Optex DOS-20 - 15 Specifications

52
15
Specifications
Name Optical Dissolved Oxygen Sensor
Model DOS-20
Measurement
item
Dissolved oxygen concentration (mg/L)
Temperature (
°
C)
Dissolved oxygen % saturation (%)
Oxygen partial pressure (kPa)
Measurement
range
(Display
resolution)
Dissolved oxygen concentration: 0.00 - 50.00 mg/L (0.01 mg/L)
Temperature: 0.0 - 50.0
°
C (0.1
°
C)
Dissolved oxygen % saturation: 0.0 - 200.0 (0.1 %)
Oxygen partial pressure: 0.0 - 150.0 kPa (0.1 kPa)
Measurement
resolution
±0.1 mg/L (0 - 8 mg/L)
±0.2 mg/L (8 - 20 mg/L)
±10% of reading (20 - 50 mg/L)
Response time 90% response: < 45 seconds
95% response: < 60 seconds (measurement water
temperature: 25
°
C)
Power supply
voltage
12 to 36 VDC
Current
consumption
25 mA max. (24 VDC)
Communica-
tions (function)
MODBUS (RTU/ASCII)
Operating
temperature
0 to 50
°
C (unfrozen)
Major
material
ABS
Dimensions ø48 × 204 mm
Weight Approx. 850 g (including cable length of 10 m)
Degree of
protection
IP68, maximum depth of 200 meters (underwater type)