Technical specifications

Measurement technology

Light source

Xenon flash lamp

Detector

High-end miniature spectrometer

256 channels

200 to 360 nm

0.8 nm/pixel

Optical path

OPUS

0.3 mm, 1 mm, 2 mm, 5 mm, 10 mm, 20 mm, 50 mm

OPUS aero

0.3 mm, 1 mm, 2 mm, 5 mm

Parameters

OPUS

See paragraph “Measurement ranges and detection limits OPUS”

OPUS aero

Nitrate NO3-N or nitrate NO3-N + nitrite NO2-N

Measurement range

OPUS

See paragraph “OPUS measuring ranges dep. on the path length”

OPUS aero

See paragraph “OPUS aero measuring ranges”

Measurement accuracy

OPUS

See paragraph “Measurement ranges and detection limits OPUS”

OPUS aero

± (5 % + 0,1)

Turbidity compensation

Yes

Data logger

~ 2 GB

Response time T100

2 min

Measurement interval

≥ 1 min

Table: *with 10 mm path

Housing material

Stainless steel (1.4571/1.4404) or titanium (3.7035)

Dimensions (L x Ø)

470 mm x 48 mm*

~ 18.5" x 1.9"

Weight

VA

~ 3 kg*

~ 6.6 lbs

Ti

~ 2 kg*

~ 4.4 lbs

Interface

digital

Ethernet (TCP/IP)

RS-232 or RS-485 (Modbus RTU)

Power consumption

≤ 8 W

Power supply

12-24 VDC (± 10 %)

Maintenance effort

≤ 0.5 h/month typical

Calibration/
maintenance interval

24 months

System compatibility

Modbus RTU

Warranty period

1 year (EU: 2 years)

Table: * No ice crystals in the sample water

Sample temperature

0...+55 °C*
+2...+40 °C for specified measurement accuracy

~ +32 to +131 °F*
~ +36 to +104 °F

Ambient temperature

0...+55 °C*
+2...+40 °C for specified measurement accuracy

~ +32 to +131 °F*
~ +36 to +104 °F

Storage temperature

-20...+80 °C

~ -4 to +176 °F

Approach velocity

0.1...10 m/s

~ 0.33 t 33 fps

Table: *Not OPUS aero

Max. pressure

with Subconn*

30 bar

~ 435 psi

with fixed cable

3 bar

~ 43.5 psi

in flow unit

1 bar, 2...4 L/min

~ 14.5 psi at 0.5 to 1.0 gpm

Degree of protection

IP68