MP521
Lab pH/Conductivity Meter
Features
Specifications
| pH | Measuring range | （-1.999~ 19.99）pH |
| Resolution | 0.1/0.01/0.001 pH | |
| Accuracy | Meter:±0.01 pH, connect meter with electrode:±0.01pH | |
| Input current | ≤1×10-12 A | |
| Input impendance | ≥3×1012 Ω | |
| Stability | ±0.01 pH/3h | |
| Temp. compensation range | (0 to 100) ℃（automatic or manual） | |
| mV | Measuring range(mV/ORP/EH) | -1999.9mV ~ 0 ~ 1999.9mV |
| Resolution | 0.1mV | |
| Accuracy | ±0.03% FS | |
| Conductivity | Measuring range | Conductivity：（0.00~20.00）μS/cm （20.0~200.0）μS/cm |
| （200~2000）μS/cm （2.00~20.00）mS/cm | ||
| （20.0~200.0）mS/cm | ||
| Resistivity：（0 ~ 100）MΩ·cm | ||
| TDS: （0 ~ 100）g/L | ||
| Salinity： （0 ~ 100）ppt | ||
| Resolution | 0.01/0.1/1μS/cm 0.01/0.1/1 mS/cm | |
| Accuracy | Meter:±1.0% FS,connect meter with electrode:±1.5% FS | |
| Temp. compensation range | （0 ~ 50）℃（automatic ） | |
| Electrode constant | 0.1 / 0.5 / 1 / 5 / 10 / 50 / 100 cm-1 | |
| Reference temperature | 25℃、20℃ and 18℃ | |
| Temperature | Measuring range | -10℃~ 110℃ |
| Resolution | 0.1℃ | |
| Accuracy | 5~ 60℃range：±0.4℃ other range：±0.8℃ | |
|
Other Technical Parameters: |
Data storage | 300 groups |
| Storage content |
Measuring value series number, measuring value, temperature, ATC or MTC state, measuring date and time |
|
| DC9V/300mA | ||
| Power | RS232 | |
| Communication connector | 160 × 190 × 70mm/880g | |
| Size and weight | ISO9001:2008, CE and CMC | |
| Quality and safety certification | ||
| Working Condition | Environment temperature | 5 ~ 35 ℃（0.01grade） 15 ~ 30 ℃（0.001grade） |
| Environmental humidity | ≤75% | |
| IP rating | IP54 Dustproof and waterproof |
Standard Kit Includes
| 1. Model MP521 Lab pH/Conductivity meter | 1set |
| 2. Model 602 flexible electrode holder | 1pc |
| 3. 201T-M plastic pH/ATC three-in-one combination electrode | 1pc |
| 4. 2301-M plastic conductivity electrode | 1pc |
| 5. pH standard buffer solution（pH4.00, pH7.00 and pH10.01/50mL） | 1btl/each |
| 6. 1413μS/cm conductivity standard solution（50mL） | 2btls |
| 7. 9V power adapter（meter use）e | 1pc |
| 8. RS-232 communication cable | 1pc |
| 9. MP521 communication software disk | 1pc |
| 10. Operation manual | 1unit |
| 11. Brief operation instruction | 1unit |
| 12. Packing List | 1pc |
Optional Accessories
| Accessory Categry | Description | Specifications |
|
pH combination electrode |
201-C plastic combination pH electrode |
Suitable for routine pH measurements, widely used, BNC connector。 |
| 200-C plastic combination pH electrode |
Suitable for routine pH measurements, long continuous, high precision, BNC plug. |
|
| 206-C plastic combination pH electrode |
Smaller diameter electrode, suitable for small diameter container in a test, BNC connector |
|
| 201T-M plastic three-in-one combination pH electrode |
Simultaneous measurement of pH and temperature, automatic temperature compensation, BNC + RCA plugs. |
|
| 2501-C glass combination pH electrode | For precise pH test, routine laboratory use, BNC plug. | |
| 2503-C glass combination pH electrode |
For precise pH test, used to measure complex samples, BNC plug. |
|
| 2503D-C glass combination pH electrode |
For low-temperature solution and pure water pH measurement, BNC plug. |
|
| 2503G-C glass combination pH electrode |
Suitable for high temperature solution pH measurements, BNC plug |
|
| 2503S-C glass combination pH electrode | For acid and high-temperature solution pH measurements, BNC plug. | |
| 2015P-C plane combination pH electrode |
For the surface and trace solution pH measurement, BNC plug. |
|
|
Conductivity Electrode |
DJS-0.1-M Pure water conductivity electrode |
K=0.1 cm-1，Automatic temperature compensation, for testing the conductivity of high pure water, 4-pin plug |
| 2401-M Glass conductivity electrode |
K=1.0 cm-1，Automatic temperature compensation, precision laboratory test for conductivity, 4-pin plug. |
|
| 2301-M Plastic conductivity electrode |
K=1.0 cm-1，Automatic temperature compensation for laboratory and field testing, 4-pin plug. |
|
| 2310-M Plastic conductivity electrode |
K=10 cm-1，Automatic temperature compensation, used to test seawater and concentrated salt water, etc., 4-pin plug |
|
| Glass flow cell | Equipped with DJS-0.1-M electrode | |
|
ORP Composite electrode |
301Pt-C Plastice ORP combination electrode |
ORP measurement for conventional, wide range of uses, BNC plug |
| 3501Pt –C Glass ORP combination electrode |
ORP measurement of routine laboratory, test stability, fast response, BNC plug |
|
|
Temperature Electrode |
MP500 Temperature electrode |
Stainless steel housing, fast response, high accuracy, RCA plugs |
| pH Buffer | pH4.00 buffer | 500mL/250mL/50mL（bottle） |
| pH6.86 buffer | 500mL/250mL/50mL（bottle） | |
| pH7.00 buffer | 500mL/250mL/50mL（bottle） | |
| pH9.18 buffer | 500mL/250mL/50mL（bottle） | |
| pH10.01 buffer | 500mL/250mL/50mL（bottle） | |
|
Conductivity Calibration Solution |
84 μS/cm Conductivity Calibration Solution |
500mL/250mL/50mL（bottle） |
|
1413 μS/cmConductivity Calibration Solution |
500mL/250mL/50mL（bottle） | |
|
12.88 mS/cmConductivity Calibration Solution |
500mL/250mL/50mL（bottle） | |
|
146.6 μS/cmConductivity Calibration Solution |
500mL/250mL/50mL（bottle） | |
|
1408 μS/cmConductivity Calibration Solution |
500mL/250mL/50mL（bottle） | |
|
12.85 mS/cmConductivity Calibration Solution |
500mL/250mL/50mL（bottle） | |
| Electrode soaking |
pH（ORP）Combination Electrode Soaking Solution |
500mL/250mL/100mL（bottle） |
|
10-5 mol/L Sodium ion electrode soaking Solution |
Equipped with 7801Sodium electrode . 500mL/250mL/100mL（bottle） |
|
|
ORP standard solution |
222 mV ORP Standard solution | 250mL/100mL/50mL（bottle） |
|
Electrode holder |
Model 602 Flexible Electrode Holder |
Nice appearance of the arc-type bracket, you can turn 360 degrees and vertical lift |
|
Model 601Stirring Type Electrode Holder |
The electrode holder and magnetic stirrer combination of new products. |
|
| Model 600 Electrode Holder | Cheap simple electrode holder |
