Technical specifications

Measurement technology

Light source

LED + filter

Detector

Photodiode + filter

Measuring principle

Fluorescence

Parameters

Chlorophyll a [μg/L]
or Phycocyanin [μg/L]
or CDOM [μg/L]
or Rhodamine [μg/L]
or Fluorescein [μg/L]
or Tryptophan [μg/L]
or BTX [μg/L]

Measuring range

see table

Detection limit

see table

Measurement accuracy

± (5 % + detection limit)
Variant BT: ± (10 % + detection limit)

Temperature compensation

No

Turbidity compensation

No

Data logger

No

Response time (T90)

6 s (default)

Smallest measuring interval

3 s (default)

Cross sensitivities

All microFlu V2: turbidity
microFlu V2 TRP: dissolved oil, PAH, DOM

Interface

digital

RS-485, Modbus RTU

analog

4 .. 20 mA (default), max. load: 500 Ohm

alternative: 0 - 5 V, min. load 1 kOhm

alternative: 0 - 10 V, min. load 1 kOhm

Power consumption

typical

max. 0.6 W

with activated analog
interface

max. 1.1 W

Power-down

max. 70 mW

Power supply

12 - 24 VDC (± 10 %)

Connection

SubConn 8pin or fixed cable with M12 connection

Housing material

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

Dimensions (L x Ø)

~162 mm x 48 mm

~ 6.4'' x 1.9''

Weight

VA

~ 650 g

~ 1.4 lbs

Ti

~ 510 g

~ 1.1 lbs

System compatibility

TriBox3, TriBox mini, Modbus RTU

Max.
Pressure

with Subconn

30 bar

~ 435 psi

with fixed cable

3 bar

~ 43.5 psi

in FlowCell

1 bar, 2...4 L/min

~ 14.5 psi, 0.5 to 1 gpm

Degree of protection

IP68

NEMA6P

Sample temperature

+2...+40 °C in situ
+2...+40 °C FlowCell

~ +36 to +104 °F in situ
~ +36 to +104 °F FlowCell

Ambient temperature

+2...+40 °C

~ +36 to +104 °F

Storage temperature

-20...+80 °C

~ -4 to +176 °F

Relative humidity

0...95 %, non-condensing

Transportation conditions

see storage temperature

Inflow velocity

0.1...10 m/s

~ 0.33 to 33 fps

Maintenance effort

≤ 0.5 h/month typical

Calibration/
maintenance interval

24 months

Warranty

1 year (EU & USA 2 years)