through a reliable saltwater meter helps hobbyists or aquaculture practitioners maintain balanced conditions for fish and plant species. -
Question:
Where can I buy the Saltwater Meter in Seychelles?
Answer: You can purchase the Saltwater Meter from Ubuy. They offer a wide selection of digital water testers, including models designed for salinity, specific gravity, and temperature measurement. Ubuy provides a user-friendly platform, ensuring you can easily find the product that best meets your requirements, complete with detailed descriptions and specifications to facilitate your decision-making process.
Product Price History
Important information
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SCR 997
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Accurate and consistent conductivity readings
- Big backlight screen for clear reading in poor light
- Easy to use, just soak metal probe and get result instantly
- Multipurpose tester for various purposes
- Automatic shut down function to save energy












