| Measuring object |
Dissolved oxygen |
| Principle |
Membrane Polarography |
| Measurement range |
0 to 20 µg/L, 0 to 200 µg/L, 0 to 2 mg/L, 0 to 20 mg/L |
| Response time |
30 s/ 90 % (at 20 °C or more) |
| Repeatability |
±1 % of full scale |
| Temperature compensation |
5 to 50 °C |
| Sample conditions |
Temperature |
2 to 50 °C |
| Pressure |
0.02 to 0.2 Mpa |
| Flow rate |
0.2 to 0.4 L/min. |
| Output |
Analog output
(concentration) |
4 to 20 mA DC or 0 to 16 mA DC, isolated output load: 500 Ω max. |
Contact output
(alarm) |
Contact A output, contact capacity: 24 V DC, 0.1 A |
| Serial output |
RS-232C output only |
| Calibration |
Zero |
Electrical calibration or calibration with zero solution |
| Span |
Air (by placing a sensor in the air) |
| Ambient condition |
Temperature : 0 to 45 °C, Humidity : 85 % max. |
| Power |
100 to 240 V AC (±10%), 50/60 Hz |
| Power consumption |
Approx. 50 VA (at 100 VAC) |
| Dimension |
296 (W) X 110 (H) X 258 (D) mm (operation unit only) |
| Mass |
Approx. 3.4 kg (operation unit only) |
Length of extension cable between
operation unit and sensor unit |
5 m (standard), 10 m (option) |
