Technical specifications

Measurement principle

Luminescence

Parameters

Dissolved oxygen

Measurement range

0...20 mg/L

0...20 ppm

0...200 %

Measuring accuracy

± 0.1 mg/L

± 0.1 ppm

± 1 %

Resolution

0,01

Response time

90 % of the value in less than 60 seconds

Measurement interval

> 5 s

Inflow velocity

No movement necessary

Temperature compensation

Via NTC (compensation active for temperatures below 0 °C)

Measurement range (temperature)

0...+50 °C

Resolution (temperature)

0,01 °C

Accuracy (temperature)

0,5 °C

Membrane cap

No cross sensitivity with: pH 1...14;CO2, H2S, SO2

Cross sensitivity with organic solvents such as acetone, toluene, chloroform dichloromethane (methylene chloride) or chlorine gas

Material

Standard version

Housing, cap and screws made of passivated stainless steel (316L)

Seawater applications

Housing, cap and screws made of titanium

Cable

Polyurethane sheathing

Cable gland

Polyamide
Patch with active substance (black)

Membrane

Silicone for optical insulation

Dimensions (L x Ø)

~146 mm x 25 mm

~ 5.7˝ x 1˝

Weight

VA

~ 450 g

~ 1 lbs

Ti

~ 300 g

~ 0.7 lbs

Interface

RS-485 (Modbus RTU)

Power consumption

1 W

Power supply

12 V (± 10 %)

Sensor cable

2 m and 10 m

Calibration/maintenance interval

2 years

Warranty

1 year (EU & US: 2 years) on electrons; wearing parts are excluded from the warranty

Installation

Max. Pressure

5 bar

~ 72.5 psi

Degree of protection

IP 68

Sample temperature

0...+50 °C

~ +32... +122 °F

Ambient temperature

0...+50 °C

~ +32... +122 °F

Storage temperature

-10...+60 °C

~ +14... +140 °F