COLO.Science · Technical Specification
VIKING-PH150 · Technical Specification
| instrument identity | |
|---|---|
| model | VIKING-PH150 |
| grade | 0.001 pH |
| brand / line | COLO.Science · COLO Lab Experts |
| instrument type | Professional benchtop pH / mV / ORP / Temperature meter |
| intended use | High‑precision pH, mV and ORP measurements in research, QC, education, environmental, pharmaceutical and food laboratories. |
| pH measurement | |
| pH range | -2.000 to 20.000 pH |
| resolution | 0.001 pH |
| accuracy | ±0.002 pH |
| calibration points | up to 9 (1‑9 points), user‑settable |
| buffer groups | 9 groups, 44 kinds of buffers (auto recognition), supports custom buffers |
| electrode diagnostics | slope preview, graphic calibration curve, storage for 10 electrode slopes & 10 calibration datasets |
| mV / ORP measurement | |
| mV range | -2000.0 to 2000.0 mV |
| resolution | 0.01 mV |
| accuracy | ±0.1 mV (±0.005% FS) |
| modes | mV and Rel.mV (relative mV) selectable |
| temperature measurement | |
| temperature range | -30.0 to 135.0 °C (ATC / MTC) |
| resolution | 0.1 °C |
| accuracy | ±0.1 °C |
| measurement workflow & data | |
| reading modes | Auto Read, Timed, Continuous; dynamic curve display (pH vs No. / mV vs No.) |
| reading prompts | Stabilization icon, Reading/Stable status |
| endpoint modes | Automatic / Manual / Time (selectable) |
| temperature compensation | ATC, MTC |
| data storage | 2000 measurements (GLP‑compliant) |
| data analysis | statistics, review, compare, preserve |
| power‑off protection | yes, data never lost |
| inputs, display & protection | |
| pH electrode input | BNC, impedance >3×10¹² Ω |
| temperature probe input | Cinch, NTC 30 kΩ |
| display | 5.0″ color touchscreen, 0.001‑grade display |
| outputs | RS‑232, USB (optional printer) |
| power & physical | |
| power | External adapter 9‑12 V DC |
| dimensions | 250 × 165 × 65 mm |
| housing | Bench top housing |
| 5.0″ color touchscreen | Intuitive touch operation, 0.001‑grade display, dynamic curve (pH/mV vs No.). |
| Multi‑point calibration (1‑9) | 9 buffer groups / 44 buffers auto‑recognition; user‑settable 9 points per group. |
| Flexible reading modes | Auto‑Read, Timed, Continuous; 3 endpoint options (Auto/Manual/Time). |
| GLP data management | 2000 sets with statistics, review, compare, preserve; 10 electrode slopes & 10 calibration datasets stored. |
| Electrode diagnostics | Slope preview and graphic calibration curve. |
| USB & RS‑232 | Connect to PC or optional printer for data export. |
| Power‑off protection | Data never lost even when power is removed. |
| research & development (high‑precision pH measurement) |
| pharmaceutical QC (buffer validation, stability studies) |
| food & beverage (critical acidity control, fermentation) |
| environmental monitoring (water, wastewater, soil extracts) |
| academic teaching (advanced electrochemistry) |
| industrial process control (chemical, metallurgical) |
| printer | Optional printer available for hard‑copy GLP reports via RS‑232. |
| electrode selection | Choose from COLO’s wide portfolio for specific sample types (pure water, viscous, organics). |
| calibration practice | Use fresh buffers and maintain temperature consistency for best accuracy; up to 9 points for highest precision. |
| software | Optional data transfer software for PC connection (USB / RS‑232). |
| topic | recommendation | note |
|---|---|---|
| calibration | Use 3‑9 points for critical work; monitor slope (95‑105%) and offset | Automatic buffer recognition for 44 buffers / 9 groups; store electrode data for traceability |
| temperature | Always use ATC probe for accurate pH; for MTC, measure sample temperature separately | ATC range: -30…135°C |
| electrode care | Rinse with distilled water; store in 3 M KCl; clean periodically | Prevents drift and prolongs life |
| data export | Use USB or RS‑232 for transfer to PC or optional printer | GLP‑compliant reports with date/time stamp |