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SX716 DO Meter




Product Introduction


● 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.
● Built-in microprocessor chips, intelligent functions such as automatic calibration, data storage, function set-up, automatic power-off and low voltage display.
● Combined diaphragm cap, replaceable sensitive membrane, screw new diaphragm cap to electrode, easy to use.
● Meter meets IP57 waterproof rating, equipped with portable case.



Category Product Name Basic features and specifications
Dissolved Oxygen

Measuring range

(0 ~ 20.00)mg/L(ppm) (0 ~ 200.0)%


0.1/0.01 mg/L(ppm) 1/0.1 %


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,


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


IP rating

IP57 Dustproof and waterproof


Standard Kit Includes


1. Model SX716 DO meter 1unit
2. DO500 DO electrode 1pc
3. DO503 membrane cap (DO electrode use) 3pc
4. DO502 DO electrode inner solution (30mL) 1bottle
5. Cathode polishing paper 2pc
6.Screw driver 1pc
7. Spare AA batteries 2pcs
8. Operation manual 1pc
9. Carrying case 1unit
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