Today's ion meters are based on the ion-selective electrode technique. These are measuring instruments that have a sensitive membrane capable of measuring ionic activities. That is, they measure the concentration of a given ion in a solution using both a sensing electrode and a reference electrode.
The methodology used by ion meters with selective ion electrodes is ion exchange, which measures the potential difference produced by the contact of the electrode with the ion being analyzed.
To carry out the ion measurement, the ion selective electrodes must come into contact with a certain ion present in the solution. Since the main concern of this measurement is the concentration, and not the activity of the ions in the solution, many times salts are used that increase the ionic strength to facilitate the relationship between the potential of the electrode and the concentration. The activity of the specific ion is converted to electric potential when it comes into contact with the active membrane of the ion-selective electrode. Once this conversion is carried out, the electrical potential can be measured with a voltmeter or with a pH meter.
• Multiparameter portable ion meter is equipped with a backlit LCD display.
• 2 to 5 points calibration, including the 8 concentration points can be selected.
• Direct ion concentration readout simplifies the measurement process.
• Automatic electrode diagnosis shows the calibration points and slopes.
• Selectable concentration units (ppm, mg/L, mol/L) and ionic valency.
Automatic electrode diagnosis shows the calibration points and slopes,Automatic temperature compensation ...
Reset function automatically resumes all settings back to the factory defaults, Expanded memory stores or recalls...
Professional portable chloride ion meter, suitable for outdoor applications, accuracy: 0.5% F.S,Professional...
Setup menu allows setting the number of calibration points, stability criteria, temperature
unit, date and time...
Professional portable cadmium ion meter, suitable for outdoor applications, accuracy: 1% F.S.
Features
• Professional portable cadmium ion meter is equipped with a backlit LCD display.
• 2 to 5 points calibration from low to high concentrations.
• Selectable 8 concentration calibration points, including the 0.001 to 10000.
• Selectable concentration units – ppm, mg/L and mol/L.
• Automatic electrode diagnosis shows the calibration points and slopes.
• Automatic temperature compensation ensures accurate readings over the entire range.
• Direct ion concentration readout simplifies the measurement process.
• Auto-Read function senses and locks the measurement endpoint.
• Calibration due alarm prompts user to calibrate the meter regularly.
| Model | YR01817-9 |
| Ion Concentration | |
| Range | 1×10-6 to 0.1M, 0.01 to 11200ppm |
| Resolution | 0.001, 0.01, 0.1, 1 |
| Accuracy | ±1% F.S. |
| Calibration Points | 2 to 5 points |
| Calibration Solutions | 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 |
| Measurement Units | ppm, mg/L, mol/L, mmol/L |
| mV | |
| Range | ±1999.9mV |
| Resolution | 0.1mV |
| Accuracy | ±0.2mV |
| Temperature | |
| Range | 0 to 105°C/32 to 221°F |
| Resolution | 0.1°C/0.1°F |
| Accuracy | ±0.5°C/±0.9°F |
| Offset Calibration | 1 point |
| Calibration Range | Reading ±10°C |
| General Specifications | |
| Temperature Compensation | 0 to 100°C/32 to 212°F, manual or automatic |
| Stability Criteria | Low or high |
| Calibration Due Alarm | 1 to 31 days or off |
| Auto-Power Off | 10, 20 or 30 minutes after last key pressed |
| Memory | Stores up to 500 data sets |
| Output | USB communication interface |
| Connector | BNC, 3.5mm jack socket |
| Display | Custom LCD (80×60mm) |
| Power | 3×1.5V AA batteries or DC5V power adapter |
| Battery Life | Approximately 150 hours (turn off the backlight) |
| Dimensions | 170(L)×85(W)×30(H)mm |
| Weight | 300g |
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In this section you can find, our Ion meter running, packaged, receiving service, etc.
Measurement of ion concentration or specific ion measurements via an ion meter can be performed on a wide variety of samples such as: water, food, beverages, pharmaceuticals and also samples of biological origin. The operation of an ion meter occurs by means of selective ion electrodes (SIIs) and measuring devices that have a sensitive membrane capable of measuring ion activity. These measure the concentration of ion determined in a solution using a sensor electrode and a reference electrode.
They work, as we mentioned earlier through ion exchange, where you measure the potential difference that is generated when the electrode comes in contact with the ion being studied.
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