VIKING-ISE300 · pH / Ion Meter
VIKING-ISE300 · technical specification
Benchtop analyzer for pH, ion-selective electrodes, ORP, mV and temperature measurement
pH -2.000 to 20.000
ISE 1.00E-9 to 9.99E9
ORP / mV ±2000.00
Temp. -5 to 130°C
Direct / addition / Gran plot
— Modular benchtop platform for high-precision pH and ion measurement
📋 Product Overview
Application profile
Ion-selective electrode work: supports direct reading, standard addition, sample addition and Gran plot techniques for ISE workflows.
Water quality laboratories: suitable for fluoride, ammonium, nitrate and other ion methods where appropriate electrodes and standards are selected.
Research and method development: flexible method, electrode and user management for laboratories developing or validating electrochemical procedures.
Routine QC: combines pH, ORP / mV and temperature measurement with GLP data storage and stable reading modes.
Design and handling advantage
Touchscreen workflow: 7.0″ color touchscreen supports intuitive operation, method selection and measurement review.
Traceability: user management, calibration management, method management, data review and audit-oriented functions support controlled laboratory work.
Electrode diagnostics: automatic slope and offset display, calibration reminder and slope-limit alert help maintain measurement reliability.
Connectivity: USB and RS-232 interfaces support data transfer, printing or connection to laboratory reporting workflows.
Key features
pH performance: -2.000 to 20.000 pH range, 0.001 pH maximum resolution and ±0.002 pH accuracy.
ISE performance: 1.00E-9 to 9.99E9 range with 4 significant digits and ±0.3% accuracy.
ISE calibration: 1–6 calibration points with support for direct reading, standard / sample addition and Gran plot.
Measurement modes: Auto-read, timed-read and continuous-read modes with Reading / Stable / Locked prompts.
Data capacity: up to 1000 data sets per parameter with GLP-oriented data functions.
Expansion note: optional DO module supports barometric and manual salinity compensation where selected.
Core technical summary
| Parameter | Specification |
| Model | VIKING-ISE300 |
| SKU | PRO4751 |
| Instrument type | Benchtop pH / ion / ORP / mV / temperature meter |
| Display | 7.0″ color touchscreen |
| pH range | -2.000 to 20.000 pH |
| pH accuracy | ±0.002 pH |
| ISE range | 1.00E-9 to 9.99E9 |
| ORP / mV range | -2000.00 to 2000.00 mV |
| Data logging | 1000 data sets per parameter · GLP functions |
| Protection | IP54 |
pH accuracy±0.002 pH
ISE calibration1–6 points
Data memory1000 sets / parameter
ConnectivityUSB / RS-232
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📊 Technical Specifications
pH, ISE, ORP / mV and temperature performance
| Parameter | Specification |
| pH range | -2.000 to 20.000 pH |
| pH resolution | 0.1 / 0.01 / 0.001 pH |
| pH accuracy | ±0.002 pH |
| pH calibration | 1–6 points; NIST / DIN / GB buffer groups; custom buffer group support |
| ISE range | 1.00E-9 to 9.99E9; 4 significant digits |
| ISE accuracy | ±0.3% |
| ISE calibration | 1–6 points |
| ISE methods | Direct reading, standard addition, sample addition and Gran plot |
| ISE units | µg/L, mg/L, g/L, mmol/L and pX |
| pX range | -2.000 to 20.000 pX |
| pX accuracy | ±0.002 pX |
| ORP / mV range | -2000.00 to 2000.00 mV |
| ORP / mV resolution | 0.1 / 0.01 mV |
| ORP / mV accuracy | ±0.03% FS |
| Temperature range | -5 to 130°C |
| Temperature resolution | 0.1°C |
| Temperature accuracy | ±0.1°C |
| Temperature compensation | ATC / MTC |
System, data and connectivity
| Parameter | Specification |
| Display | 7.0″ color touchscreen. |
| Operating system | Intelligent system with user, electrode, method, calibration and data management. |
| Reading modes | Auto-read Fast / Medium / Slow, timed-read and continuous-read. |
| Reading prompts | Reading / Stable / Locked status prompts. |
| Electrode diagnostics | Slope and offset display, calibration reminder and slope-limit alert. |
| Data capacity | 1000 data sets per parameter. |
| GLP support | Data review, comparison, recalculation and traceability-oriented data functions. |
| Optional module note | DO module available depending on configuration; barometric and manual salinity compensation supported when selected. |
| Connectivity | USB and RS-232. |
| Protection rating | IP54. |
| Power supply | AC adapter, 100–240 V input / DC 24 V output. |
| Dimensions | 280 × 280 × 130 mm. |
| Weight | Approx. 2500 g / 5.5 lb. |
| Expected HTML | Open VIKING-ISE300 HTML specification |
| Expected PDF | Open VIKING-ISE300 PDF datasheet |
Specification note
Electrode selection: final ISE electrode, reference electrode and standard solution set must match the target ion and sample matrix.
Calibration: confirm calibration points, ionic strength adjustment, buffer group and reporting unit according to the laboratory method.
Configuration: optional modules, electrodes and accessories should be confirmed in the manufacturer-approved quotation.
Technical values are provided for product selection and orientation. Final delivered configuration, electrode type, accessory set, optional module selection and documentation should be confirmed through the official COLO.Science quotation or manufacturer-confirmed offer.
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COLO.Science · Final Support Page
COLO.Science · VIKING-ISE300 benchtop pH / ion meter support
Need help selecting the correct pH / ISE measurement configuration?
Send the target ion, expected concentration range, sample type, calibration approach, electrode type and reporting requirement.
COLO.Science can help confirm whether VIKING-ISE300 is the correct platform for your laboratory, water-quality or method-development workflow.
Official configuration and manufacturer-confirmed specification notice:
This technical specification is provided for orientation, product selection and general information only. It does not represent the final binding technical specification, delivered configuration, accessory set, procurement requirement or acceptance criterion for a specific unit. The final official technical specification is only the specification confirmed by the manufacturer and issued for the exact configuration through an official COLO.Science quotation, proforma invoice, contract document, order confirmation or manufacturer-approved technical offer. Any values, options, accessories or configurations shown in this document must be verified for the specific delivery and should not be used as an exclusion or elimination criterion in procurement procedures without written manufacturer confirmation.
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