BR-PH-502 PH METER FEATURES

BR-PH-502 PH METER FEATURES

The BR-PH-502 PH METER FEATURES is an indispensable instrument used to measure the acidity or alkalinity of a solution, providing a precise numerical value that represents the concentration of hydrogen ions (H+) present. This information is crucial in a wide range of applications, from scientific research and industrial processes to environmental monitoring and quality control. Understanding the principles of pH measurement and the functionality of a pH meter is essential for obtaining accurate and reliable results. The concept of pH is based on the logarithmic scale, ranging from 0 to 14, where 7 represents neutrality. Solutions with a pH below 7 are considered acidic, while those with a pH above 7 are alkaline (or basic). Each unit change on the pH scale represents a tenfold difference in hydrogen ion concentration. For example, a solution with a pH of 4 is ten times more acidic than a solution with a pH of 5 and a hundred times more acidic than a solution with a pH of 6. The BR-PH-502 PH METER FEATURES consists of two main components: a sensing electrode and a meter. The sensing electrode, typically a glass electrode, is immersed in the solution being measured. This electrode contains a special glass membrane that is sensitive to hydrogen ions. The interaction between the hydrogen ions in the solution and the glass membrane generates a voltage. This voltage is then measured by the meter and converted into a pH value. The BR-PH-502 PH METER FEATURES itself is an electronic device that displays the measured pH value. Modern pH meters often incorporate advanced features such as automatic temperature compensation (ATC), auto-buffer recognition, and data logging capabilities. ATC is crucial because temperature affects the pH of a solution. The meter compensates for temperature variations, ensuring accurate readings regardless of the temperature of the solution. Calibration is a critical step in ensuring accurate pH measurements. Before use, the pH meter must be calibrated using standard buffer solutions of known pH values. This process involves immersing the electrode in the buffer solutions and adjusting the meter to display the correct pH values. Typically, a two-point or three-point calibration is performed using buffers with pH values of 4.01, 7.00, and 10.01. The frequency of calibration depends on the application and the desired level of accuracy. For routine measurements, daily calibration is often sufficient. However, for more critical applications, more frequent calibration may be necessary. Factors such as electrode age, usage, and the nature of the solutions being measured can also influence the calibration frequency. Proper electrode maintenance is essential for prolonging its lifespan and ensuring accurate measurements. The electrode should be rinsed thoroughly with distilled water after each use and stored in a suitable storage solution. Avoid touching the glass membrane with bare hands, as this can contaminate the electrode and affect its performance. Beyond the laboratory, BR-PH-502 PH METER FEATURES find applications in various fields. In environmental monitoring, pH meters are used to assess water quality and soil acidity. In the food industry, pH measurements are crucial for quality control and ensuring food safety. In agriculture, soil pH is a critical factor for plant growth and nutrient availability. Even in everyday life, pH meters are used in swimming pools and aquariums to maintain optimal water conditions. In conclusion, the BR-PH-502 PH METER FEATURES is a versatile and essential tool for measuring acidity and alkalinity. Its ability to provide precise pH values makes it invaluable in a wide range of applications. By understanding the principles of pH measurement, proper calibration procedures, and electrode maintenance, users can ensure accurate and reliable results, contributing to scientific advancements, industrial efficiency, and environmental protection. Features BR-PH-502 PH METER FEATURES: Fully automac or manual temperature compensaon Support 1~5 calibraon points storage Auto idenfy built-in 4 buffer groups Fully automac display slope and usage status One-key Calibraon, Stabilizaon icon indicates the reading has stabilized Synchronously display pH, temperature and buffers value. Reading measurement value directly by pH or Mv Press "Mode" key to switch between pH and mV Auto buffers recognion by pressing CAL key One-click output data to PC or printer Auto display slope and usage status Data funcon allows users to record, review and preserve the measuring results. BR-PH-502 PH METER FEATURES

Model		BR-PH-502 PH METER FEATURES
Grade		0.01
Display		5.0inch LCD screen
Measurement Mod		pH/ mV ( ORP )
	Meas. Range	0~16.00pH
pH	Resolution	0.01 pH
	Accuracy	±0.01 pH
	Meas. Range	-1999.9 ~ 1999.9mV
	Resolution	0.1 mV
	Accuracy	±1 mV（±0.05%FS）
mV		20.0µ S/cm ~ 199.9µ S/cm
		200µ S/cm ~ 1999 µ S/cm
		20.0 mS/cm ~ 199.9 mS/cm
		200 mS/cm ~ 3000 mS/cm
	Meas. Range	-30.0~105°C (ATC/MTC)
Temp.	Resolution	0.1°C
	Accuracy	±0.2°C
		Support auto temperature compensation.
Calibration		Built-in 4 groups & 18 kinds of buffers, auto
		recognition. Support 1~5 points CAL.
Memory		500measurements
Data Transfer		RS232，Optional with printer
Power		9~12V
pH Input		BNC, Impedance >3x1012Ω
TEMP Input		Cinch, NTC 30KΩ
Ending Mode		Automatic/Manual Optional
Standard solutions		pH4.01, pH6.86, pH9.18 (buffers)
		+ 3mol/L KCI (protective solution)
Housing Dimension		250 x 165 x 65 mm