COLO.Science · Technical Specification
VIKING-M310F
Portable Multi-parameter Water Analyzer · pH / EC / ISE / DO / Temperature
VIKING-M310F Portable Multi-parameter Water Analyzer is a compact field-ready electrochemistry instrument for pH, ion-selective electrodes, conductivity, dissolved oxygen and temperature. It also supports mV, pX, resistivity, TDS, salinity and DO saturation. The instrument combines a 3.5" LCD, IP65 portable housing, rechargeable battery, USB communication and GLP-oriented data storage in a single portable water-quality platform.
Portable analyzerpH / mV / pXIon ISEEC conductivityDO oxygenTDS / salinityResistivityTemperature3.5" LCDUSBIP65GLP 500 sets
Document type: Technical Specification Sheet
Product family: Portable Electrochemistry / Water Quality Multi-parameter Analyzer
Model: VIKING-M310F · Product number / SKU: PRO6093
Product page: to be assigned on colo.si
Format: A4 landscape · COLO.Science TechSpec template with navigation links
VIKING-M310F portable multi-parameter water analyzer main unit SKU PRO6093
VIKING-M310F · portable pH / EC / ISE / DO water analyzer · main unit
Model / SKUVIKING-M310F
PRO6093
Address / HQPolje ob Sotli 4
SI-3255, Slovenia
Page 1 / 5
COLO.Science logoVIKING-M310F · Portable Multi-parameter Analyzer
Technical data sheet · Informational document · Controlled electronic document
Main website: colo.si
VIKING-M310F · technical specificationPortable analyzer for pH, ISE, EC, dissolved oxygen, TDS, salinity, resistivity and temperature
pH -2.00 to 20.00EC up to 500 mS/cmDO 0.00 to 50.00 ppmTemp. -5 to 110°C- Compact field workflow for laboratory, plant and outdoor water testing
Product Overview
Application profile
Water quality: designed for pH, EC, ISE, dissolved oxygen, TDS, salinity, resistivity and temperature checks.
Field operation: IP65 portable housing, rechargeable battery and carrying case support outdoor and on-site measurements.
Ion measurement: ISE workflow includes direct, standard addition, sample addition and GRAN methods.
Routine testing: suitable for water-quality labs, environmental monitoring, industrial process control and inspections.
Design and handling advantage
3.5" LCD: backlit display supports faster setup, status review and routine measurement control.
Endpoint handling: auto-hold endpoint lock with Reading / Stable / Locked prompts helps reduce operator uncertainty.
Traceability: up to 500 data sets per parameter with GLP-compliant data handling.
Data transfer: USB communication supports PC or printer workflows for reporting and documentation.
Key features
Multi-reading: Auto-Read, Timed Read and Continuous Read measurement modes.
Temperature handling: automatic or manual temperature compensation (ATC / MTC).
Calibration support: pH and ISE up to 5 points; conductivity up to 3 points.
Conductivity setup: selectable cell constant, temperature coefficient and TDS factor.
DO correction: automatic barometric pressure compensation and manual salinity correction.
Display3.5" LCD with backlight
Storage500 results per parameter
ProtectionIP65 portable housing
Weight400 g
Measurement modules
pH / mV / pX / ISE: pH electrode diagnostics, ISE concentration units and built-in ion methods.
Conductivity / TDS / Salinity / Resistivity: standard recognition for 84 μS/cm, 1413 μS/cm and 12.88 mS/cm.
Dissolved oxygen: polarographic DO electrode with air-saturated water or zero oxygen calibration.
Page 2 / 5
pH / mV / pX / ISE Specifications
pH, mV and pX
ParameterSpecificationCalibration / notes
pH range-2.00 to 20.00 pHRoutine pH and field water testing
pH resolution0.1 / 0.01 pHSelectable display resolution
pH accuracy±0.01 pHElectrode and calibration dependent
pH calibration1-5 pointsStandard recognition
pH buffer groupsNIST, GB, USA, DINSlope limit and recognition supported
pH diagnosticsSlope and offsetSupports electrode condition review
mV range-2000.0 to 2000.0 mVResolution 0.1 mV
mV accuracy±0.3 mV or ±0.1%Use according to method requirement
pX range-2.00 to 20.00 pX0.1 / 0.01 pX resolution
pX accuracy±0.01 pXCalibration up to 5 points
pH method note
Calibration quality: select fresh buffers, correct electrode condition and the appropriate temperature compensation mode before routine measurement.
Field measurements: rinse electrodes, stabilize readings and use endpoint lock where repeatability is required.
Ion-selective electrode (ISE)
ParameterSpecificationCalibration / notes
ISE range1.000e-9 to 9.999e+9Method and electrode dependent
Unitsmol/L, mmol/L, g/L, mg/L, μg/L, ppm, ppbpX display supported
ResolutionUp to 4 significant digitsDepends on concentration range
ISE accuracy±0.5%Electrode, matrix and calibration dependent
ISE calibration1-5 pointsSupports calibration curves
MethodsDirect, Standard Addition, Sample Addition, GRANUse according to sample matrix
Built-in ionsF-, Cl-, Br-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+; user-defined method supported.
ISE method note
Matrix control: define the target ion, ionic strength adjustment and sample preparation before selecting electrode accessories.
Method selection: direct measurement is efficient for routine samples, while addition methods may be preferred for complex matrices.
pH calibration1-5 points
ISE calibration1-5 points
pX calibrationUp to 5 points
Technical values are provided for product selection and orientation. Final electrode type, calibration method, ion method and accessory configuration should be confirmed through the official COLO.Science quotation or manufacturer-confirmed offer.
Page 3 / 5
Conductivity / DO / Temperature / System Specifications
Conductivity-related parameters
ParameterRange / resolution / accuracyCalibration / notes
Conductivity0.000 μS/cm to 500 mS/cmUp to 3-point calibration
EC resolutionMinimum 0.001 μS/cm; varies by rangeAuto-ranging display
EC accuracy±1.0% FSFull-scale accuracy
EC standards84 μS/cm, 1413 μS/cm, 12.88 mS/cm.
Reference temperature20 / 25°CSelectable reference temperature
Temperature compensationNone / linear / pure waterFor conductivity-related calculations
Configurable factorsCell constant, temperature coefficient, TDS factorSet according to method
Resistivity5.00 Ω·cm to 20.00 MΩ·cmMin. 0.01 Ω·cm; ±1.0% FS
TDS0.00 ppm to 300 pptMin. 0.01 ppm; ±1.0% FS
Salinity0.0 to 80.0 ppt0.1 ppt resolution; ±2 ppt accuracy
Temperature and measurement modes
ParameterSpecification
Temperature range-5 to 110°C / 23 to 230°F
Temperature resolution / accuracy0.1 · ±0.2°C
Temperature units°C / °F
Measurement modesAuto-Read Fast / Medium / Slow, Timed, Continuous
PromptsReading / Stable / Locked
CompensationATC / MTC
Dissolved oxygen (DO)
ParameterSpecification
DO sensorPolarographic DO electrode
DO concentration range0.00 to 50.00 ppm
DO concentration resolution / accuracy0.01 ppm · ±0.10 ppm
DO calibrationAir-saturated water or zero oxygen point
Barometric compensationAutomatic
Salinity correctionManual, as required
DO saturation range0.0 to 300.0%
DO saturation resolution / accuracy0.10% · ±2.0%
System, power and dimensions
ParameterSpecification
Data and GLPUp to 500 results per parameter; GLP features: Yes
InputspH BNC (Q9); DO + Temp 4-pin aviation; Conductivity + Temp 5-pin aviation
OutputUSB (PC / printer)
Display3.5" LCD; backlight; date and time
Auto shutdown300 / 600 / 1200 / 1800 / 3600 s or Off
ProtectionIP65
PowerRechargeable Li battery; AC adapter 100-240 V input, DC 5 V output
Dimensions / weight80 x 225 x 35 mm; 400 g (0.88 lb)
Carton / gross weight490 x 410 x 220 mm; 5.5 kg
VIKING-M310F carrying case and standard packing
VIKING-M310F · carrying case and standard portable measurement kit
Typical standard delivery
Electrodes: 3-in-1 pH composite electrode, EC electrode and polarographic DO electrode.
Standards: NIST pH buffers 4.01 / 7.00 / 10.01, 50 mL each, plus 1413 μS/cm EC standard solution, 50 mL.
Accessories: electrode holder, silicone rubber case, wristbands and carrying case.
Final scope: exact delivered contents should be confirmed in the official quotation.
VIKING-M310F LCD display
3.5" LCD display · measurement setup and routine operation
VIKING-M310F electrode and temperature inputs
Electrode and temperature inputs · pH, EC, DO and USB workflow
Page 4 / 5
COLO.Science · Selection and quotation support
Selection and Use Notes
For water quality
Routine pH / EC: define sample range, calibration buffers, EC standards and reporting units before purchase.
Salinity / TDS: confirm conversion factor, reference temperature and temperature compensation approach.
For ISE work
Ion method: choose direct, standard addition, sample addition or GRAN according to sample matrix.
Electrode set: select the correct ion-selective electrode and ionic strength adjustment procedure.
For field workflows
Portability: IP65 housing, carrying case and rechargeable battery support plant and outdoor measurements.
Traceability: use GLP storage and data review for routine QC records.
Configuration notice

Portable multi-parameter analyzers may be delivered in different configurations depending on selected pH, EC, DO and ISE probes, calibration standards, carrying case, holders and accessories. The official quotation defines the final scope of supply. Website and technical-sheet content is provided for general product presentation and may not represent the exact delivered configuration. Specifications may change without notice.

Manufacturer and support
COLO Lab Experts
Polje ob Sotli 4, SI-3255, Slovenia
Selection guidance: Send required parameters, sample matrix, expected measuring range, calibration method, electrode type and field/laboratory use case. COLO.Science can help confirm the correct VIKING-M310F configuration and accessory set for your measurement workflow.
Quick contact
COLO.Science · VIKING-M310F portable multi-parameter analyzer support

Need help selecting the correct pH, EC, ISE and DO configuration?

Send the sample matrix, required parameters, expected ranges, electrode configuration and calibration standards. COLO.Science can support product selection, accessory matching and quotation preparation for VIKING-M310F.

This technical sheet is an informational product-selection document. Final configuration and official technical values should be verified in the manufacturer-confirmed quotation.
Disclaimer: Technical specifications, images and descriptions are provided for product identification and preliminary selection only. They do not replace an official manufacturer datasheet, validated quotation or contract specification. Final supplied configuration may differ depending on selected probes, accessories, stock status and regional availability. Values are subject to change without prior notice.
Page 5 / 5