Introduction
A benchtop ion meter is a laboratory instrument used to measure the concentration of specific ions in solutions, using ion-selective electrodes, and it is used in environmental, agricultural, food, clinical, and industrial laboratories for measuring ions such as fluoride, chloride, nitrate, potassium, sodium, calcium, and ammonium. The ion meter measures the concentration of an ion with an ion-selective electrode (ISE), which develops an electrical potential that depends on the concentration of the ion in the solution, combined with a reference electrode; the meter measures the potential difference between the electrodes and converts it to an ion concentration, using a calibration curve prepared with standard solutions, and it displays the concentration in units such as milligrams per liter, parts per million, or moles per liter, and it provides features such as automatic calibration, temperature compensation, and measurement of the electrode potential in millivolts, and it is available as a benchtop instrument with a digital display. Benchtop ion meters are used for measuring the fluoride in drinking water, for measuring nitrate and other nutrients in soil and water, for measuring chloride in food and water, for measuring calcium and potassium in biological samples and food, for measuring ammonia and ammonium in environmental samples, for quality control, for research, and for many other applications, and they are used with ion-selective electrodes for the specific ions, and they are suitable for measurements that require higher accuracy and stability than portable meters. With their accurate ion measurement, benchtop ion meters are essential for ion analysis in laboratories.
Benchtop Ion Meter LBIM-T2010
Benchtop Ion Meter supports the measurement of various ions including H, Na, K, Ag, Ca, Cl, F, NO3, etc. It is equipped with advanced a 7-inch high-resolution capacitive touch screen for...
Benchtop Ion Meter For F LBIM-T2010
Benchtop Ion Meter for F is a small, compact sleek device that makes easy to estimate the concentration of Flouride ions from various samples. Equipped with 0.1% FS. Featuring user-frien...
Benchtop Ion Meter For Cl LBIM-T2012
Benchtop Ion Meter for Cl is a small, compact sleek device that makes easy to estimate the concentration of Chloride ions from various samples. Euipped with 0.1% FS. Featuring user-frien...
Benchtop Ion Meter For Ca LBIM-T2013
Benchtop Ion Meter for Ca is a small, compact sleek device that makes easy to estimate the concentration of Calcium ions from various samples. Equipped with 0.1% FS. Featuring user-frien...
Benchtop Ion Meter For Br LBIM-T2014
Benchtop Ion Meter for Br is a small, compact sleek device that makes easy to estimate the concentration of Bromide ions from various samples. Eqipped with 0.1% FS. Featuring user-friend...
Benchtop Ion Meter For Cd, LBIM-T2028
Benchtop Ion meter for Cd, comes with (Cd) cadmium ion selective electrode for cadmium ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its dire...
Benchtop Ion Meter For Cu, LBIM-T2027
Benchtop Ion meter for Cu, comes with (Cu) cupric ion selective electrode for cupric ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its direct...
Benchtop Ion Meter For I, LBIM-T2026
Benchtop Ion meter for I, comes with (I) iodide ion selective electrode for iodide ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its direct i...
Benchtop Ion Meter For Pb, LBIM-T2025
Benchtop Ion meter for Pb, comes with (Pb) lead ion selective electrode for lead ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its direct ion...
Benchtop Ion Meter For S, LBIM-T2024
Benchtop Ion meter for S, comes with (S) sulphide ion selective electrode for sulphide ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its dire...
Benchtop Ion Meter For K, LBIM-T2023
Benchtop Ion meter for K, comes with (K) potassium ion selective electrode for potassium ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its di...
Benchtop Ion Meter For Ag, LBIM-T2022
Benchtop Ion meter for Ag, comes with (Ag) silver ion selective electrode for silver ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its direct...
Benchtop Ion Meter For Cn, LBIM-T2021
Benchtop Ion meter for Cn, comes with (Cn ) cyanide ion selective electrode for cyanide ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its dir...
Benchtop Ion Meter For NH3 , LBIM-T2020
Benchtop Ion meter for NH3 , comes with (NH3 ) ammonia ion selective electrode for ammonia ion concentration measurement. This Ion meter comes with ± 1 % F.S. measurement accuracy. Its ...
Benchtop Ion Meter For NH4, LBIM-T2015
Benchtop Ion meter for NH4 , comes with (NH4) ammonium ion selective electrode for ammonium ion concentration measurement. This Ion meter comes with ± 0.5 % F.S. measurement accuracy. T...
Benchtop Ion Meter For Br, LBIM-T2014
Benchtop Ion meter for Br, comes with (Br) bromide ion selective electrode for bromide ion concentration measurement. This Ion meter comes with ± 0.5 % F.S. measurement accuracy. The di...
Benchtop Ion Meter For Ca, LBIM-T2013
Benchtop Ion meter for Ca, comes with (Ca) calcium ion selective electrode for calcium ion concentration measurement. This Ion meter comes with ± 0.5 % F.S. measurement accuracy. The di...
Benchtop Ion Meter For Na, LBIM-T2012
Benchtop Ion meter for Na, comes with (Na) sodium ion selective electrode for sodium ion concentration measurement. This Ion meter comes with ± 0.5 % F.S. measurement accuracy. The dire...
Benchtop Ion Meter For F, LBIM-T2011
Benchtop Ion meter for F, comes with (F) fluoride ion selective electrode for fluoride ion concentration measurement. This Ion meter comes with ± 0.5 % F.S. measurement accuracy. The di...
Benchtop Ion Meter For Cl, LBIM-T2010
Benchtop Ion meter for Cl, comes with (Cl) chloride ion selective electrode for chloride ion concentration measurement. This Ion meter comes with ± 0.5 % F.S. measurement accuracy. The ...
Benchtop Ion Meter For K LBIM-T2016
Benchtop Ion Meter for K is a small, compact sleek device that makes easy to estimate the concentration of Potassium ions from various samples. Equipped with 0.1% FS. Featuring user-frie...
Benchtop Ion Meter For NH LBIM-T2017
Benchtop Ion Meter for NH is a small, compact sleek device that makes easy to estimate the concentration of Ammonia ions from various samples. Equipped with 0.1% FS. Featuring user-frien...
Benchtop Ion Meter For I LBIM-T2019
Benchtop Ion Meter for I is a small, compact sleek device that makes easy to estimate the concentration of Iodide ions from various samples. Equipped with 0.1% FS. Featuring user-friendl...
Benchtop Ion Meter For Cu LBIM-T2018
Benchtop Ion Meter for Cu is a small, compact sleek device that makes easy to estimate the concentration of Cuppor ions from various samples. Equipped with 0.1% FS. Featuring user-friend...
Benchtop Ion Meter For Na LBIM-T2011
Benchtop Ion Meter for Na is a small, compact sleek device that makes easy to estimate the concentration of Sodium ions from various samples. Equipped with 0.1% FS. Featuring user-friend...
Benchtop Ion Meter For NO LBIM-T2015
Benchtop Ion Meter for NO operates on the ion-selective electrode method and boasts a user-friendly design with 1 to 5 points calibration. Known for its simplified operation and impressi...
Standards
IEC 60746-1:2003-Expression of performance of electrochemical analyzers-Part 1: General
ISO 7393-2:2017-Water quality-Determination of free chlorine and total chlorine-Colorimetric DPD method
Complies with the above standards, but is not limited to them.
Features
1. Benchtop ion meter for measuring concentration of specific ions in solution using ISE.
2. Ion-selective electrode measurement for quantitative analysis of ions in aqueous samples.
3. Suitable for environmental, water, food, pharmaceutical, chemical, clinical and research labs.
4. Includes meter, ion-selective electrode, reference electrode, stirrer, controller and manual.
5. Supports ion concentration measurement for water quality, food testing and process control.
FAQ
Q1: What testing scenarios is this meter mainly applied to?
A: The benchtop ion meter is used in environmental monitoring, water testing, food and beverage, pharmaceutical analysis, chemical industry, clinical diagnostics, agriculture and research to measure the concentration of specific ions in aqueous solutions using ion-selective electrodes (ISE) for quantitative analysis of ions such as fluoride, chloride, nitrate, calcium, potassium, sodium, ammonium, pH (hydrogen ion), and other ions for water quality, food testing, process control and research. It supports environmental water quality monitoring (fluoride in drinking water, nitrate/nitrite in surface/groundwater, chloride in water), drinking water quality testing (fluoride, pH, hardness ions), food and beverage analysis (fluoride in toothpaste/food, chloride in food, nitrate in vegetables, calcium in dairy, sodium in food), pharmaceutical analysis (ion content in drugs, formulations, excipients), chemical process monitoring (ion concentration in process streams, plating baths, chemical solutions), clinical diagnostic testing (electrolytes in biological fluids - though clinical analyzers are more common for high-volume clinical use), agricultural soil and water testing (nitrate, ammonium, potassium, calcium in soil extracts and irrigation water), and research laboratory ion analysis. The ISE method provides selective, sensitive, rapid and cost-effective measurement of specific ions, widely used for routine ion analysis in various industries.
Q2: What standards does the meter comply with?
A: The benchtop ion meter follows relevant ISO, ASTM, IUPAC and GB/T standards for ion-selective electrode measurement, including ISO 10359 (water quality - fluoride), ISO 10304 (water quality - ion chromatography, related), ASTM D1179 (fluoride in water), ASTM D512 (chloride in water), ASTM D3867 (nitrate/nitrite in water), IUPAC recommendations for ISE methods, and relevant GB/T standards including GB/T 5750 (drinking water standard methods) and GB/T 7484 (fluoride in water). The hardware complies with IEC 61010 safety standards. Calibration should use certified ion standard solutions (traceable to international standards, e.g., NIST SRM). The ISE electrode should be properly conditioned and calibrated per method. Users should verify the specific standard for their ion type and sample matrix (water, food, biological, industrial).
Q3: What is the warranty period for the whole meter and key components?
A: The whole benchtop ion meter is covered by a 12-month warranty. The meter (electronics, display, controller), electrode input, stirrer and housing are covered, while ion-selective electrodes, reference electrodes, calibration standards, buffers and fuses are consumables or accessories. Damage from improper use, electrode damage (drying, cracking, clogging), overloading or unauthorized repair is excluded. Extended warranty may be available. ISE electrodes are wear items with finite lifespan (typically 6-18 months depending on electrode type and usage - some electrodes last longer, e.g., pH glass electrodes 1-2 years, fluoride ISE 1-2 years, ammonium ISE 6-12 months due to membrane degradation).
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained laboratory personnel familiar with ISE measurement, sample preparation, calibration and electrode maintenance. We provide operation manuals, training and application support. Proper electrode selection (specific ion, membrane type), electrode conditioning (new electrodes require conditioning before use), calibration (multi-point calibration with certified standards, proper ionic strength adjustment - ISA), sample preparation (filtration, dilution, pH adjustment, ISA addition), measurement technique (proper stirring, temperature compensation, equilibrium time), electrode maintenance (cleaning, storage, regeneration), result interpretation (interference from other ions, matrix effects) and quality control are important for accurate, reliable ion concentration measurement.
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 ion standards recommended before each use or per day (ISE electrodes can drift - daily calibration is standard for accurate results). Multi-point calibration (2-5 standards covering the sample concentration range) is recommended. Electrode slope verification per calibration (theoretical slope is 59.16 mV/decade at 25 degrees C for monovalent ions, 29.58 for divalent - slope should be 90-105% of theoretical for good electrode performance). Routine quality control with a check standard per batch. Electrode condition checked regularly (response time, slope, stability). Full meter performance verification annually. Temperature compensation verified. Electrode storage and maintenance per manufacturer schedule.
Q7: Are supporting consumables universal?
A: Ion-selective electrodes (various ions: fluoride, chloride, nitrate, calcium, potassium, sodium, ammonium, pH, etc.), reference electrodes (single/double junction), calibration standards (certified ion standard solutions), ionic strength adjusters (ISA - specific for each ion), buffer solutions, electrode filling solutions (for refillable electrodes), electrode cleaning/regeneration solutions, stir bars and fuses are available from laboratory suppliers, though electrode type should match the meter and ion. Long-term consumable cost includes electrode replacement (every 6-18 months depending on type and usage) and calibration standards/ISA (per use).
Q8: Can I customize parameters or supporting accessories?
A: Customization includes number of ion channels (single, dual, multi - can measure multiple ions with different electrodes), ion type (specific ISE electrodes for various ions - most common: pH, fluoride, chloride, nitrate, calcium, potassium, sodium, ammonium, bromide, iodide, cyanide, sulfide, copper, lead, cadmium, etc.), measurement modes (concentration, mV, pH), temperature compensation (automatic with ATC probe, manual), data logging, connectivity (RS232, USB, printer), software features (calibration curves, statistics, reports), stirrer (built-in or external), language and accessories. Additional electrodes, standards, ISA and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: No complex installation is required for benchtop ion meters. The package includes the meter, electrode(s), stirrer (if applicable) and instruction manual. On-site training and calibration are available at additional cost for laboratory setup.
Q10: What types of samples are compatible with this equipment?
A: The benchtop ion meter measures ion concentration in aqueous samples including drinking water, surface water, groundwater, wastewater, food extracts/digests, pharmaceutical solutions, biological fluids (serum, urine - with proper sample preparation), soil extracts, irrigation water, industrial process water, chemical solutions and other liquid samples within the ion type, concentration range, sample matrix and electrode specification. Different ions require specific ISE electrodes (fluoride ISE for fluoride, nitrate ISE for nitrate, etc. - each ion has a specific electrode membrane type: crystalline for fluoride, liquid membrane for nitrate/calcium, PVC membrane for various ions, glass membrane for pH/sodium). Different sample matrices require specific preparation: drinking water (may require minimal preparation, just ISA addition), wastewater (may require filtration, dilution, pH adjustment, sample pretreatment to remove interferences), food samples (require extraction or digestion - e.g., fluoride in food requires acid digestion or diffusion, nitrate in vegetables requires extraction), biological fluids (may require deproteinization, dilution, pH adjustment - matrix effects from proteins can interfere), soil extracts (require extraction with appropriate extractant, filtration, pH adjustment). Interferences are a key consideration for ISE: each ISE has specific interfering ions (e.g., chloride ISE is interfered by bromide, iodide, sulfide; nitrate ISE is interfered by chloride, bicarbonate, perchlorate; fluoride ISE is relatively free from interferences but OH- can interfere at high pH > 8). Users should follow the specific test method (ISO, ASTM, GB/T) for the ion and sample type, select appropriate ISE electrode for the target ion (verify electrode selectivity and interference profile), condition new electrodes per manufacturer (soak in appropriate solution before first use - typically 1-24 hours depending on electrode type), calibrate with certified standards covering the sample concentration range (multi-point calibration, 2-5 standards; use the same ISA and matrix matching as samples for best accuracy), add ionic strength adjuster (ISA) to both standards and samples (ISA adjusts ionic strength to a constant level, which is critical because ISE potential depends on ionic activity, not concentration - ISA also may adjust pH and complex interferences, e.g., TISAB for fluoride contains CDTA to complex interfering ions like Fe3+ and Al3+), measure at proper temperature (ISE potential is temperature-dependent - use automatic temperature compensation or calibrate/measure at the same temperature, typically 20 or 25 degrees C; allow samples and standards to equilibrate to the same temperature), allow proper equilibrium time (wait for stable reading before recording - ISE response can take 30 seconds to 2 minutes depending on electrode and concentration; use the stirrer at consistent speed for all measurements), report results in appropriate units (mg/L, ppm, mol/L - specify units and method), and for quality control, include a check standard (independent from calibration standards) and matrix spikes (for complex matrices) to verify accuracy. The electrode should be properly stored between uses (most ISE electrodes should be stored in a specific solution - e.g., fluoride ISE in dilute fluoride solution or TISAB, pH electrode in pH 4 or 7 buffer, nitrate ISE in dilute nitrate solution; do not store dry - drying can damage the membrane; do not store in distilled water for extended periods - can leach membrane components). The electrode should be cleaned between samples (rinse with distilled water, then with sample or next standard to avoid carryover; for dirty samples, clean with appropriate solution - avoid abrasive cleaners that can scratch the membrane). The electrode should be replaced when performance degrades (slope < 90% of theoretical, long response time, unstable readings, visible membrane damage - cracks, discoloration, clogging). For low-concentration samples (near the detection limit), ISE measurements are less accurate (detection limit is typically 10^-6 to 10^-5 mol/L for most ISEs, depending on electrode type and interferences; use longer equilibrium time and more careful calibration for low concentrations). The meter should be placed on a stable surface, away from electrical interference (powerful motors, electromagnets can cause noise in mV readings - use proper grounding and shielding if needed). For multi-ion measurement, use a meter with multiple channels or change electrodes between measurements (allow proper rinsing and equilibration when changing electrodes). Waste (used calibration standards, ISA, sample waste, old electrodes) should be disposed of per applicable regulations (some ions are toxic - e.g., cyanide, lead, cadmium, fluoride at high concentration; handle per material safety data sheet; do not pour toxic solutions down the drain).
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