pH/DO Meter
pH/DO Meter
ELE-525
Introduction:
Meter meets with the requirement of international GLP standards. Its features up to automatic calibration, automatic temperature compensation, data storage, timing measurement, clock display, RS-232 output, function setting and self-diagnose etc.
There are three different measurement modes: stable display mode; time measurement mode; continuous measurement mode.
Automatically recognize 13 kinds of pH buffer solution. User can choose anyone from four series of standard buffer solutions: Europe & USA series, NIST series, CHINA series and Self-defined series.
High purified water and ammonia added purified water pH measuring mode can be set up, especially suitable for electric power and petrochemical industry
With EH redox potential measuring mode can directly display ORP value which against standard potential of hydrogen electrode.
Equips new type of DO electrode which has function of automatic temperature compensation and automatic salinity compensation as well as automatic air pressure compensation inside meter to make DO measuring mode has temperature, air pressure and salinity automatic compensation, easy to use, accurate to measure.
Polarogram type DO electrode has special electrode calibration cap. Only needs 3 to 5 minutes for electrode polarization. Electrode adopts combination diaphragm cap which very convenient to use. Each DO electrode equips with three spare diaphragms caps.
Meter has the only product serial number.
Dustproof and waterproof meter meets IP54 standards. All sockets are seal protected by the silica gel caps.
Specifications:
pH | Measuring range Resolution Accuracy Input current Input impendence Stability Temp. compensation range | (-1.999 ~ 19.999) pH 0.1/0.01/0.001 pH Meter: ±0.002 pH, connect meter with electrode: ±0.01pH ≤1×10-12 A ≥3×1012 Ω ±0.002 pH/3h (0 to 100) °C (automatic or manual) |
mV | Measuring range(mV/ORP/EH) Resolution Accuracy | -1999.9mV ~ 0 ~ 1999.9mV 0.1mV ±0.03% FS |
Dissolved Oxygen | Measuring range Resolution Accuracy Response time Residual current Temp. compensation range Salinity compensation range Air pressure compensation Automatic calibration Electrode type | (0 ~ 40.00) mg/L(ppm) (0 ~ 200.0) % 0.1/0.01 mg/L(ppm) 1/0.1 % Meter:±0.10 mg/L，connect meter with electrode:±0.40 mg/L ≤30 s (25°C, 90% response) ≤0.1 mg/L (0 ~ 45) °C(automatic) (0 ~ 45) ppt(automatic) (80 ~ 105) kPa(automatic) Air saturated by water; water saturated by air Polarogram type |
Temperature | Measuring range Resolution Accuracy | -10°C~ 110°C 0.1°C 5~ 60°C range: ±0.4°C? other range: ±0.8°C |
Other Technical Parameters: | Data storage Storage content
Power Communication connector Size and weight Quality and safety certification | 900 groups Measuring value series number, measuring value, temperature, ATC or MTC state, measuring date and time DC9V/300mA RS232 160 × 190 × 70mm/880g ISO9001:2008, CE and CMC |
Working Condition | Environment temperature Environmental humidity IP rating | 5 ~ 35 °C(0.01grade) 15 ~ 30 °C(0.001grade) ≤75% IP54 Dustproof and waterproof |
Standard kits:
1. Model ELE-525 pH/ DO meter | 1set |
2. Model ELE-602 flexible electrode holder | 1pc |
3. Model ELE-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. ELE-525 communication software disk | 1pc |
18. Operation manual | 1unit |
19. Brief operation instruction | 1unit |
20. Packing List | 1pc |
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