● double-parameter meter, equipped with conductivity electrode and dissolved oxygen electrode, automatic identification of electrode by meter. |
●built-in microprocessor chips, intelligent functions such as automatic calibration, automatic temperature compensation, data storage, function set-up, automatic power-off and low voltage display. |
● automatic identification of 8 conductivity standard calibration solutions, two options of standard calibration solutions: europe and america series and china series. |
● 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. |
● ability to switch among conductivity, tds, salinity and resistivity. multinomial calculation for tds and salinity to ensure the conversion precision of the full scale. |
● conductivity measurement mode has the function of non-linear temperature compensation for high purity water. |
● measurement mode of dissolved oxygen has the function of automatic temperature compensation, automatic salinity compensation and manual air pressure compensation. |
● 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. |
● meter meets ip57 rating, equipped with calibration solution and portable case. |
category | product name | basic features and specifications |
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 x2) | |
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 |
1. model sx726 conductivity/do meter | 1set |
2. 2301-s plastic conductivity electrode | 1pcs |
3. do500 do electrode | 1pcs |
4. 1413μs/cm conductivity standard solution (50ml) | 1btl |
5. do503 membrane cap (do electrode use) | 3个 |
6. do502 do electrode inner solution (30ml) | 1pcs |
7. cathode polishing paper | 1pcs |
8. screw driver | 1pcs |
9. spare aa batteries | 2pcs |
10. operation manual | 1pcs |
11. carrying case | 1unit |
accessory category |
description |
specifications |
conductivity electrode |
2301-s plastic conductivity electrode |
k=1.0 cm-1,atc, suited for conductivity measurement of general water solution, 8 pin connector. |
djs-0.1-s glass conductivity electrode |
k=0.1cm-1,atc, suited for ph measurement of of high purity water, 8 pin connector. | |
glass flow cell |
match djs-0.1-s electrode. | |
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. | |
conductivity standard |
84 μs/cm conductivity standard |
500ml/250ml/50ml(bottle) |
1413 μs/cm conductivity standard |
500ml/250ml/50ml(bottle) | |
12.88 ms/cm conductivity standard |
500ml/250ml/50ml(bottle) | |
146.6 μs/cm conductivity standard |
500ml/250ml/50ml(bottle) | |
1408 μs/cm conductivity standard |
500ml/250ml/50ml(bottle) | |
12.85 ms/cm conductivity standard |
500ml/250ml/50ml(bottle) | |
portable case |
small portable case(255×210×50)mm |
match single electrode. |
big portable case(360×270×76)mm |
match multi- electrode |