COLO.Science · Technical SpecificationVIKING-PH210
Portable pH / mV Meter · Temperature · 3.5″ LCD · IP65
VIKING-PH210 Portable pH / mV Meter is a compact, rugged portable meter for reliable pH, mV and temperature measurement in the field and in the laboratory. It combines a 3.5″ backlit LCD, 1–3 point pH calibration with automatic NIST buffer recognition, Auto-Read with endpoint hold, 200-result memory per parameter, a rechargeable Li battery and IP65 protection.
Portable pH meterpH / mVTemperature3.5″ LCD±0.01 pH1–3 point calibrationNISTATC / MTC200 resultsIP65
VIKING-PH210 · Portable pH / mV Meter
► Watch the operation video (4:25) · installation, settings, calibration and measurement
Model / SKUVIKING-PH210
PRO6078
PRO6078
Address / HQPolje ob Sotli 4
SI-3255, Slovenia
SI-3255, Slovenia
Contactsales@colo.si
+386 70 713 437
+386 70 713 437
Page 1 / 5
VIKING-PH210 · Portable pH / mV MeterTechnical data sheet · Informational document · Controlled electronic document
Manufacturer contact: sales@colo.si · +386 70 713 437
Manufacturer contact: sales@colo.si · +386 70 713 437
VIKING-PH210 · technical specificationCompact portable meter for routine pH, mV and temperature measurement
pH −2.00…18.00mV ±1999Temp. −5…110 °CNIST 1.68 / 4.01 / 7.00 / 10.01Auto-Read / continuous— Simple, reliable pH measurement for everyday field and laboratory work
📋 Product Overview
Application profile
Water quality: drinking water, wastewater, environmental samples and routine water monitoring.
Field and laboratory: compact IP65 meter with silicone protective case for on-site sampling and bench use.
Process and QC checks: pH, mV and temperature checks in production, food and quality control.
Education and training: easy operation for students, training labs and routine practice.
Design and handling advantage
Clear display: 3.5″ LCD with adjustable backlight and Reading / Stable / Locked prompts.
Portable protection: IP65 housing, silicone protective case and wristband for one-hand work.
Simple calibration: 1–3 point calibration with automatic recognition of NIST buffers; manual calibration with custom buffers.
Easy operation: Auto-Read with endpoint hold, auto power-off and factory reset.
Key features
pH: −2.00 to 18.00 pH, 0.01 pH resolution, ±0.01 pH accuracy.
mV: −1999 to 1999 mV, 1 mV resolution, ±0.1 % FS.
Temperature: −5 to 110 °C, ±0.2 °C, ATC / MTC compensation.
Reading modes: Auto-Read and Continuous with automatic endpoint hold.
Memory: 200 results per parameter.
Protection: IP65 housing and rechargeable Li battery.
Core technical summary
| Parameter | Specification |
|---|---|
| Model | VIKING-PH210 |
| SKU | PRO6078 |
| Instrument type | Portable pH / mV meter with temperature |
| Display | 3.5″ LCD, adjustable backlight |
| pH range | −2.00 to 18.00 pH |
| pH accuracy | ±0.01 pH |
| mV range | −1999 to 1999 mV |
| Temperature range | −5 to 110 °C |
| Data memory | 200 results per parameter |
| Protection | IP65 |
pH accuracy±0.01 pH
Calibration1–3 points
Data memory200 results / parameter
ProtectionIP65
Technical values are provided for product selection. The delivered configuration, electrode type and accessory set are confirmed in the official COLO.Science quotation.
Page 2 / 5
📊 Technical Parameters
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| pH range | −2.00 to 18.00 pH | Reading modes | Auto-Read, Continuous |
| pH resolution | 0.01 pH | Reading prompts | Reading, Stable, Locked |
| pH accuracy | ±0.01 pH | Endpoint | Auto-Hold |
| pH calibration | 1–3 points | Display | 3.5″ LCD, adjustable backlight |
| Buffer recognition | Automatic, NIST | Data memory | 200 results per parameter |
| Recognised buffers | 1.68 / 4.01 / 7.00 / 10.01 pH | pH input | BNC (Q9) |
| Custom buffers | Manual calibration | Temperature input | 4-pin aviation connector |
| mV range | −1999 to 1999 mV | Auto power-off | 300 / 600 / 1200 / 1800 / 3600 s or off |
| mV resolution | 1 mV | Reset | Factory default settings |
| mV accuracy | ±0.1 % FS | Power supply | Rechargeable Li battery; adapter 100–240 V AC / 5 V DC |
| Temperature range | −5 to 110 °C / 23 to 230 °F | Protection | IP65 |
| Temperature resolution | 0.1 °C | Dimensions | 80 × 225 × 35 mm |
| Temperature accuracy | ±0.2 °C | Weight | approx. 400 g |
| Temperature compensation | ATC / MTC |
Specification notes
Electrode selection: match the electrode to the sample matrix, pH range and temperature — see page 4.
Calibration: NIST buffers are recognised automatically; other buffers are entered by manual calibration.
Data: results are stored in the meter (200 per parameter); the meter has no PC or printer output.
Page 3 / 5
🧪 Electrodes and Accessories
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
—
Silicone protective case and wristband
Shock-absorbing silicone sleeve and wristband for safe one-hand field use.
Standard delivery
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.
OptionalMore electrodes and accessories
| SKU | Item | Use | Status |
|---|---|---|---|
| PRO6995 | 3-in-1 pH electrode, Premium Longlife | Demanding daily lab use | Optional |
| PRO6996 | 3-in-1 pH electrode for ultrapure water | Ultrapure / low ionic strength water | Optional |
| PRO6997 | 3-in-1 pH electrode, high temperature | Hot samples up to 115 °C | Optional |
| PRO6126 | 3 M KCl electrolyte, 250 mL | Electrode maintenance | Optional |
The standard 3-in-1 electrode E-301-QC (PRO4153) connects to the BNC (Q9) and 4-pin inputs and measures pH and temperature together. BNC electrodes connect directly; S7-head electrodes connect by cable. Special electrodes are selected by sample — ask us for the full electrode range. Standard delivery is confirmed in the quotation.
Page 4 / 5
🖼️ Visuals, Configuration Guidance and Support
Ordering information
| Item | Value |
|---|---|
| Model | VIKING-PH210 |
| SKU | PRO6078 |
| Instrument type | Portable pH / mV / temperature meter |
| Standard electrode | E-301-QC 3-in-1 (PRO4153) |
| Calibration standards | pH 4.01 / 7.00 / 10.01, 50 mL |
| Also included | electrode holder, silicone case, wristband |
| Power | Li battery + 5 V DC adapter |
Configuration checklist
Sample type: water, wastewater, ultrapure water, hot or semi-solid samples.
Electrode: standard, Premium Longlife, ultrapure water, high temperature or special shape.
Calibration: 1, 2 or 3 points with NIST buffers.
Records: 200 results per parameter in the meter; for USB and GLP choose VIKING-PH310F / PH310T.
Use: field, laboratory or both.
Manufacturer and support
COLO Lab Experts
Polje ob Sotli 4, SI-3255, Slovenia
Selection guidance: VIKING-PH210 is the right choice for routine pH work where simple operation, IP65 protection and reliable ±0.01 pH accuracy matter more than data export. COLO.Science helps you choose the electrode and buffers.
Quick contact
COLO.Science · pH meter configuration support
Need help choosing the right electrode or calibration set?
Tell us the sample type, pH and temperature range and how you record results. COLO.Science will confirm the electrode, buffers and VIKING-PH210 configuration for your workflow.
Ask us:
Price and current discount, delivery time, electrode selection for your sample, calibration standards, installation and operator training, spare electrodes and accessories — write to sales@colo.si or call us.
Price and current discount, delivery time, electrode selection for your sample, calibration standards, installation and operator training, spare electrodes and accessories — write to sales@colo.si or call us.
Page 5 / 5