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- HI98121 Hanna pH ORP Temperature Combo Water ...
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Item #:
105083361
HI98121 Hanna pH ORP Temperature Combo Water Tester - Checker
80% of respondents would recommend this to a friend
Item #:
105083361
€ 342
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Imported from USA store
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Order now and get it around Monday, September 28
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No more switching between meters for your routine measurements with the portable Hanna HI98121.
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What Stands Out
Multi-Parameter Testing
Simultaneously measures pH, ORP, and temperature, providing comprehensive water quality analytics for efficient monitoring and accurate assessments, ideal for both professional and home use.
Easy Calibration
User-friendly calibration process ensures precision and reliability, making it accessible for users at all experience levels while maintaining consistent performance over time.
Durable Design
Built for resilience, the tester is waterproof and rugged, guaranteeing long-lasting use in various environments, ensuring reliability for hobbyists and professionals alike.
Product Details
| Power Source | Battery Powered |
| Minimum Operating Voltage | 1.5 volts |
| Upper Temperature Rating | 50 u00b0C |
| Measurement Type | pH units, mV, degrees Celsius, degrees Fahrenheit |
| Style Name | Water checker |
| Color | Green |
| Specification Met | Ul 61010-1, Iec 61010-2-030 |
| Brand Name | WLR Industries |
| Model | HI98121 |
| Unit Count | 1 Count |
| UPC | 850063330091 |
| Number of Items | 1 |
| Manufacturer | WLR Industries |
| Number of Packs | 1 |
| Included Components | cuvettes, battery, instructions and quick start guide. |
| Part Number | HI98121 |
| Brand | WLR Industries |
| Style | Water checker |
| Min. Operating Voltage | 1.5 volts |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Aquarium Enthusiasts
Ideal for those maintaining aquariums, as it ensures optimal water quality for fish health.
-
Hydroponic Farmers
Perfect for hydroponic setups, allowing growers to monitor pH levels crucial for plant growth.
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Laboratory Technicians
Beneficial for lab environments where precise water testing is essential for experiments and research.
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Casual Users
Not suitable for casual users who require only basic water quality checks without advanced precision.
Product Description
HI98121 Hanna pH ORP Temperature Combo Water Tester - Checker
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the HI98121 Hanna pH ORP Temperature Combo Water Tester used for?
Answer: The HI98121 Hanna pH ORP Temperature Combo Water Tester is designed for precise measurement of pH, oxidation-reduction potential (ORP), and temperature in various water samples. This multifunctional tool is ideal for aquarists, horticulturists, and anyone involved in water quality testing. With its dual functionality, users can effectively monitor the health of aquariums or hydroponic systems, ensure accurate nutrient delivery, and check pool water balance. Its user-friendly interface enhances efficiency, making it suitable for both amateur and professional applications. -
Question:
How do I calibrate the HI98121 Hanna tester?
Answer: Calibrating the HI98121 Hanna tester involves using standard buffer solutions for pH calibration. First, turn on the device and immerse the probe in a pH 4.01 buffer solution; follow the prompts to calibrate. Repeat with a pH 7.01 solution for more accuracy. The testing needs regular calibration, especially if it's frequently used in different environments. This ensures your readings are consistently accurate, which is essential for scientific measurements, aquarium maintenance, and gardening precision. -
Question:
What is the accuracy of the HI98121 water tester?
Answer: The HI98121 water tester offers a high degree of accuracy, with a pH accuracy of ±0.02 and an ORP accuracy of ±2 mV. High precision is crucial for users who need reliable data for applications like aquaculture or wastewater management. Even small deviations in pH and ORP can significantly impact aquatic life or chemical treatments. Thus, regular calibration and maintenance of the device ensure optimum performance and reliable readings throughout its varied applications. -
Question:
Can I use the HI98121 for testing different types of water?
Answer: Yes, the HI98121 pH ORP tester can be used for various water types, including freshwater, seawater, and wastewater. Its versatile design allows you to switch between different environments effortlessly. This makes it an excellent choice for aquarists monitoring tank water, farmers checking irrigation supplies, or environmental professionals analyzing water quality. Its dual measurement capabilities provide comprehensive insights into water conditions, ensuring users can maintain optimal environments in their specific applications. -
Question:
What are the main features of the HI98121 Hanna tester?
Answer: Key features of the HI98121 include automatic temperature compensation (ATC), automatic calibration for pH, and intuitive user prompts. It also has a clear LCD display that makes reading measurements straightforward and accessible. The durability of the probe and the tester itself ensures that it can withstand rigorous use in various water testing environments. These features enable seamless transitions from one measurement to another, enhancing its usability for professionals and hobbyists alike. -
Question:
Is the HI98121 tester suitable for beginners?
Answer: Absolutely! The HI98121 is designed with user-friendliness in mind, making it accessible for beginners without sacrificing performance. The straightforward interface and automatic calibration features reduce the complexity typically associated with water testing tools. With clear instructions and prompts, new users can easily navigate the tester’s functions. This makes it an excellent starting point for hobbyists entering the world of water testing, ensuring they can accurately measure and understand their water samples. -
Question:
What maintenance does the HI98121 require?
Answer: Regular maintenance of the HI98121 includes cleaning the probe after each use and storing it correctly, typically in a storage solution. Keeping the probe clean ensures that it remains responsive and produces accurate readings. Additionally, it's essential to check and calibrate the device periodically, especially if used in varying pH and ORP environments. This maintenance guarantees the longevity of the device and the reliability of measurements across diverse applications. -
Question:
How can I extend the lifespan of the HI98121 tester?
Answer: To extend the lifespan of your HI98121 tester, proper handling and maintenance are crucial. Avoid exposing the device to extreme temperatures or harsh chemicals, which can damage the internal components. Cleaning the probe with a soft cloth and ensuring it's stored in accordance with the manufacturer's instructions helps to maintain functionality. Regular calibration also ensures the device continues to deliver accurate results, promoting its long-term performance for frequent users. -
Question:
What batteries does the HI98121 use and how long do they last?
Answer: The HI98121 uses 4 x 1.5V AAA batteries, which provide a long operational life under normal usage conditions. Battery longevity can vary based on frequency of use and conditions, but users can typically expect extended periods of reliable performance. The tester also features an automatic shut-off function, which helps conserve battery life when not in use. Being mindful of these factors enables users to ensure their device remains operable when they need it most. -
Question:
Where can I buy the HI98121 Hanna pH ORP Temperature Combo Water Tester in Aland Islands?
Answer: You can purchase the HI98121 Hanna pH ORP Temperature Combo Water Tester from Ubuy. They offer an extensive selection of e-commerce products and provide a reliable platform for acquiring this versatile testing tool. Ubuy also ensures a seamless shopping experience with various product listings and detailed information, making it convenient for customers in Aland Islands to find and order the tester online.
WLR Industries Aquarium Test Kits Editorial Review
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Pros
- Accurate pH measurement
- Combines pH, ORP, and temperature
- Easy-to-read LCD display
- Fast response time
- Durable and waterproof design
Cons
- Calibration required occasionally
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9 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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€ 342
Order now and get it around Monday, September 28
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Features & Benefits
- Dual functionality for pH and ORP measurements.
- High accuracy with 0.01 pH resolution.
- Automatic two-point calibration and temperature compensation.
- Compact and portable design for on-the-go testing.
- User-friendly interface for easy operation.
- Ideal for various applications including nitrite level testing.
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