VIKING-M300A Benchtop Multi-Parameter Analyzer (pH / EC / ISE / Temp.)
VIKING-M300A is a laboratory multi-parameter analyzer for precise measurement of pH, conductivity (EC), ion-selective electrodes (ISE) and temperature, with GLP-compliant data handling and PC connectivity.
Features
VIKING-M300A – General Features
- 7.0-inch high-resolution LCD display.
- Multi-reading modes: Auto Read, Timed Read, Continuous Read.
- Automatic/Manual temperature compensation for accurate results.
- Auto-Hold detects and locks the measurement endpoint.
- Data storage: 500 data sets per parameter (GLP-compliant).
- Supports USB or RS-232 communication.
- USB communication for PC software supported.
- Reset function restores all settings to factory defaults.
- IP54 water-resistant housing.
pH Parameters
- 1–5 point calibration with standard recognition.
- Selectable buffer groups: NIST, DIN, GB, USA, GOST.
- Automatic electrode diagnostics with slope and offset display.
Ion (ISE) Parameters
- 1–5 point calibration; polyline or linear fitting.
- Units: μg/L, mg/L, g/L, mmol/L, pX, ppm, ppb.
- Direct Reading mode.
- Over 10 built-in methods (F-, Cl-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+, NH3-N) plus user-defined methods.
Conductivity Parameters
- 1–3 point calibration with standard recognition.
- Settable: cell constant, temperature coefficient, TDS factor.
- Temperature compensation types: none, linear, pure water.
Accessories Included
- 3-in-1 pH composite electrode — PRO4153
- EC electrode — PRO6154
- NIST pH standard solutions 4.01 / 7.00 / 10.01 (50 ml each)
- 1413 μS/cm EC standard solution (50 ml)
- EHO-5 electrode stand
Technical Specifications
Model & Parameters
| Model | VIKING-M300A |
|---|---|
| Parameters | pH / EC / ISE / Temp. (mV / pX / Resistivity / TDS / Salinity) |
pH
| Range | −2.00 ~ 20.00 pH |
|---|---|
| Resolution | 0.1, 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | Up to 5 |
| Standard Customization | Yes |
| Standard Recognition | NIST, GB, USA, DIN |
| Slope Limit | Yes |
mV
| Range | −2000.0 ~ 2000.0 mV |
|---|---|
| Resolution | 0.1 mV |
| Accuracy | ±0.3 mV or ±0.1% |
pX
| Range | −2.00 ~ 20.00 pX |
|---|---|
| Resolution | 0.1, 0.01 pX |
| Accuracy | ±0.01 pX |
| Calibration Points | Up to 5 |
ISE
| Range | 1.000e−9 to 9.999e+9 |
|---|---|
| Units | mol/L, mmol/L, g/L, mg/L, μg/L, ppm, ppb |
| Resolution | Up to 4 significant digits |
| Accuracy | ±0.5% |
| Calibration Points | Up to 5 |
Conductivity
| Range | 0.000 μS/cm ~ 1000 mS/cm |
|---|---|
| Resolution | min 0.001 μS/cm (varies with range) |
| Accuracy | ±1.0% FS |
| Reference Temperature | 20, 25 °C |
| Calibration Points | Up to 3 |
| Standard Recognition | 84 μS/cm, 1413 μS/cm, 12.88 mS/cm |
Resistivity
| Range | 5.00 Ω·cm ~ 20.00 MΩ·cm |
|---|---|
| Resolution | min 0.01 Ω·cm |
| Accuracy | ±1.0% FS |
TDS
| Range | 0.00 ppm ~ 300 ppt |
|---|---|
| Resolution | min 0.01 mg/L (varies with range) |
| Accuracy | ±1.0% FS |
Salinity
| Range | 0.0 ~ 80.0 ppt, 0.00 ~ 8.00 %NaCl |
|---|---|
| Resolution | 0.1 ppt, 0.1% |
| Accuracy | ±2 ppt |
Temperature
| Range | −5 ~ 110 °C, 23 ~ 230 °F |
|---|---|
| Units | °C, °F |
| Resolution | 0.1 |
| Accuracy | ±0.2 °C |
Measurement
| Reading Modes | Auto Read (Fast, Medium, Slow), Timed, Continuous |
|---|---|
| Reading Prompts | Reading, Stable, Locked |
| Temperature Compensation | ATC, MTC |
Data Management
| Data Storage | 500 results each |
|---|---|
| GLP Features | Yes |
Inputs & Outputs
| pH Electrode | BNC (Q9) |
|---|---|
| DO with Temp. Probe | 4-pin aviation connector |
| Conductivity with Temp. Probe | 5-pin aviation connector |
| USB | PC |
| RS-232 | Printer |
Display & Power
| Backlight | Yes |
|---|---|
| Auto Shutdown | 1 ~ 60 min, off |
| IP Rating | IP54 |
| Date & Time | Yes |
General
| Power | AC adapter, 100 ~ 240 V AC input, 20 V DC output |
|---|---|
| Dimensions | 242 × 195 × 68 mm |
| Net Weight | 900 g (1.98 lb) |
| Carton (Dimensions) | 370 × 305 × 330 mm |
| Shipping Weight | 3.5 kg |
