COLO.Science — PORTABLE WATER QUALITY METER — VIKING-PH310F
VIKING-PH310F Portable pH / mV Meter | COLO.Science pH / mV Meter with Temperature Measurement
VIKING-PH310F Portable pH/mV Meter is a professional portable electrochemistry instrument for accurate pH, mV and temperature measurement in laboratory and field environments. With a 3.5″ backlit LCD, ±0.01 pH accuracy, 1–5 point pH calibration, automatic buffer recognition, electrode diagnostics, ATC / MTC temperature compensation, USB output, GLP functions and IP65 protection, VIKING-PH310F is suitable for water quality testing, environmental monitoring, QA/QC laboratories, education, research and industrial process sampling.
pH / mV
Temperature
3.5″ LCD
±0.01 pH
5-point calibration
GLP memory
IP65
SKU PRO3567
COLO.SCIENCE — WATER QUALITY / PORTABLE ELECTROCHEMISTRY METERS
Portable pH and mV meter for water quality, field measurement and laboratory QA/QC
The VIKING-PH310F Portable pH Meter is designed for users who need reliable pH, mV and temperature measurement in one compact instrument. It combines a clear backlit display, automatic buffer recognition, electrode diagnostics and GLP functions for routine and professional electrochemical testing.
With -2.00 to 20.00 pH measurement range, ±0.01 pH accuracy, 1–5 point calibration, selectable NIST, DIN, GB and USA buffer groups, mV measurement, ATC / MTC temperature compensation and IP65 protection, VIKING-PH310F is suitable for water quality control, wastewater monitoring, industrial sampling, education and laboratory quality control.
Key features
- Portable pH / mV meter with temperature measurement and compensation.
- 3.5″ backlit LCD with clear menus for routine measurement workflows.
- pH range -2.00 to 20.00 pH with 0.1 / 0.01 pH resolution.
- pH accuracy ±0.01 pH for reliable laboratory and field measurements.
- 1–5 point pH calibration with automatic buffer recognition.
- NIST, DIN, GB and USA buffer groups with custom buffer support.
- Electrode diagnostics with slope and offset display.
- GLP functions and memory for 500 results per parameter.
- USB output for simplified data transfer and reporting.
- IP65 housing and rechargeable Li battery for portable use.
Suitable for
- Drinking water, wastewater and general water quality testing.
- Environmental monitoring and field sampling.
- Industrial effluent and process sample control.
- Food & beverage QA/QC, fermentation and agriculture.
- Education, research institutions and electrochemistry training.
- Laboratories that need portable pH, mV and temperature data with traceable records.
TECHNICAL SPECIFICATIONS — VIKING-PH310F PORTABLE PH / MV METER
| Model | VIKING-PH310F |
| Product type | Portable pH / mV meter with temperature measurement |
| SKU | PRO3567 |
| Display | 3.5″ LCD with backlight |
| Measured parameters | pH, mV and temperature |
| 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 with 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 / accuracy | 0.1 / ±0.2°C |
| Temperature compensation | ATC / MTC |
| Measurement modes | Auto-Read, Timed Read, Continuous Read, Auto-Hold |
| Reading prompts | Reading, Stable, Locked |
| Electrode diagnostics | Automatic electrode diagnostics with pH slope and offset display |
| Data capacity | 500 results per parameter; GLP functions with date and time record support |
| Electrode / temperature input | BNC / Q9 electrode connector; 4-pin aviation temperature connector |
| Output | USB output for transfer and reporting |
| Auto shutdown | 300 / 600 / 1200 / 1800 / 3600 s, or off |
| Power supply | Rechargeable Li battery; AC adapter 100–240 V AC input, 5 V DC output |
| Protection rating | IP65 housing |
| Dimensions | 80 × 255 × 35 mm |
| Weight | Approx. 400 g |
| HTML TechSpec | Open VIKING-PH310F technical specification |
| PDF Datasheet | Open VIKING-PH310F PDF datasheet |
Final electrode type, accessory kit and delivered configuration should be confirmed before quotation. Technical data is provided for product selection and may vary according to configuration, electrode selection and regional delivery package.
Standard delivery and portable kit
VIKING-PH310F is supplied as a portable measuring system with accessories for routine pH measurement and practical field handling. The standard delivery typically includes a PRO4153 3-in-1 composite pH electrode, NIST pH buffer solutions, electrode holder, protective silicone cover, wrist strap and carrying case. Exact contents may vary depending on configuration and region.
VIKING-PH310F main unit
Portable pH / mV / temperature meter with 3.5″ backlit LCD.
Carrying case and accessories
Protective carrying case and accessory kit for portable laboratory and field use.
COLO.SCIENCE VIDEO
VIKING-PH310F product video demonstration
It shows installation, parameter settings, calibration and measurement.
VIKING-PH310F operation video: installation, parameter settings, calibration and measurement (5:11). Open the video in a new window
ELECTRODES AND ACCESSORIES
Electrodes and accessories for the VIKING-PH310F portable pH / mV meter
The VIKING-PH310F portable pH / mV meter is delivered with the 3-in-1 electrode E-301-QC, pH buffers and a carrying case. For special samples choose a dedicated electrode — BNC (Q9) electrodes connect directly, S7-head electrodes connect by cable.
PRO4153
3-in-1 pH composite electrode E-301-QC
pH + reference + temperature in one body; Ag/AgCl, 0–14 pH, BNC (Q9) and 4-pin connector.
Standard delivery
PRO6122
pH buffer set 4.01 / 7.00 / 10.01
Standard pH buffer solutions, 50 mL each, for 3-point calibration.
Standard delivery
PRO7006
Carrying case
Protective case for the meter, electrode and buffers in field use.
Standard delivery
PRO6995
3-in-1 pH electrode, Premium Longlife
Longlife reference system (Ref.+) for longer service intervals; BNC (Q9) and 4-pin connector.
Optional
PRO6137
pH electrode E-201-Z, spear tip
Piercing tip for semi-solid samples; Ag/AgCl, Φ12×120 mm, BNC (Q9) — connects directly.
Optional
PRO6144
pH electrode, blade spear (knife)
Knife-shaped POM / 316 stainless steel body for cheese, meat and fruit; S7 head, connected by cable.
Optional
PRO6138
pH electrode E-201-P, flat surface
Flat sensing membrane for surface pH on paper, leather, agar and skin; BNC (Q9) — connects directly.
Optional
PRO6146
pH electrode, slender
Thin Φ6×100 mm shaft for small vessels and test tubes; S7 head, connected by cable.
Optional
PRO6147
pH electrode, long
Long Φ12×260 mm shaft for deep containers and bottles; S7 head, connected by cable.
Optional
PRO6998
Thermal printer 771000
Prints measurement and calibration records for GLP documentation.
Optional
More electrodes and accessories
- PRO6996 — 3-in-1 pH electrode for ultrapure water
- PRO6997 — 3-in-1 pH electrode, high temperature
- PRO6126 — 3 M KCl electrolyte, 250 mL
Tell us your sample and we will confirm the right electrode for your VIKING-PH310F portable pH / mV meter. Full electrode range: Electrochemistry catalogue →
COLO.SCIENCE KNOWLEDGE
Learn more about pH, mV and water quality measurement
Explore COLO.Science resources covering pH theory, calibration buffers, electrode care, millivolt measurement and practical water quality testing workflows.
Applications and laboratory value
Water quality and wastewater
VIKING-PH310F supports pH, mV and temperature checks for drinking water, wastewater, environmental water samples and industrial effluent control.
Field and on-site measurements
The compact housing, protective cover, rechargeable battery and carrying case make the instrument suitable for field sampling and mobile laboratory use.
Food, beverage and agriculture
Accurate pH measurement can support fermentation control, food and beverage QA/QC, agricultural testing and process sample monitoring.
Education and research
The clear LCD interface, calibration functions and electrode diagnostics make VIKING-PH310F useful for electrochemistry training, research and method development.
How to choose the correct VIKING-PH310F configuration
When selecting a portable pH meter, the laboratory should define the sample type, required pH range, temperature range, calibration procedure, data logging needs and whether the instrument will be used mainly in the laboratory, in the field or in both environments. VIKING-PH310F is suitable when the user requires reliable pH accuracy, GLP-supported records and practical portable handling.
Electrode selection is important for real measurement performance. Before quotation, COLO.Science recommends confirming the sample matrix, electrode body type, cable and connector needs, temperature compensation requirement, calibration buffers and expected pH / mV reporting workflow.
VIKING-PH310F as a portable pH meter for daily water quality work
VIKING-PH310F Portable pH Meter is useful when a laboratory or field team needs a dependable portable instrument for pH, mV and temperature measurement. Instead of working with a basic handheld tester, users can operate a professional pH/mV system with calibration management, electrode diagnostics, measurement modes, data storage and USB output.
The combination of ±0.01 pH accuracy, 1–5 point calibration, automatic buffer recognition and selectable NIST, DIN, GB and USA buffer groups makes VIKING-PH310F suitable for routine laboratory control and field measurement workflows. IP65 protection, rechargeable Li battery, carrying case and protective accessories support practical use outside the laboratory, while GLP functions help laboratories maintain clearer measurement records.
Configuration notice — portable meters are delivered according to application requirements
Portable pH / mV meters are typically selected according to sample type, electrode configuration, calibration procedure, temperature range, field use and documentation needs.
Available configurations, compatible electrodes and accessory sets should be confirmed before quotation.
The content shown on this website is provided for general information and may not represent the final delivered configuration.
Sales and support for international customers
COLO Lab ExpertsPolje ob Sotli 4, SI-3255 Buče, Slovenia
Phone: +386 70 713 437 · Email: sales@colo.si · Web: colo.si
We supply laboratories across Europe directly and through partners. B2B prices are quoted net, excluding VAT.
