COLO.Science · Technical Specification
VIKING-M300A
Benchtop Multiparameter Analyzer · pH / Conductivity / ISE / mV / pX / Resistivity / TDS / Salinity / Temperature
VIKING-M300A Benchtop Multiparameter Analyzer is a professional electrochemistry and water-quality instrument for laboratory measurement of pH, conductivity, ISE, mV, pX, resistivity, TDS, salinity and temperature. The analyzer combines a 7.0″ high-resolution LCD, GLP data handling, multi-reading modes, automatic/manual temperature compensation, USB and RS-232 communication and IP54 housing in a compact benchtop format.
Benchtop analyzer
pH / COND / ISE
mV / pX
Resistivity / TDS / Salinity
7.0″ LCD
±0.01 pH
±0.5% ISE
EC to 1000 mS/cm
GLP memory
USB / RS-232
IP54
VIKING-M300A · benchtop multiparameter analyzer · main unit
Model / SKU
VIKING-M300A
PRO5384
PRO5384
Address / HQ
Polje ob Sotli 4
SI-3255, Slovenia
SI-3255, Slovenia
Contact
sales@colo.si
+386 64 222 724
+386 64 222 724
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VIKING-M300A · Benchtop Multiparameter Analyzer
Technical data sheet · Informational document · Controlled electronic document
COLO.Science: colo.si
COLO.Science: colo.si
VIKING-M300A · technical specification
Benchtop analyzer for pH, EC, ISE, mV, pX, resistivity, TDS, salinity and temperature measurement
pH -2.00 to 20.00
mV ±2000.0
ISE 1.000e-9 to 9.999e+9
EC 0.000 μS/cm to 1000 mS/cm
Temp. -5 to 110°C
— Multi-parameter laboratory measurement with GLP records and PC output
📋 Product Overview
Application profile
Water quality laboratories: pH, conductivity, TDS, salinity, resistivity and temperature measurement for routine water and environmental samples.
Ion-selective measurement: ISE support with concentration units including μg/L, mg/L, g/L, mmol/L, ppm and ppb.
Quality control: suitable for general laboratory QA/QC where traceable calibration, data storage and repeatable reading modes are required.
Education and research: supports pH, mV, pX and ion-selective measurement methods in electrochemistry workflows.
Design and handling advantage
Large display: 7.0″ high-resolution LCD for clear bench operation and multi-parameter reading visibility.
Flexible reading: Auto-Read, Timed-Read and Continuous-Read modes with endpoint Auto-Hold.
Calibration control: up to 5-point pH and ISE calibration; up to 3-point conductivity calibration with standard recognition.
Connectivity: USB and RS-232 outputs support PC software, data transfer and printer communication.
Key features
pH measurement: -2.00 to 20.00 pH range, 0.1 / 0.01 pH resolution and ±0.01 pH accuracy.
ISE measurement: ion-selective concentration range from 1.000e-9 to 9.999e+9 with up to 4 significant digits.
Conductivity: 0.000 μS/cm to 1000 mS/cm range with selectable cell constant, temperature coefficient and TDS factor.
Temperature: -5 to 110°C measurement range with ATC and MTC compensation.
GLP memory: 500 data sets per parameter for pH, ISE, EC and temperature workflows.
Housing: IP54 water-resistant benchtop housing.
Core technical summary
| Parameter | Specification |
|---|---|
| Model | VIKING-M300A |
| SKU | PRO5384 |
| Instrument type | Benchtop multiparameter analyzer |
| Main parameters | pH / COND / ISE / Temp. / mV / pX / Resistivity / TDS / Salinity |
| Display | 7.0″ high-resolution LCD |
| pH accuracy | ±0.01 pH |
| ISE accuracy | ±0.5% |
| EC accuracy | ±1.0% FS |
| Data logging | 500 results per parameter · GLP functions |
| Protection | IP54 |
pH accuracy±0.01 pH
ISE calibrationUp to 5 points
EC range0.000 μS/cm - 1000 mS/cm
Data memory500 results / parameter
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📊 Technical Specifications · pH / mV / pX / ISE
Overview and pH performance
| Parameter | Specification |
|---|---|
| Model | VIKING-M300A |
| Parameters | pH / COND / ISE / Temp. (mV / pX / Resistivity / TDS / Salinity) |
| pH range | -2.00 to 20.00 pH |
| pH resolution | 0.1 / 0.01 pH |
| pH accuracy | ±0.01 pH |
| pH calibration points | Up to 5 |
| pH standards | NIST, GB, USA, DIN |
| Additional buffer group | GOST listed in functional description |
| Slope limit | Yes |
| Electrode diagnostics | Automatic electrode diagnostics with slope and offset display |
mV and pX measurement
| Parameter | Specification |
|---|---|
| mV range | -2000.0 to 2000.0 mV |
| mV resolution | 0.1 mV |
| mV accuracy | ±0.3 mV or ±0.1% |
| pX range | -2.00 to 20.00 pX |
| pX resolution | 0.1 / 0.01 pX |
| pX accuracy | ±0.01 pX |
| pX calibration | Up to 5 points |
ISE - Ion-Selective measurement
| Parameter | Specification |
|---|---|
| ISE range | 1.000e-9 to 9.999e+9 |
| ISE units | mol/L, mmol/L, g/L, mg/L, μg/L, ppm, ppb |
| Additional display units | μg/L, mg/L, g/L, mmol/L, pX, ppm, ppb |
| ISE resolution | Up to 4 significant digits |
| ISE accuracy | ±0.5% |
| ISE calibration | Up to 5 points |
| Fitting mode | Polyline or linear fitting |
| Reading mode | Direct Reading mode |
| Built-in methods | F-, Cl-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+, NH3-N + user methods |
Reading control and GLP
| Function | Technical note |
|---|---|
| Reading modes | Auto-Read, Timed-Read and Continuous-Read |
| Auto mode | Fast / Medium / Slow reading stability options |
| Endpoint control | Auto-Hold detects and locks the measurement endpoint |
| Prompts | Reading, Stable, Locked |
| Temperature compensation | Automatic / Manual temperature compensation (ATC / MTC) |
| Data storage | 500 results per parameter |
| GLP features | Yes; date and time supported |
DO note
Connector support: the provided specification lists a DO + temperature probe input with a 4-pin connector.
Range note: DO measurement range and DO accuracy are not defined in the supplied technical data and should be confirmed before quotation or tender submission.
Technical values are provided for product selection and orientation. Final delivered configuration, electrode type, probe set and documentation should be confirmed through the official COLO.Science quotation or manufacturer-confirmed offer.
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📊 Technical Specifications · Conductivity / Resistivity / TDS / Salinity / Temperature
Conductivity / Resistivity / TDS / Salinity
| Parameter | Specification |
|---|---|
| Conductivity range | 0.000 μS/cm to 1000 mS/cm |
| EC resolution | Minimum 0.001 μS/cm; varies with range |
| EC accuracy | ±1.0% FS |
| Reference temperature | 20°C, 25°C |
| EC calibration | Up to 3 points |
| EC standards | 84 μS/cm, 1413 μS/cm, 12.88 mS/cm |
| Settable parameters | Cell constant, temperature coefficient, TDS factor |
| Compensation types | None, linear, pure water |
| Resistivity | 5.00 Ω·cm to 20.00 MΩ·cm; minimum resolution 0.01 Ω·cm |
| TDS | 0.00 ppm to 300 ppt; minimum resolution 0.01 mg/L, varies with range |
| Salinity | 0.0-80.0 ppt; 0.00-8.00 %NaCl; resolution 0.1 |
| Salinity accuracy | ±2 ppt |
Conductivity workflow notes
Calibration control: use 84 μS/cm, 1413 μS/cm or 12.88 mS/cm standards according to the expected sample range.
Sample type: select temperature compensation mode according to routine conductivity, low-conductivity or pure-water workflow.
Reporting: conductivity, resistivity, TDS and salinity outputs should be confirmed against the laboratory method before use in QC records.
Temperature and measurement control
| Parameter | Specification |
|---|---|
| Temperature range | -5 to 110°C / 23 to 230°F |
| Temperature units | °C, °F |
| Temperature resolution | 0.1 |
| Temperature accuracy | ±0.2°C |
| Reading modes | Auto (Fast / Medium / Slow), Timed, Continuous |
| Prompts | Reading, Stable, Locked |
| Temp. compensation | ATC, MTC |
| Endpoint control | Auto-Hold detects and locks the measurement endpoint |
| Factory reset | Factory reset to default settings |
DO input note
Connector support: the supplied specification lists a DO + temperature probe input with a 4-pin connector.
Confirmation required: DO range, resolution and accuracy are not defined in the supplied data and should be confirmed before quotation, tender submission or final product-page publication.
Document-use note
Technical orientation: values in this sheet are arranged for product selection, website publication and quotation preparation.
Configuration control: final delivered electrode/probe set should be verified through the official COLO.Science offer.
EC range0.000 μS/cm - 1000 mS/cm
EC accuracy±1.0% FS
Temperature-5 to 110°C
ModesAuto / timed / continuous
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🧰 System, Delivery Set, Selection Notes and Visual Support
Memory, inputs / outputs and general data
| Parameter | Specification |
|---|---|
| Data storage | 500 results per parameter |
| GLP features | Yes |
| Inputs | pH electrode (BNC/Q9); DO + Temp. probe (4-pin); Conductivity + Temp. probe (5-pin) |
| Outputs | USB (PC), RS-232 (printer) |
| PC software | Via USB |
| Backlight | Yes |
| Auto shutdown | 1-60 min, or off |
| IP rating | IP54 |
| Date and time | Yes |
| Power | AC adapter, 100-240 V AC input, DC 20 V output |
| Dimensions | 242 × 195 × 68 mm |
| Net weight | 900 g / 1.98 lb |
| Carton | 370 × 305 × 330 mm; shipping weight 3.5 kg |
Selection notes
pH workflow: confirm required buffer group, number of calibration points and electrode type for the sample matrix.
ISE workflow: confirm target ion, expected concentration range, reporting unit and whether a built-in or user-defined method is required.
Conductivity workflow: confirm cell constant, reference temperature, temperature compensation type and required EC / TDS / salinity output.
Standard included items
| Included item | Specification / SKU |
|---|---|
| pH electrode | 3-in-1 pH composite electrode — PRO4153 |
| Conductivity electrode | EC electrode — PRO6154 |
| pH standards | NIST pH 4.01 / 7.00 / 10.01; 50 ml each |
| EC standard | 1413 μS/cm EC standard; 50 ml |
| Electrode stand | EHO-5 electrode stand |
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, so the document remains connected to the main website and quotation path.
Display7.0″ LCD
ProtectionIP54
InterfacesUSB + RS-232
Weight900 g
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COLO.Science · Final Support Page
Supplier and support
COLO Lab Experts
Polje ob Sotli 4, SI-3255, Slovenia
Selection guidance: send sample matrix, required parameters, target ions, conductivity range, temperature range, calibration standard and required electrode/probe configuration.
Quick contact
COLO.Science · VIKING-M300A support
Need help selecting the correct pH / COND / ISE analyzer configuration?
COLO.Science can help confirm whether VIKING-M300A is the correct benchtop analyzer configuration for your water quality, environmental, industrial or QA/QC workflow.
Official configuration notice: this technical specification is provided for orientation and product selection only. The final binding specification, delivered configuration, accessory set and acceptance criteria are defined only by the official COLO.Science quotation, order confirmation or manufacturer-approved technical offer for the exact configuration.
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