Hach-Lange 5740 sc User Manual
Page 7

3
Section 1
Specifications
Specifications are subject to change without notice.
Components
Corrosion-resistant materials, fully-immersible probe with 10 m (30 ft) cable
Measuring Range (Dissolved Oxygen) 0 to 40 ppm (0 to 40 mg/L) or 200 % saturation
Measuring Range (Temperature)
– 5 to 50 °C (23–120 °F)
Probe Operating Temperature
– 5 to 50 °C (23–120 °F)
Probe Storage Temperature
– 5 to 70 °C (23–158 °F); 95 % relative humidity, non-condensing
Response Time at 20 °C
120 seconds to 90 % of value upon step change
Measurement Accuracy
± 2 % of span
Temperature Accuracy
± 0.2 °C
Temperature Compensator
30K NTC Thermistor
Repeatability
± 0.5 % of span
Sensitivity
± 0.5 % of span
Calibration
Air/Sample
Maximum Pressure
10 bar (145 psi)
Probe Cable Length
Integral 33 ft (10 m)
Probe Weight
0.26 kg (9.1 oz)
Probe Dimensions
See
Figure 3 Probe Dimensions on page 8
.
Wetted Materials
Noryl, PVC, Viton, Polypropylene, Nylon
Electrode Materials
Nickel-chrome and lead
Minimum Flow Rate
0.5 cm/s (0.016 ft/s)
Measuring Principle
Galvanic