MP525
pH/DO Meter
Introduction
Specification
| pH | Measuring range | （-1.999 ~ 19.999）pH |
| Resolution | 0.1/0.01/0.001 pH | |
| Accuracy |
Meter:±0.002 pH, connect meter with electrode:±0.01pH |
|
| Input current | ≤1×10-12 A | |
| Input impendance | ≥3×1012 Ω | |
| Stability | ±0.002 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 | |
| Dissolved Oxygen | Measuring range | （0 ~ 40.00）mg/L(ppm) （0 ~ 200.0）% |
| Resolution | 0.1/0.01 mg/L(ppm) 1/0.1 % | |
| Accuracy |
Meter：±0.10 mg/L，connect meter with electrode：±0.40 mg/L |
|
| Response time | ≤30 s（25℃, 90% response） | |
| Residual current | ≤0.1 mg/L | |
| Temp. compensation range | （0 ~ 45）℃（automatic） | |
| Salinity compensation range | （0 ~ 45）ppt（automatic） | |
| Air pressure compensation | （80 ~ 105）kPa（automatic） | |
| Automatic calibration |
Air saturated by water; water saturated by air |
|
| Electrode type | Polarogram type | |
| 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 MP525 pH/ DO meter | 1set |
| 2. Model 602 flexible electrode holder | 1pc |
| 3. Model 901 intelligent stirrer | 1set |
| 4. 201T-M plastic pH/ATC three-in-one combination electrode | 1pc |
| 5.2503-C glass pH combination electrode | 1pc |
| 6. MP500 temperature electrode | 1pc |
| 7. DO500 DO electrode | 1pc |
| 8. pH standard buffer solution（pH4.00, pH7.00 and pH10.01/50mL） | 1btl/each |
| 9. 9V power adapter（meter use）e | 1pc |
| 10. 6V power adapter（stirrer use） | 1pc |
| 11. DO503 membrane cap（DO electrode use） | 3pc |
| 12. DO502 DO electrode inner solution（30mL） | 1btl |
| 13. Cathode polishing paper | 2pc |
| 14. B628 stirring bead | 3pc |
| 15.AA battery | 2pc |
| 16. RS-232 communication cable | 1pc |
| 17. MP525 communication software disk | 1pc |
| 18. Operation manual | 1unit |
| 19. Brief operation instruction | 1unit |
| 20. 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. |
|
| DO Electrode | DO500 DO electrode |
Polarographic-type DO electrode，For laboratory and field using, 8-pin plug |
| DO Electrode attachment | DO503 DO electrode membrane cap |
Combined membrane cap， Dedicated to the DO500 DO electrode, size: 3 / group |
| DO502 DO electrode electrolyte |
Added electrolyte, dedicated to the DO500 DO electrode, specifications: 30mL/bottle |
|
| DO501 Cathode polishing paper |
Polishing paper, dedicated to clean DO500 DO electrode cathode, Size: 2 / group. |
|
| 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） | |
| 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 |
