HORIBA LAQUATWIN-PH-11B Waterproof Pocket Meter 4540565006971
( Brand: Horiba ), ( Manufacturer Part Number: LAQUATWIN-PH-11B ), ( Part Type: Meter ), ( Country Of Origin: Japan ), ( Item Size: 165 X 29 X 19mm ), ( Required Sample Volume: 0.1 Ml Or More ), ( Calibration: Max 2 Times ), ( Principle Of Measurement: Glass Electrode Method ), ( Feature: Automatic Buffer Recognition, Temperature Compensation ), ( Accuracy: 0.1 Ph ), ( Product Category: Ph Meter ), ( Item Weight: 52g ), ( Measurement Range: 0.0 To 14.0 Ph ), ( UPC: 540565006971 )
Review HORIBA Laquatwin-ph-11 Ph Waterproof Pocket Meter
The **Horiba LAQUAtwin-PH-11B** is a cutting-edge, waterproof pocket-sized pH meter designed for professionals and enthusiasts who demand precision, reliability, and portability in their fieldwork. Engineered with Horiba s signature expertise in analytical instrumentation, this compact yet powerful device combines advanced technology with rugged durability to deliver accurate pH measurements in demanding environments. Its sleek, ergonomic design ensures a comfortable grip, making it ideal for use in laboratories, aquariums, swimming pools, agriculture, environmental monitoring, and even remote field applications where traditional benchtop meters are impractical. The **LAQUAtwin-PH-11B** features a **highly sensitive glass electrode** paired with Horiba s proprietary **ATC (Automatic Temperature Compensation)** technology, which automatically adjusts readings for temperature variations between 0 C and 60 C, ensuring consistency regardless of ambient conditions. This eliminates the need for manual temperature corrections, saving time and reducing human error.
What truly sets this meter apart is its **IP67 waterproof rating**, allowing it to withstand immersion in water up to 1 meter for 30 minutes, making it perfectly suited for wet environments such as ponds, rivers, or underwater applications. The **large, backlit LCD display** provides clear, easy-to-read measurements with a resolution of **0.01 pH units**, while the **auto-calibration function** simplifies maintenance by automatically detecting and adjusting to calibration standards when connected to a reference buffer. The meter also includes a **stabilization timer**, which ensures accurate readings even in fluctuating conditions, and a **low battery indicator** to prevent unexpected downtime. For added convenience, the **LAQUAtwin-PH-11B** features a **memory function** that stores up to 100 measurement history entries, along with a **peak hold function** to capture maximum or minimum values during monitoring tasks.
Built to withstand the rigors of fieldwork, the meter is constructed from **durable, corrosion-resistant materials**, including a **shock-resistant housing** that protects against drops and rough handling. The **rechargeable battery** (included) provides extended operational life, while the **USB connectivity** allows for easy data transfer to computers for logging and analysis. Whether used by aquatic biologists tracking water quality, pool maintenance technicians ensuring proper chemical balance, or environmental scientists conducting field tests, the **Horiba LAQUAtwin-PH-11B** delivers the performance and versatility required for professional-grade pH measurement in any setting. With its blend of **innovative features, rugged construction, and user-friendly design**, this pocket meter redefines what portable pH testing can achieve making it an indispensable tool for those who demand accuracy without compromise.
**Pros and Cons of buying a Horiba Laquatwin-PH-11B Waterproof Pocket pH Meter**
The Horiba Laquatwin-PH-11B is a portable, waterproof pH meter designed for field use, particularly in aquatic or wet environments. Below is a detailed analysis of its advantages and disadvantages.
### **Pros**
1. **Waterproof and Durable Design**
The meter is fully waterproof (IP67 rating), making it suitable for use in pools, aquariums, lakes, or other wet conditions without risk of damage. This durability extends its lifespan in harsh environments.
2. **Portable and Compact**
Its pocket-sized form factor allows for easy transport and on-the-go measurements, which is ideal for fieldwork, inspections, or mobile applications where a lab-based meter would be impractical.
3. **Fast and Accurate Readings**
The meter provides quick pH readings (typically within seconds) with a claimed accuracy of 0.1 pH, which is sufficient for many practical applications, including pool maintenance, aquaculture, and environmental monitoring.
4. **Automatic Temperature Compensation (ATC)**
The built-in temperature sensor adjusts readings for temperature variations, ensuring more reliable results without manual corrections.
5. **Easy Calibration**
It features a simple two-point calibration process (using standard pH 4.01 and 7.00 buffers), which is straightforward for occasional users. Pre-calibrated electrodes are also available for added convenience.
6. **Backlit Display**
The large, backlit LCD screen improves visibility in low-light conditions, which is useful for outdoor or nighttime measurements.
7. **Low Maintenance**
Compared to some other portable meters, the Laquatwin-PH-11B requires minimal upkeep, such as occasional electrode cleaning and periodic calibration, making it user-friendly for non-technical operators.
8. **Compatibility with Horiba Accessories**
It works seamlessly with Horiba s range of electrodes and calibration solutions, offering flexibility for different applications.
9. **Battery-Powered**
The rechargeable battery (or optional AC adapter) provides portability without the need for constant power outlets, though battery life may vary depending on usage.
10. **Affordable for a Portable Meter**
While not the cheapest option, it offers a good balance between cost and functionality for its intended use, making it accessible for hobbyists, small businesses, and professionals alike.
---
### **Cons**
1. **Limited Long-Term Precision**
Like most portable pH meters, the Laquatwin-PH-11B may drift over time due to electrode degradation or contamination. For highly precise applications (e.g., scientific research), a lab-grade meter with frequent recalibration would be preferable.
2. **Single-Function Design**
It measures only pH (and optionally temperature) and lacks additional parameters like conductivity, dissolved oxygen, or ORP, which may limit its usefulness in certain applications (e.g., water treatment or industrial processes).
3. **Electrode Sensitivity to Abuse**
While durable, the electrode can be damaged by rough handling, exposure to extreme chemicals (e.g., strong acids/bases), or physical stress (e.g., dropping the meter). Proper care is required to maintain performance.
4. **Calibration Dependence**
Accuracy relies heavily on correct calibration. If buffers are not used properly or electrodes are contaminated, readings may be inaccurate. Users must follow calibration procedures diligently.
5. **Battery Life Limitations**
The rechargeable battery may not last indefinitely on a single charge, especially with frequent use. Carrying spare batteries or a charger is advisable for extended fieldwork.
6. **No Built-in Data Logging**
Unlike some advanced meters, the Laquatwin-PH-11B does not log measurements automatically. Users must manually record data, which can be inconvenient for large-scale monitoring or compliance reporting.
7. **Replacement Parts Can Be Expensive**
Horiba electrodes and calibration solutions are proprietary, and replacement costs may add up over time. Third-party alternatives may not be as reliable.
8. **Limited Connectivity Options**
There is no Bluetooth, USB, or other wireless connectivity for direct data transfer to computers or smartphones. Users must rely on manual recording or additional adapters (if available).
9. **Not Suitable for Extreme Conditions**
While waterproof, it may not perform well in very high-temperature environments (e.g., industrial boilers) or in the presence of aggressive chemicals that could corrode the meter or electrode.
10. **Learning Curve for Advanced Users**
While user-friendly for basic tasks, understanding pH measurement principles (e.g., buffer selection, electrode maintenance) is still necessary to ensure accurate results.
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### **Conclusion**
The Horiba Laquatwin-PH-11B is a robust, portable pH meter ideal for users who require a reliable, waterproof tool for field applications such as pool maintenance, aquaculture, or environmental sampling. Its compact size, durability, and ease of use make it a practical choice for occasional or frequent users who prioritize convenience over high-end precision. However, it is not suitable for applications requiring long-term stability, advanced parameters, or automated data logging.
For **hobbyists, small businesses, or professionals** who need a simple, portable pH meter for routine checks in wet environments, this meter is a strong recommendation. For **scientific research, industrial processes, or applications demanding high precision and additional parameters**, a lab-grade meter or a multi-parameter meter would be more appropriate.
### **Recommendation**
If your primary need is a **durable, waterproof, and easy-to-use pH meter for fieldwork**, the Horiba Laquatwin-PH-11B is an excellent choice. Invest in a spare electrode, calibration buffers, and a battery charger to extend its usability. Regular calibration and proper storage will ensure consistent performance.
For users who require **higher accuracy, additional measurements, or data logging**, consider upgrading to a more advanced model (e.g., Horiba s Laquatwin-PH-11C with conductivity or a lab-based meter). If budget is a concern, explore alternatives like the **Oakton pH700** or **Hanna Instruments HI98128**, which offer similar portability at lower costs.
Details:
Like New; hardly used; in excellent condition.
part #: laquatwinph11b prices
- $205.00-$357.16
specifications tesmetequ:
- brand: Horiba
- mpn: Laquatwin-ph-11b
- part type: Meter
- country of origin: Japan
- item size: 165 X 29 X 19mm
- required sample volume: 0.1 Ml Or More
- calibration: Max 2 Times
- principle of measurement: Glass Electrode Method
- feature: Automatic Buffer Recognition, Temperature Compensation
- accuracy: 0.1 Ph
- product category: Ph Meter
- item weight: 52g
- measurement range: 0.0 To 14.0 Ph
- upc: 540565006971
offer tesmetequ:
- quantity: 1
- started: April 18, 2026
- options: Ship-to-home
- availability: In Stock
- sold: 0
shipping tesmetequ:
- type: Calculated
- class: Standard
- transit: 4-10 Days
- carrier: USPS
- cost: $6.46
- service: USPS Ground Advantage
returns tesmetequ:
- policy: No Returns
payments tesmetequ:
- other
- wallet: Apple-pay
- credit card: Discover
general tesmetequ:
- condition: Used
- Test, Measurement Inspection > Test Meters Detectors > Other Test Meters Detectors
seller tesmetequ:
- rating: 100.0%
- city: Saint Paul, Minnesota
- # reviews: 11
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