Model

690 Dissolved Oxygen Sensor

Type

Pre-amplifier voltage sensor

Measuring method

Electrochemical

Measuring range (25 °C)

O2 concentration

O2 saturation

0.0 ... 60.0 mg/l

0 ... 600%

Resolution

O2 concentration

O2 saturation

0.1 mg/l

1%

Response time at 25 °C

t90: 180 s

Minimum flow rate

0.05 m/s

Signal output

Analog

Temp. measurement

Integrated NTC, -5 °C ... +50 °C (23 ... 122 °F)

Temp. compensation

0 °C ... +50 °C (32 ... 122 °F)

Maximum pressure

10 bar

Ambient conditions

Operating temperature:

32 ... 122 °F (0 °C ... +50 °C)

Storage temperature:

32 ... 122 °F (0 °C ... +50 °C)

Electrical connections

Integrated PU connection cable with

fitted 7-pole screw connector (IP65)

Input power

Powerd by D.O. transmitter

Translate voltage

protection

Yes

Certifications

CUL, UL

Mechanical

Membrane head assembly, locking cap: POM

Sensor body: 316 Ti stainless steel

Protection rating: IP 68

Dimensions

(length x diameter)

7.83 x 1.57 in. (199 x 40 mm)

SW: 8.90 x 2.34 in. (226 x 59.5 mm)

Weight

(Approx.)

1.46 lb (660 g);

Fixed cable length

7.0 m (23 ft.)