Suited for aquaculture, water source monitoring, sewage treatment and environmental protection monitoring, etc, especially suited in field and on-site.
 
● 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）%
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 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
 
Accessory Category
Description
Specifications
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.
Portable case
Small portable case（255×210×50）mm
Match single electrode.
Big portable case（360×270×76）mm
Match multi- electrode