SX825
portable pH&DO meter
Introduction
Specification
| pH | Range | （-2.00 ~ 19.99）pH |
| Resolution | 0.01/0.1 pH | |
| Accuracy | ±0.01 pH ±1digit | |
| Input current | ≤1×10-12 A | |
| Input impedence | ≥1×1012 Ω | |
| Stability | ±0.01 pH/3h ±1 digit | |
| Temperature compensation | （0 ~ 100）°C（manual or automatic） | |
| mV | Range | -1,999mV ~ 0 ~ 1,999mV |
| Resolution |
- 200 mV ~ 0 ~ 200 mV: 0.1 mV； others:1mV |
|
| Accuracy | ±0.1% FS ±1digit | |
| Dissolved Oxygen | Range | （0 ~ 20.00）mg/L(ppm) （0 ~ 200.0）% |
| Resolution | 0.01/0.1 mg/L(ppm) 0.1/1 % | |
| Indicating value accuracy | ±0.30 mg/L | |
| Response time | ≤30 s（25℃, response at 90%） | |
| Zero accuracy | ≤ 0.10 mg/L | |
| Temperature compensation | （0 ~ 45）℃（automatic） | |
| Salinity compensation | （0 ~ 45）ppt（automatic） | |
| Barometric pressure compensation | （66.0 ~ 199.9）kPa（manual） | |
| Electrode type | Polarographic | |
| Temperature | Range | 0~100°C |
| Resolution | 0.1℃ | |
| Accuracy | ±0.5℃±1digit | |
|
Other Technical Parameters |
Data storage | 1000 groups |
| Storage content |
Serial number, date, time, measuring value, measuring unit and temperature value |
|
| Power |
AAA batteries × 3 (1.5V× 3) / DC5V adaptor ( USB port) |
|
| Dimension & Weight |
Meter: (88×170×33 )mm / 313g； Portable case：(480×360×95)mm/3.2kg |
|
| IP rating | IP57 dustproof and waterproof |
Standard Kit Includes
| 1. SX825 portable pH/DO meter | 1unit |
| 2. 201T-Q plastic three-in-on pH electrode | 1pc |
| 3. DO500 DO electrode | 1pc |
| 4. pH standard buffer solution (4.00/7.00/10.01pH/50mL) | 1 bottle each |
| 5. DO501 DO inner solution (30mL) | 1pc |
| 6. DO502 cathode polishing paper | 2pcs |
| 7. DO503 DO electrode membrane cap | 3pcs |
| 8. PC-Link communication software disk | 1disk |
| 9. USB communication cable | 1pc |
| 10. USB adaptor (DC 5V) | 1pc |
| 11.Combined electrode clip | 1pc |
| 12. Manual | 1book |
| 13. Big portable case | 1pc |
Optional Accessories
| Accessory Category | Description | Specifications |
| pH combination electrode |
2501-C glass pH combination electrode |
Suited for general water such as surface water, tap water, waste water and seawater, etc. BNC connector. |
|
2503-C glass pH combination electrode |
Suited for turbid or colloidal solution such as milk, jam, water paint, cosmetics, waste water and sludge, etc. BNC connector. |
|
|
2503D-C glass pH combination electrode |
Suited for solution with low ionic strength and high purity water, BNC connector. |
|
|
2015P-C surface pH combination electrode |
Suited for medium with moist surface such as skin, paper, cloth, fruit, meat, colloidal solution and micro-solution, BNC connector. |
|
| ORP combination electrode |
301Pt-C ORP combination electrode |
Test ORP, BNC connector. |
| DO electrode | DO500 DO electrode |
Polargrafic DO electrode, suited for application in lab and field, 8 pin connector. |
| DO electrode accessory |
DO503 DO electrode membrane cap |
Combined membrane cap, special for DO500 DO electrode, specification: 3 units per group. |
|
DO502 DO electrode electrolyte |
Supplement electrolyte, special for DO500 DO electrode, specification: 30mL/bottle. |
|
|
DO501 negative electrode polishing paper |
Polishing paper，special for cleaning negative electrode of DO500 DO electrode, specification:2 pcs/group. |
|
| Temperature electrode |
MP500-Q temperature sensor |
Use with pH combination electrode, 4 pin connector. |
| pH buffer | pH4.00 buffer | 500mL/250mL/50mL（bottle） |
| pH6.86 buffer | 500mL/250mL/50mL（bottle） | |
| pH9.18 buffer | 500mL/250mL/50mL（bottle） | |
| pH7.00 buffer | 500mL/250mL/50mL（bottle） | |
| pH10.01buffer | 500mL/250mL/50mL（bottle） | |
| Electrode soaking solution |
combination electrode soaking solution |
500mL/250mL/50mL（bottle） |
| ORP standard solution | 222 mV ORP standard solution | 250mL/100mL/50mL（bottle） |
| Portable case | Big portable case（480×360×95）mm | Match SX816, SX823, SX825, SX836 |
