📊 Technical Specifications
Measurement ranges and performance
| Parameter | Specification |
| pH range | -2.00 to 20.00 pH |
| pH resolution | 0.1 / 0.01 pH |
| pH accuracy | ±0.01 pH |
| pH calibration | 1–5 points |
| Buffer recognition | Automatic buffer recognition |
| Buffer groups | NIST, DIN, GB, USA; custom buffers supported |
| mV range | -2000.0 to 2000.0 mV |
| mV resolution | 0.1 mV |
| mV accuracy | ±0.3 mV or ±0.1% FS |
| Temperature range | -5 to 110°C / 23 to 230°F |
| Temperature units | °C, °F |
| Temperature resolution | 0.1 |
| Temperature accuracy | ±0.2°C |
| Temperature compensation | ATC / MTC |
Measurement and reading modes
| Function | Technical note |
| Auto-Read | Fast / Medium / Slow reading stability options. |
| Timed Read | Timed reading mode for scheduled measurement intervals. |
| Continuous Read | Continuous measurement display for real-time monitoring. |
| Reading prompts | Reading / Stable / Locked prompts. |
| Endpoint capture | Auto-Hold function for endpoint detection and locking. |
System, data and connectivity
| Parameter | Specification |
| Display | 4.3″ color high-contrast LCD touchscreen with backlight. |
| Electrode diagnostics | Automatic electrode diagnostics with pH slope and offset display. |
| Data capacity | 1000 data groups per parameter. |
| GLP support | GLP-compliant logging with date and time stamp. |
| pH electrode input | BNC / Q9 connector. |
| Temperature probe input | 4-pin aviation connector. |
| Output | USB output for PC or printer. |
| Auto shutdown | 300 / 600 / 1200 / 1800 / 3600 seconds, or off. |
| Power supply | Rechargeable Li battery; AC adapter 100–240 V AC input, 5 V DC output. |
| Protection rating | IP65 waterproof housing. |
| Dimensions | 90 × 255 × 40 mm. |
| Weight | Approx. 500 g / 1.1 lb. |
| Product page | Open VIKING-PH310T product page |
| PDF catalog | Open VIKING-310T PDF |
Specification note
Electrode selection: final configuration should match the sample matrix, required pH range and temperature conditions.
Calibration: buffer group should match the laboratory procedure and reporting standard.
Field use: carrying case, protective case and rechargeable battery support portable measurement workflows.
Technical values are provided for product selection and orientation. Final delivered configuration, electrode type, accessory set 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-PH310T portable pH / mV meter support
Need help selecting the correct portable pH meter configuration?
Send the sample matrix, required measurement parameters, calibration standard, electrode type and expected field or laboratory use.
COLO.Science can help confirm whether VIKING-PH310T is the correct configuration for your water quality, environmental or QA/QC 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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