Introduction
Portable pH meters are handheld instruments used to measure the pH of solutions, which is the acidity or alkalinity, and they are used for pH measurement in laboratories, water treatment, environmental monitoring, agriculture, aquaculture, food processing, and many other applications in the field and in the laboratory. The meter measures the pH with a pH electrode, typically a glass electrode combined with a reference electrode, which develops an electrical potential that depends on the hydrogen ion activity of the solution, and it displays the pH value on a digital display, with automatic temperature compensation, since the pH measurement depends on the temperature; the portable meter is battery-operated and designed for field use, with a rugged and waterproof construction, and it is calibrated with buffer solutions of known pH, and it may include features such as data logging, automatic calibration, and replaceable electrodes. Portable pH meters are used for field measurements of pH in environmental monitoring, for testing water in rivers, lakes, and groundwater, for monitoring wastewater, for testing soil pH in agriculture, for monitoring aquaculture water, for testing drinking water, for monitoring pool and spa water, for food processing, for research, and for many other applications, and they are used for routine monitoring, for quality control, and for compliance testing, with features such as digital displays, automatic temperature compensation, and various measurement ranges. With their portability and accuracy, portable pH meters are essential instruments for pH measurement in the field and in the laboratory.
Portable pH Meter LPRPM-T2015
Portable pH Meter measures pH across a range of -2.00 to 16.00 pH for precise food and dairy testing. It features automatic temperature compensation for accurate readings in variable con...
Portable PH Meters LPRPM-T2010
Portable pH Meter a pH measuring range of 2.00 to 19.99 pH, enabling precise monitoring of both acidic and alkaline solutions. The device has an mode, conserving battery life by shutting...
Portable PH Meter LPRPM-T2014
Portable pH Meter is a bench-top design that features a measuring range of -2.00 to 19.99 pH. It includes temperature compensation from 0 to 100℃, which can be adjusted either automatic...
Portable pH/ORP Meter LPRPM-T2013
Portable pH/ Meter measures pH within a range of 0.00 to 14.00pH with a resolution of 0.01pH. It supports measurements from -1999 to 1999 mV with an accuracy of ±0.2%F.S. This device fe...
Portable pH/ORP Meter LPRPM-T2012
Portable pH/ Meter measures pH within a range of 0.00 to 14.00pH with a resolution of 0.01pH. It supports measurements from -2000 to 2000mV with an accuracy of ±0.2%F.S. This device fea...
Portable pH/ORP meter LPRPM-T2011
Portable pH/ meter with high precision can improve temperature measurement accuracy through manual temperature calibration. It measure pH, mV, , temperature of the sample. Equipped with ...
Portable pH meter LPRPM-T2010
Portable pH meter is equipped with advanced amplified pH probe and a built-in temperature sensor to measure pH, mV as well as temperature of the solution. This economic pH meter comes wi...
Standards
GB/T 11165-2005-Laboratory pH meter
USP General Chapter <791>-pH
IEC 60746-2:2003-Expression of performance of electrochemical analyzers-Part 2: pH value
Complies with the above standards, but is not limited to them.
Features
1. Portable pH meter for accurate field and laboratory pH measurement.
2. Precise pH measurement with temperature compensation for on-site use.
3. Suitable for environmental, water treatment, food, chemical, agricultural and research.
4. Includes meter, pH electrode, calibration buffers, carrying case and manual.
5. Supports accurate pH measurement for water quality, process and field research.
FAQ
Q1: What testing scenarios is this meter mainly applied to?
A: The portable pH meter is used in environmental monitoring, water treatment, food and beverage, chemical processing, agriculture, aquaculture and field research to accurately measure pH of water, soil extracts, food products and chemical solutions on-site for water quality assessment, process control and research. It supports environmental water quality monitoring (rivers, lakes, soil pH), drinking water and wastewater treatment control, food and beverage production quality, chemical process monitoring, agriculture soil and water testing, aquaculture water quality management, and field research. The portable design with precise measurement enables accurate on-site pH testing for both routine monitoring and research applications, with better accuracy than pocket testers.
Q2: What standards does the meter comply with?
A: The portable pH meter follows relevant ISO, ASTM and GB/T standards for pH measurement, including ISO 10523, ASTM D1293, and GB/T standards. The hardware complies with IEC 61010 safety standards and applicable IP ratings. Calibration should use certified pH buffer solutions traceable to international standards. Drinking water pH limits follow applicable regulations (WHO, EPA, GB 5749).
Q3: What is the warranty period for the whole machine and key components?
A: The whole portable pH meter is covered by a 12-month warranty. The meter, electrode, electronics and display are covered, while calibration buffers, storage solution, batteries and fuses are consumables. Damage from improper use, electrode breakage or unauthorized repair is excluded. pH electrodes have a limited service life.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires basic training in pH measurement, electrode maintenance and calibration. We provide operation manuals, training and application support. Proper 2-3 point calibration, electrode maintenance, temperature compensation and measurement technique are important for accurate results.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration with certified pH buffers recommended before each use session for critical measurements. Electrode cleaning and conditioning regularly. Electrode replacement when response slows. Battery replacement when needed. Full meter calibration annually.
Q7: Are supporting consumables universal?
A: pH calibration buffers, storage solution, batteries and electrode cleaning supplies are available from laboratory suppliers, though electrode compatibility should be verified. Long-term consumable cost is low to moderate depending on electrode lifespan.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes electrode type (glass, ISFET, spear tip for soil, flat surface), measurement range, temperature compensation, combination pH/ORP/temperature, data logging, GPS and accessories. Additional electrodes and buffers can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: No installation is required for portable meters. The package includes the meter, pH electrode, calibration buffers, carrying case and instruction manual. On-site training is available at additional cost.
Q10: What types of samples are compatible with this equipment?
A: The portable pH meter measures pH in water, soil extracts, food products, chemical solutions and other aqueous samples within the pH range, temperature and electrode specification. Different electrodes are suitable for different sample types (spear tip for soil/food, flat surface for skin/paper, micro for small volumes). Highly corrosive or fluoride-containing samples may damage glass electrodes. Users should calibrate with 2-3 certified buffers covering the sample range, select the appropriate electrode for the sample type, keep the electrode hydrated, allow sufficient stabilization, rinse between samples, report results with temperature specified, and for soil pH, use proper soil-to-water ratio and equilibration time. The electrode should be cleaned periodically. For food applications, follow applicable food safety regulations. The meter should be stored in a carrying case with the electrode properly stored. For field use, the meter should meet appropriate IP rating. Temperature compensation should be enabled. For low-ionic-strength samples, special electrodes or longer stabilization may be needed. The electrode should not be allowed to dry out for extended periods.
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