Protection class |
IP65 / IP67 |
Accuracy (Oxygen) |
±1.5 % of measurem. Value ± 0,2 mg/l or ±1.5 % of meas. val. ± 2 % O2 saturation |
Accuracy (Temperature) |
±0.3 °C |
Power supply |
2 x AA Alkaline batteries (included) |
Power consumption |
<1 mA |
Weight |
approx. 240 g (including sensor) |
Housing material |
Impact resistant ABS, polyester front panel |
Measuring range (O2 concentration) |
0.0..20.0 mg/l (or ppm) |
Connections |
Galvanic sensor (active membrane type), KOH electrolyte, 2 m or 4 m cable, permanently connected to the device, with integrated temperature sensor |
Operating conditions |
-20.. +50 °C, 0..95 % r.H. |
Storage temperature |
-10 ... +60 °C (without batteries) |
Display |
3-line with battery status indicator, Backlight, protected by shatterproof screen, overhead display at keypress |
Dimensions |
108 x 54 x 28 mm (instrument without sensor) (H x W x D) |
Additional functions |
Stability recognition, automatic adjustment to environmental air |
Accuracy (nominal temperature) |
For oxygen: ± 1.5 % of value ±0.2 mg / l or ±1.5 % of value, ±2 % O2 saturation |
Automatic Power-Off |
Yes, configurable by the user |
Battery life |
> 3000 h typ. continuous operation (without backlight) |
Housing |
Impact resistant ABS, Polyester (front panel) |
Operating conditions instrument |
0 ... 40 °C; 0 ... 95 % r.h. (short-term condensation possible) |
Operating conditions sensor |
max. 3 bar (ca. 30 m water depth), 0 ... 40 °C (recommended 5 ... 30 °C) |
Resolution |
0..200 % O2 saturation |
Activation time T95 |
10 s at nominal temperature |
Sensor operating pressure |
max. 3 bar (ca. 30 m water depth) |
Sensor range of application |
0...60 °C |
min. flow |
30 cm/s (in standing water by stirring or moving the sensor up and down) |
Compensation |
Temperature : automatically with integrated temperature measurement, Air pressure : Compensation possible with manual input (normally not necessary), Salinity : with manual entry |
Application area |
Freshwater and seawater aquariums, aquaculture / fish farming, monitoring of wells and bodies of water |
Measuring range (O2 saturation) |
0 to 200 % |
Response time (T95) |
10 s at nominal temperature |
Sensors / measuring inputs |
Galvanic sensor (active membrane type), electrolyte KOH Cable 2 m or 4 m, permanently connected to device, with integrated temperature sensor |