Laboratory pH Meter BK-PH3A Biobase

Laboratory pH Meter BK-PH3A – Biobase

Product Overview

The Biobase BK-PH3A laboratory pH meter is a high-precision analytical instrument designed to provide accurate, reliable pH measurements in a wide range of scientific and industrial applications. With a 0.01 pH accuracy class, a user-friendly 7-inch touch display, and advanced data handling capabilities, the instrument is particularly well-suited for research laboratories, quality control environments, and educational institutions requiring consistent and precise pH monitoring.

Key Features

• Offers high precision with 0.01 pH accuracy and excellent repeatability, ensuring reproducibility in results across multiple testing scenarios.

• Equipped with a parameter memory function that retains the last settings after a power cycle, thereby streamlining repeated measurement processes.

• Includes data storage functionality; the BK-3A/B model can store up to 1000 sets of measurement data for traceability and review.

• Features a multifunctional electrode holder with multiple mounting positions, supporting simultaneous use of various electrodes and enabling 360-degree rotation with vertical adjustment.

• Supports remote firmware upgrades, allowing users to update device functionalities on-site as needed.

• Operates via a plug-in power supply and includes a modern Type-C interface for streamlined connectivity.

Included Accessories

• pH composite electrode

• Electrode holder

• pH buffer solution

• Electrode storage solution

• Power adapter

Technical Specifications

General:

• Model: BK-PH3A

• Display: 7-inch touch screen

• Calibration: 1 to 3 points

• Temperature compensation: Manual

• Power input: DC9V/400mA with AC110–240V, 50/60Hz adapter

• External dimensions (W × D × H): 250 × 190 × 71 mm

• Package dimensions (W × D × H): 300 × 310 × 300 mm

• Net weight: 5 kg

• Gross weight: 6 kg

pH Measurement:

• Measurement range: -2.00 to 18.00 pH

• Resolution: 0.01 pH

• Instrument reading error: ±0.01 pH

• Repeatability error: 0.005 pH

• Combined reading error (including electrode): ±0.02 pH

• Repeatability (including electrode): 0.01 pH

mV Measurement:

• Measurement range: -1999 to 1999 mV

• Resolution: 1 mV

• Repeatability error: 1 mV

Temperature Measurement (only for BK-PH3B):

• Range: -5.0 to 110.0°C

• Resolution: 0.1°C

• Instrument reading error: ±0.2°C

• Error including electrode: ±0.4°C (0–60°C); ±1.0°C (outside this range)

Connectivity:

• Electrode interface: BNC

• Temperature probe interface: 3.5 mm jack socket

Conclusion

The Biobase BK-PH3A pH meter combines advanced control features, user-centric interface design, and robust analytical performance. Its capacity for data retention, multi-electrode operation, and upgradeability supports both routine and complex analytical workflows. The model is well-positioned as a reliable tool in laboratory settings requiring consistent and high-precision pH monitoring.