SX716 Portable DO Meter

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The Apera Instruments SX716 Portable Dissolved Oxygen Meter is an outstanding combination of the advanced electronics and sensor technologies. The meter can measure the parameters of DO and temperature of water solution with high accuracy. It is the most economical choice of a high-quality portable DO meter with a polarographic electrode. It is suitable for applications in the mining industry, power plant, environmental monitoring, and etc., especially good for in-field use.

With its built-in microprocessor chip, elegant design, multi-functions, and user-friendliness, this meter has the following features:
  • Built-in microprocessor chip, with the intelligent functions of automatic calibration, automatic temperature compensation, data storage, function setting, auto power off, and low voltage display etc. It comes with calibration solutions and a rugged portable carrying case.
  • Adopts digital filter and step slipping technology to intelligently improve meter’s response speed and accuracy. Smile icon will appear when reading is stable.
  • Equipped with a polarographic DO electrode (2m cable) with built-in temperature and salinity sensors, which allows DO measuring mode to have auto temperature and auto salinity compensation and manual Barometric pressure compensation. It’s easy to use and accurate to measure.
  • The Polarographic DO electrode has a special electrode calibration cap. The electrode polarization only takes 3-5 minutes. Electrode adopts a combo-style membrane cap, which is very convenient to use. Each DO electrode comes with three backup membrane caps.
  • Meter’s circuit board adopts SMT film-covering technology to improve meter’s performance reliability.
  • Meter’s LCD has clear and bright backlit display.
  • IP57 waterproof and dust-proof.

Technical Specifications:
Measuring Range(0 to 19.99) mg/L (ppm),(0 to 200.0) %
Resolution0.1/0.01 mg/L (ppm),1/0.1%
AccuracyMeter: ±0.10 mg/L,
connect meter with electrode: ±0.40 mg/L
Response Time≤30s (25˚C, 90% response)
Residual Current≤0.1 mg/L
Temp. Compensation Range(0 to 45)˚C (automatic)
Salinity Compensation Range(0 to 45) ppt (automatic)
Barometric Pressure(66 to 200) kPa
Automatic CalibrationAir saturated by water; water saturated by air
Electrode TypePolarographic
Electrode Cable Length2m (76 inches)

Other Technical Parameters:
Data Storage100 groups
Stored ContentSerial number,
measuring value, measuring unit, and temperature
Power SupplyTwo AA batteries
(1.5V x2)
Dimensions and weightMeter: (65×120×31) mm/180g,Carrying case: (255 x 210x 50) mm/790g
Quality and safety certificationCE and CMC
Environment Temperature5 to 35˚C (0.01 grade)
Environmental Humidity≤85%
IP RatingIP57 Dust-proof and waterproof

SX716 manual (SX716_DO_meter_-v2.pdf, 1,035 Kb) [Download]

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