VIKING-MPA300 Benchtop Multi-Parameter Analyzer (pH / EC / ISE / DO / Temp.)
General Features
- 7.0″ high-resolution LCD.
- Multi-reading modes: auto-read, timed-read, continuous-read.
- Automatic/Manual temperature compensation (ATC/MTC).
- Auto-hold detects and locks the measurement endpoint.
- GLP: 500 data sets per parameter (pH / ISE / EC / Temp.).
- USB and RS-232 communication; PC software via USB.
- Factory reset to default settings.
- IP54 water-resistant housing.
pH Functions
- 1–5 point calibration with standard recognition.
- Buffer groups: NIST, DIN, GB, USA, GOST.
- Automatic electrode diagnostics (slope & offset display).
Ion (ISE) Functions
- 1–5 point calibration; polyline or linear fitting.
- Units: μg/L, mg/L, g/L, mmol/L, pX, ppm, ppb.
- Direct Reading mode; 10+ built-in methods (F-, Cl-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+, NH3-N) + user methods.
Conductivity Functions
- 1–3 point calibration with standard recognition.
- Settable: cell constant, temp. coefficient, TDS factor.
- Temperature compensation types: none, linear, pure water.
Included
- 3-in-1 pH composite electrode — PRO4153
- Conductivity electrode (k=1, ATC, 2–20000 μS/cm, Φ12×120 mm) — PRO6154
- NIST pH standards 4.01 / 7.00 / 10.01 (50 ml each)
- 1413 μS/cm EC standard (50 ml)
- EHO-5 electrode stand
Technical Specifications
Overview
| Model | MPA300 |
|---|---|
| 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 |
| Standards | NIST, GB, USA, DIN |
| Slope limit | Yes |
mV / pX
| mV range | −2000.0 ~ 2000.0 mV |
|---|---|
| mV resolution | 0.1 mV |
| mV accuracy | ±0.3 mV or ±0.1% |
| pX range | −2.00 ~ 20.00 pX |
| pX resolution | 0.1, 0.01 pX |
| pX accuracy | ±0.01 pX |
| pX calibration | Up to 5 points |
ISE (Ion-Selective)
| 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 | Up to 5 points |
Conductivity / Resistivity / TDS / Salinity
| Conductivity | 0.000 μS/cm ~ 1000 mS/cm |
|---|---|
| Resolution (EC) | min 0.001 μS/cm (varies with range) |
| Accuracy (EC) | ±1.0% FS |
| Reference temperature | 20, 25 °C |
| EC calibration | Up to 3 points |
| Standards | 84 μS/cm, 1413 μS/cm, 12.88 mS/cm |
| Resistivity | 5.00 Ω·cm ~ 20.00 MΩ·cm (min res. 0.01 Ω·cm) |
| TDS | 0.00 ppm ~ 300 ppt (min res. 0.01 mg/L; varies) |
| Salinity | 0.0–80.0 ppt, 0.00–8.00 %NaCl (res. 0.1) |
| Accuracy (Sal.) | ±2 ppt |
Temperature & Measurement
| Temperature range | −5 ~ 110 °C (23 ~ 230 °F) |
|---|---|
| Units | °C, °F |
| Resolution | 0.1 |
| Accuracy | ±0.2 °C |
| Reading modes | Auto (Fast/Medium/Slow), Timed, Continuous |
| Prompts | Reading, Stable, Locked |
| Temp. compensation | ATC, MTC |
Memory & I/O
| 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) |
General
| Backlight | Yes |
|---|---|
| Auto shutdown | 1–60 min, or off |
| IP rating | IP54 |
| Date & 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 |
