Features & Benefits
- Conductivity range: 0 - 3999 uS/CM
- TDS range: 0 - 2000 PPM
- Temperature compensation and automatic shut-off for battery preservation
- High accuracy
- Pocket size
- Simple to use
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Item #:
31428514
Hanna Instruments HI 98311 Waterproof (Low Range) EC/TDS/Temperature Tester
76% of respondents would recommend this to a friend
Item #:
31428514
0 ratings
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Affordable pocket tester for conductivity and TDS determination with replaceable electrode and automatic calibration
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What Stands Out
Waterproof Design
The HI 98311 tester features a fully waterproof design, ensuring reliable measurements in various environments, making it ideal for outdoor use and ensuring durability against spills and moisture.
Low Range Measurement
Specialized for low range EC and TDS testing, this device offers high accuracy for sensitive applications, effectively addressing the needs of aquarists, hydroponics enthusiasts, and environmental monitoring.
User-Friendly Interface
With an intuitive interface and easy calibration process, this tester is suitable for both beginners and experts, ensuring quick and hassle-free operation for effective temperature and conductivity testing.
Product Details
Who Should Buy?
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Aquarium Hobbyists
Ideal for aquarium owners needing precise measurements of water quality for fish health and overall ecosystem stability.
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Hydroponics Growers
Essential for hydroponics and plant growers to monitor nutrient levels and ensure optimal growth conditions.
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Laboratory Use
Beneficial for laboratory technicians requiring accurate and reliable EC/TDS readings in research and testing environments.
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Industrial Applications
Not suitable for high range or heavy-duty industrial applications requiring robust and extensive water quality testing.
Product Description
Hanna Instruments HI 98311 Waterproof (Low Range) EC/TDS/Temperature Tester
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Customer Questions & Answers
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Question:
What features does the Hanna Instruments HI 98311 Waterproof Low Range ECTD Temperature Tester offer?
Answer: The HI 98311 tester is designed to measure electrical conductivity, temperature, and total dissolved solids (TDS) accurately. It features a waterproof construction, making it ideal for outdoor use or in humid environments. Additionally, the tester has a clear LCD display, user-friendly interface, and automatic temperature compensation (ATC). This combination allows for precise readings, which is essential for gardeners, hydroponics enthusiasts, and aquarists who need to monitor water quality regularly. -
Question:
How does the Hanna Instruments HI 98311 test TDS levels?
Answer: The HI 98311 measures Total Dissolved Solids (TDS) by assessing the electrical conductivity of water. This tester can convert conductivity readings into TDS values using a specific conversion factor. This is crucial for anyone monitoring water quality, such as aquarists managing fish tanks or hydroponics farmers ensuring optimal nutrient levels. Its reliable readings help professionals and hobbyists take necessary action to maintain water conditions. -
Question:
Is the HI 98311 waterproof, and what does that mean for usage?
Answer: Yes, the HI 98311 is fully waterproof, which means you can use it in wet conditions without worrying about damaging the device. This feature is particularly beneficial for outdoor applications like farming, gardening, and water quality checks in lakes or rivers. It allows the user to perform accurate measurements in various environments, ensuring that reliability is maintained even in challenging conditions. -
Question:
What is the range for conductivity measurement on the HI 98311?
Answer: The Hanna Instruments HI 98311 has a conductivity measurement range of 0 to 1999 µS/cm, and it can measure temperatures between 0 to 60°C. This range is suitable for various applications, from aquaculture to agricultural water management. Understanding this range helps users to ensure they are operating within suitable parameters, fostering better monitoring and management of water quality. -
Question:
How do I calibrate the HI 98311 tester?
Answer: Calibrating the HI 98311 is straightforward. You will need to prepare calibration standards, typically at 1413 µS/cm for conductivity. For accurate results, follow the user manual instructions to set the tester into calibration mode, immerse the probe into the standard solution, and press the calibration button. Regular calibration ensures continued accuracy, particularly crucial in environments where water quality varies frequently. -
Question:
What type of battery does the HI 98311 use, and how long does it last?
Answer: The HI 98311 uses a 9V battery, providing a reliable power source for accurate readings. Depending on usage frequency, the battery life can last several months. It's advisable to have a replacement on hand for uninterrupted monitoring, especially if the tester is used in critical applications like aquaculture or laboratory environments. Monitor the battery icon on the display for timely replacements. -
Question:
Can the HI 98311 be used for saltwater applications?
Answer: Yes, the HI 98311 is suitable for measuring conductivity and TDS levels in saltwater environments. It is commonly used by aquarists and marine biologists who need to check the salinity and nutrient levels of saltwater aquariums and oceans. The device's robust features allow it to provide reliable readings, supporting the maintenance of healthy aquatic ecosystems. -
Question:
What should I do if the HI 98311 displays an error?
Answer: If the HI 98311 shows an error message, first ensure the probe is clean and properly connected. If the error persists, refer to the user manual for troubleshooting tips, which may include recalibrating the device or checking the battery. Error messages can often indicate issues with the measurement environment or probe condition, so thorough checks are essential for maintaining optimal performance. -
Question:
Are replacement parts available for the HI 98311?
Answer: Yes, replacement parts such as probes and batteries for the HI 98311 are readily available. Users can purchase them through authorized dealers or online, ensuring the device remains operational. Regular replacement of parts like the probe contributes to accurate readings and prolonged device longevity, which is vital for users who depend on consistent performance in their measurements. -
Question:
Where can I buy the Hanna Instruments HI 98311 Waterproof Low Range ECTD Temperature Tester in Brunei?
Answer: You can purchase the Hanna Instruments HI 98311 Waterproof Low Range ECTD Temperature Tester from Ubuy in Brunei. Ubuy offers a streamlined shopping experience, allowing you to order the product online with options for home delivery. This makes it convenient for users looking to enhance their water quality testing capabilities without the hassle of visiting physical stores.
Hanna Instruments Conductivity Meters & Accessories Editorial Review
The Hanna Instruments HI 98311 Waterproof Low Range ECTDSTemperature Tester is a useful tool for measuring electric conductivity in hydroponic vegetable crops and the salinity of irrigation water. The purchase process and the overall quality of the product have been satisfactory. However, one user reports an issue with the power button, which was not noticed until after the return period had elapsed.
Customer Reviews & Ratings
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Pros
- Waterproof design
- Accurate measurements of electric conductivity and salinity
- Suitable for use in hydroponic vegetable cultivation
Cons
- One user reported an issue with the power button that was not noticed until the return period had elapsed.
Platform Trust & Buyer Confidence
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
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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
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fnd
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“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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