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Why Choose Viking ISE400?
🧪 ISE400 pH/Ion Meter is a professional benchtop analyzer for high-accuracy measurement of pH, ion-selective electrodes (ISE), oxidation–reduction potential (ORP), mV and temperature. Built for laboratories, water utilities and research institutions, the ISE400 combines multi-parameter versatility with an intuitive touchscreen interface and GLP-compliant data handling. For related water analytics, visit our Water Quality category on COLO.Science.
Why labs choose the ISE400 pH/Ion Meter
With a high-contrast 7.0″ display for easy navigation and real-time data, the ISE400 supports 1–6 point ISE calibration using direct reading, standard/sample addition and Gran plot. Multiple ISE units are supported (µg/L, mg/L, g/L, mmol/L, pX). Smart system tools simplify daily work: user/electrode/method/data management, audit trails and calibration reminders.
Whether you’re running fluoride analysis, ammonium tests, or routine pH stability checks, the ISE400 pH/Ion Meter delivers outstanding accuracy and usability across drinking-water, wastewater and industrial labs. Learn more about oxygen measurement fundamentals in Understanding Dissolved Oxygen – The Key to Water Quality.
ISE400 pH/Ion Meter — Key Features
- High-contrast 7.0″ touchscreen for clear menus and live trends
- 1–6 point ISE calibration (direct reading, standard/sample addition, Gran plot)
- Multi-unit ISE support: µg/L, mg/L, g/L, mmol/L, pX
- Smart tools: built-in management of users/electrodes/methods/data
- GLP compliance: audit trails, calibration reminders, user logins
- USB & RS-232 output for PC, printer or LIMS connectivity
Technical Highlights
| Parameter | Range | Resolution | Accuracy |
|---|---|---|---|
| pH | –2.000 to 20.000 pH | 0.1/0.01/0.001 | ±0.002 pH |
| ORP/mV | –2000 to +2000 mV | 0.1/0.01 mV | ±0.03% FS |
| ISE (Ion) | 1.00E-9 to 9.99E9 | 4 significant digits | ±0.3% |
| Temperature | –5 to 130°C | 0.1°C | ±0.1°C |
| pX | –2.000 to 20.000 pX | 0.1/0.01/0.001 | ±0.002 pX |
- Barometric and manual salinity compensation for the DO module (if installed)
- Up to 1000 data sets per parameter stored internally
Applications & Industries
- Drinking-water and wastewater laboratories
- Industrial and environmental water monitoring
- Fertilizer and food industry QC
- Educational and chemical research institutions
What’s Included
- Viking ISE400 main unit
- pH/ISE measurement module
- Touchscreen operation + USB cable
- Electrode holder, power adapter, calibration solutions
- Multilingual user manual & quick-start guide
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