COLO.Science · Technical Specification
VIKING-PH310T
Portable pH / mV Meter · Temperature Measurement · Touch Screen Operation
VIKING-PH310T Portable pH/mV Meter is a professional portable electrochemistry meter for accurate pH, mV and temperature measurement. The instrument combines a 4.3″ color touchscreen, 1–5 point pH calibration, automatic buffer recognition, electrode diagnostics, GLP-compliant data logging, USB connectivity, rechargeable Li battery and IP65 protection in a compact portable format.
Portable pH meter pH / mV Temperature 4.3″ touchscreen ±0.01 pH 5-point calibration ATC / MTC USB GLP-compliant IP65
Document type: Technical Specification Sheet
Product family: Portable Electrochemistry / Water Quality Meter
Model: VIKING-PH310T · SKU: PRO5388
Product page: colo.si/product/viking-310t-portable-ph-meter/
Format: A4 landscape · COLO.Science TechSpec v2.4 with navigation links
VIKING-PH310T portable pH meter main instrument with touchscreen
VIKING-PH310T · portable pH / mV / temperature meter · main instrument
Model / SKU VIKING-PH310T
PRO5388
Address / HQ Polje ob Sotli 4
SI-3255, Slovenia
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COLO.Science logo VIKING-PH310T · Portable pH / mV Meter
Technical data sheet · Informational document · Controlled electronic document
Product page: VIKING-PH310T on colo.si
VIKING-PH310T · technical specification Portable touchscreen meter for pH, mV and temperature measurement
pH range -2.00 to 20.00 mV ±2000.0 Temp. -5 to 110°C NIST / DIN / GB / USA Auto / timed / continuous read — Reliable portable pH and mV measurement for field and laboratory use
📋 Product Overview
Application profile
Water quality: suitable for drinking water, wastewater, environmental samples and routine water monitoring.
Field and laboratory use: portable format with protective case and carrying case for on-site and bench use.
Industrial sampling: supports pH, mV and temperature checks during process and quality control sampling.
Education and research: suitable for electrochemistry training, pH theory, millivolt measurement and calibration practice.
Design and handling advantage
Touchscreen interface: 4.3″ color high-contrast LCD touchscreen for parameter setup, calibration, measurement and data review.
Portable protection: silicone rubber protective case, wristbands and carrying case support practical mobile operation.
Calibration control: 1–5 point pH calibration with automatic buffer recognition and selectable buffer groups.
Data traceability: GLP-compliant data logging with date and time for measurement and calibration record management.
Key features
pH measurement: -2.00 to 20.00 pH range, 0.1 / 0.01 pH resolution and ±0.01 pH accuracy.
mV measurement: -2000.0 to 2000.0 mV range with 0.1 mV resolution.
Temperature measurement: -5 to 110°C range with ATC / MTC temperature compensation.
Measurement modes: Auto-Read, Timed-Read and Continuous-Read with Auto-Hold endpoint support.
Connectivity: USB output for PC or printer.
Protection: IP65 waterproof housing and rechargeable Li battery for portable operation.
Core technical summary
ParameterSpecification
ModelVIKING-PH310T
SKUPRO5388
Instrument typePortable pH / mV meter with temperature measurement
Display4.3″ color high-contrast LCD touchscreen
pH range-2.00 to 20.00 pH
pH accuracy±0.01 pH
mV range-2000.0 to 2000.0 mV
Temperature range-5 to 110°C
Data logging1000 data groups per parameter · GLP-compliant
ProtectionIP65
pH accuracy±0.01 pH
Calibration1–5 points
Data memory1000 groups / parameter
ProtectionIP65
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📊 Technical Specifications
Measurement ranges and performance
ParameterSpecification
pH range-2.00 to 20.00 pH
pH resolution0.1 / 0.01 pH
pH accuracy±0.01 pH
pH calibration1–5 points
Buffer recognitionAutomatic buffer recognition
Buffer groupsNIST, DIN, GB, USA; custom buffers supported
mV range-2000.0 to 2000.0 mV
mV resolution0.1 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 resolution0.1
Temperature accuracy±0.2°C
Temperature compensationATC / MTC
Measurement and reading modes
FunctionTechnical note
Auto-ReadFast / Medium / Slow reading stability options.
Timed ReadTimed reading mode for scheduled measurement intervals.
Continuous ReadContinuous measurement display for real-time monitoring.
Reading promptsReading / Stable / Locked prompts.
Endpoint captureAuto-Hold function for endpoint detection and locking.
System, data and connectivity
ParameterSpecification
Display4.3″ color high-contrast LCD touchscreen with backlight.
Electrode diagnosticsAutomatic electrode diagnostics with pH slope and offset display.
Data capacity1000 data groups per parameter.
GLP supportGLP-compliant logging with date and time stamp.
pH electrode inputBNC / Q9 connector.
Temperature probe input4-pin aviation connector.
OutputUSB output for PC or printer.
Auto shutdown300 / 600 / 1200 / 1800 / 3600 seconds, or off.
Power supplyRechargeable Li battery; AC adapter 100–240 V AC input, 5 V DC output.
Protection ratingIP65 waterproof housing.
Dimensions90 × 255 × 40 mm.
WeightApprox. 500 g / 1.1 lb.
Product pageOpen VIKING-PH310T product page
PDF catalogOpen 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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🧰 Standard Delivery, Accessories and Visual Support
VIKING-PH310T set with carrying case and accessories
VIKING-PH310T · carrying case and accessories
Typical standard delivery
3-in-1 pH composite electrode: supplied for routine pH and temperature measurement workflows.
NIST pH standard solutions: pH 4.01, 7.00 and 10.01; 50 mL per vial.
Electrode holder: support accessory for stable electrode handling.
Protective case: silicone rubber protective case with wristbands.
Touch pen: accessory for touchscreen operation.
Carrying case: protective storage and transport case for field and laboratory use.
Product image references
VIKING-PH310T portable pH meter main instrument
Main instrument · 4.3″ touchscreen portable meter
VIKING-PH310T portable pH meter kit with carrying case and accessories
Carrying case · accessories and standard kit

Navigation note — this specification is linked back to COLO.Science

This technical specification contains direct links to the product page, quotation request page, COLO.Science home page and water-quality knowledge area. If a user opens this document directly from Google or on a mobile device, the page remains connected to the main website and quotation path.

📌 Selection and Use Notes
For water quality
Routine pH: select appropriate buffers and electrode maintenance procedure.
mV measurement: confirm method and reporting requirement where millivolt readings are used.
For field work
Protection: use carrying case, wristband and protective case during transport and field sampling.
Power: confirm battery charging before extended on-site measurement sessions.
For GLP workflows
Traceability: use date/time logging and review stored readings for measurement records.
Calibration: document buffer group, calibration points and electrode condition.
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COLO.Science · Final Support Page
Manufacturer and support
COLO Lab Experts
Polje ob Sotli 4, SI-3255, Slovenia
Selection guidance: Send the sample type, required pH range, temperature range, field/laboratory use case and preferred electrode configuration. COLO.Science can help confirm the correct VIKING-PH310T configuration and accessory set for your measurement workflow.
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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