| Accuracy | Measurement: ± 2 % of span |
| Accuracy 2 | Temperature: ± 0.2 °C |
| Cable Length 2 | 10 m (integral) (33 ft.) terminated with quick-disconnect plug |
| Electrode Material | Nickel-chrome cathode, lead anode |
| Flow | 0.5 cm/s (0.016 ft./s), minimum |
| Length | Length |
| Operating Temperature Range | -5 to 50 °C |
| Range | 0.00 to 40.00 ppm (0 to 40 mg/L) or 200% saturation |
| Repeatability | ± 0.5 % of span |
| Resolution | Above 10 ppm: ± 0.1 ppm or mg/L, ±0.1% saturation Below 10 ppm: ±0.01 ppm or mg/L, ±0.1% saturation |
| Response Time – 20 °C | To 90 % in 120 seconds |
| Sensitivity | Sensitivity |
| Special Notes | of span |
| Thickness Membrane | 40 µm |
| Transmission Distance | 1000 m (3280 ft.) maximum when used with a termination box 100 m (328 ft.) maximum |
| Warranty | 12 months |
| Weight | 1.32 lbs. (0.6 kg) |
| Wetted Materials | Noryl® body, PVC mounting adapter, Viton® O-rings, polypropylene membrane, Noryl® and Ryton® cartridge assembly, and nylon cable grip/strain relief |
HACH – 5740 sc Galvanic Membrane Dissolved Oxygen Sensor
5740 sc Galvanic DO Sensor: Each sensor includes a replaceable cartridge (with factory-installed, semi-permeable membrane), protector, 12 disposable calibration bags for highly accurate “Saturation Method” air calibration and integral 10 m (32.8 ft) cable.
