Portable pH/ORP/Conductivity/DO Meter (8 in 1)
Measurement of parameters such as pH, conductivity, TDS, salinity, resistivity, dissolved oxygen and temperature of water solution, the most cost effective portable analytical instrument
Main Features:
1. Multi-parameter meter, equipped with pH electrode, conductivity electrode and dissolved oxygen electrode, automatic identification of electrode by meter.
2. Built-in microprocessor chips, intelligent functions such as automatic calibration, automatic temperature compensation, data storage, function set-up, self-diagnose information, automatic power-off and low voltage display.
3. Automatic identification of 13 pH standard buffer solutions, three options of standard buffer solutions: Europe and America series, NIST series and China series.
4. Able to set pH measurement modes of high purity water and pure water with ammonia.
5. Automatic identification of 8 conductivity standard calibration solutions, two options of standard calibration solutions: Europe and America series and China series.
6. Adopt advanced conductivity measurement technology, use conductivity electrode of constant K=1, only need one point calibration and meet the measurement precision requirement of 0.5μS/cm ~ 200 mS/cm.
7. Ability to switch among conductivity, TDS, salinity and resistivity. Multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale.
8. Conductivity measurement mode has the function of non-linear temperature compensation for high purity water.
9. Measurement mode of Dissolved oxygen has the function of automatic temperature compensation, automatic salinity compensation and manual air pressure compensation.
10. New polarographic type dissolved oxygen electrode can measure temperature, salinity and dissolved oxygen simultaneously, equipped with special dissolved oxygen electode calibration set, polarization only for 3~5 min.
11. Meter meets IP57 waterproof rating, equipped with calibration solution and portable case.
Specifications:
| Category |
Product Name |
Basic features and specifications |
| PH |
Measuring range
|
(-2.00 ~ 19.99)pH |
|
Resolution
|
0.1/0.01 pH |
|
Accuracy
|
Meter:+/-0.01pH; Overall: +/-0.02pH |
|
Input current
|
≤2×10-12 A |
|
Input impendance
|
≥1×1012 Ω |
|
Stability
|
+/-0.01 pH/3h |
| Temp. compensation range |
(0 ~ 100)℃(automatic) |
| ORP |
Measuring range (mV/ORP/EH)
|
-1999mV ~ 0 ~ 1999mV |
|
Resolution
|
1mV |
|
Accuracy
|
Meter:+/-0.1% FS, Overall: +/-15mV |
| Conductivity |
Measuring range |
Conductivity(0.00~19.99)μS/cm (20.0~199.9)μS/cm (200~1999)μS/cm (2.00~19.99)mS/cm (20.0~199.9)mS/cm TDS: (0 ~ 100)g/L Salinity: (0 ~ 100)ppt Resistivity(0 ~ 100)MΩ·cm |
|
Resolution
|
0.01/0.1/1μS/cm 0.01/0.1 mS/cm |
| Accuracy |
Meter:+/-1.0% FS, Overall:+/-1.5% FS |
|
Temp. compensation range
|
(0 ~ 50)℃(manual) |
|
Electrode constant
|
0.1 / 1 / 10 cm-1 |
|
Benchmark temperature
|
25℃、20℃ and 18℃ |
| 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, Overall:+/-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) |
|
Atmospheric pressure compensation range
|
(66 ~ 200)kPa (manual) |
|
Automatic calibration
|
Air saturated by water; water saturated by air |
|
Electrode type
|
Polarogram type |
| Other Technical Parameters |
Data storage
|
200 groups |
| Storage content |
Series number, measuring value measuring unit and temperature, |
|
Power
|
Two AA batteries (1.5V *2) |
|
Size and weight
|
meter:(65×120×31)mm/180g;Suitcase: (360×270×76)mm/1.6Kg |
| Quality and safety certification |
ISO9001:2000, CE and CMC |
| Working Condition |
Environment temperature
|
5 ~ 35 ℃(0.01grade) |
|
Environmental humidity
|
≤85% |
|
IP rating
|
IP57 Dustproof and waterproof |
Package:
1. Model 736 pH/mV/Conductivity/DO meter 1set
2. 201T-S plastic pH/ATC three-in-one combined electrode 1pcs
3. 2301-S plastic conductivity electrode 1pcs
4. DO500 DO electrode 1pc
5. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL) 1btl/each
6. 1413μS/cm conductivity standard solution (50mL) 1bottle
7. DO503 membrane cap (DO electrode use)) 3pc
8. DO502 DO electrode inner solution (30mL) 1bottle
9. Cathode polishing paper 3pcs
10. Screw driver 1pcs
11. Spare AA batteries 2pcs
12. Operation manual 1pcs
13. Carrying case 1unit
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