Online Sodium Analyser
Measure sodium in groundwater, drinking water and power-generation water with configured online analysis.
Online Sodium Analyser with AccuSeries
AccuSeries can be configured for sodium measurement using an ion-selective electrode method aligned with ASTM D2791. A sodium ISE and resistance temperature detector support the potentiometric measurement, with a typical analysis time of 7 to 10 minutes.
Sodium measurement is application-specific: confirm the expected range, ionic conditions, sample composition, temperature, number of streams and required outputs with PMA before selection. Review the online ion-selective electrode analyser, the boiler water analysis application page and the wider AccuSeries platform.
Programmable online sodium analysis
The programmed sequence controls sampling, ionic-strength adjustment, electrode measurement, temperature compensation and result calculation for the configured sodium method.
01 / CONFIGURED METHOD
A method matched to sodium and the process
The approved sodium method uses a sodium-selective glass membrane, an ionic-strength adjustment buffer and temperature measurement to produce the concentration result.
- Approved method for sodium
- Configured range and sample matrix
- Method-specific sodium result calculation
02 / AUTOMATIC OPERATION
Sampling, calibration and cleaning
Programmable routines support repeatable sodium measurement while diagnostics and alarms alert users to changing analyser or process conditions.
- Automatic sampling
- Automatic calibration
- Automatic cleaning
A controlled sodium measurement sequence
Each sodium result follows a configured sampling, reagent, measurement, calculation and maintenance sequence.
01.
Capture the sample
The internal fast loop and sample mechanism provide a representative, consistent sample volume for sodium analysis.
02.
Add method reagents
The programmed sequence adds the configured ionic-strength adjustment buffer before electrode measurement.
03.
Run the configured method
The sodium ion-selective electrode and temperature detector measure under controlled conditions aligned with the configured method.
04.
Calculate the sodium result
The analyser relates the glass-membrane potential to sodium concentration and applies the configured temperature compensation and calculation.
05.
Calibrate
Automatic calibration can run against configured sodium standards at selected intervals.
06.
Clean
Automatic cleaning supports the sodium measurement system between planned maintenance visits.
Designed for practical sodium monitoring
The modular AccuSeries design keeps wet-chemistry components accessible while sodium results, diagnostics and method controls remain available through the interface.
Touchscreen
Clear access to sodium results, status and analyser functions.
Data logging
Integrated sodium result storage with USB export.
Separate compartments
Electronic and wet-chemistry sections are physically separated.
Low reagent use
Small reagent volumes help control sodium measurement costs.
Sodium technical specifications
Method review includes ASTM D2791 alignment, sodium ISE measurement with temperature detection and a typical analysis time of 7 to 10 minutes.
| Measurement principle | Application-specific approved method |
| Variables | Sodium, range and sample matrix dependent; approved method |
| Typical response | T-90 typically 3 to 15 minutes; method dependent |
| Power supply | 24 VDC or 90 to 240 VAC; 310 W |
| Sampling | Single stream or up to 6 streams |
| Cabinet | Painted 304 stainless steel |
| Protection grade | IP66; NEMA 4X |
| Outputs | 4-20 mA; optional Modbus TCP/IP or serial |
| Automatic functions | Sampling, calibration, validation and post-wash as configured |
Sodium, range, sample conditions, wetted materials and final specifications must be confirmed for the configured method before procurement.
Discuss your sodium measurement
Tell PMA about your sample, measuring range and process objective. An applications engineer will review whether AccuSeries and an available analytical method are appropriate.
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