pH/mV/ISE/Conductivity/DO Meter
pH/mV/ISE/Conductivity/DO Meter
Model: ELE-551
Features
1. 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.
2. There are three different measurement modes: stable display mode; time measurement mode; continuous measurement mode.
3. 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.
4. High purified water and ammonia added purified water pH measuring mode can be set up, especially suitable for electric power and petrochemical industry
5. With EH redox potential measuring mode can directly display ORP value which against standard potential of hydrogen electrode.
6. Automatically recognize 8 kinds of conductivity standard solution. User can choose anyone from two series of solutions: Europe & USA series and China series.
7. Adopt advanced and original conductivity measurement technology, use 1 pc of conductivity electrode (K=1), it can meet measuring accuracy requirement for range within 0.5μS/cm ~ 200mS/cm by using only one-point calibration.
8. Automatically select conductivity measurement range, when measuring high pure water, equipment automatically enter into temperature compensation of nonlinear model, especially for electricity, microelectronics and the pharmaceutical industry requirements.
9. 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.
10. 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.
11. There are 10 kinds of common ions can be selected in the ion concentration measuring mode, user also can self-define other ions.
12. Can switch 4 kinds of concentration unit: pX, mol/L, mg/L and ppm
13. Meter has the only product serial number.
14. 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 impendance 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 |
Ion Concentration | Measuring range Display unit Accuracy Temp. compensation range | 0.00 ~ 14.00 pX pX, mol/L, mg/L, ppm Meter: ±0.5 % reading(monovalent), ±1.0 % reading (bivalent) 0 to 60 °C (automatic or manual) |
Conductivity | Measuring range
Resolution Accuracy Temp. compensation range Electrode constant Reference temperature | 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 (200~2000) mS/cm(K=10) Resistivity:(0 ~ 100) MΩ·cm TDS: (0 ~ 100) g/L Salinity: (0 ~ 100) ppt 0.01/0.1/1μS/cm 0.01/0.1/1 mS/cm Meter: ±0.5% FS, connect meter with electrode: ±0.80% FS (0 ~ 50) °C (automatic) 0.1 / 0.5 / 1 / 5 / 10 / 50 / 100 cm-1 25°C, 20°C and 18°C |
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 | 300 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 kit includes
1. Model ELE-551 pH/mV/ISE/Cond/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. 2401T-M conductivity electrode | 1pc |
8. DO500 DO electrode | 1pc |
9. Model 6213 double salt bridge reference electrode | 1pc |
10. pH standard buffer solution (pH4.00, pH6.86, pH9.18/50ml) | 1btl/each |
11. 1413μS/cm conductivity standard solution (50 mL) | 2btls |
12. 9V power adapter (meter use) | 1pc |
13. 6V power adapter (stirrer use) | 1pc |
14. ELE-503 membrane cap (DO electrode use) | 3pc |
15. ELE-502 DO electrode inner solution (30 mL) | 1btl |
16. Cathode polishing paper | 2pcs |
17. B628 stirring bead | 3pcs |
18. AA battery | 4units |
19. RS-232 communication cable | 1pc |
20. ELE-551 communication software disk | 1pc |
21. Operation manual | 1unit |
22. Brief operation instruction | 1unit |
23. Packing List | 1pc |
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