Technical specifications

Measurement technology

Measurement technology

Light source: flash lamp + filter

Detector: photodiode + filter

Parameters HC

254 nm

360 nm

Parameter BT

254 nm

305 nm

Measuring principle

Fluorescence

Measuring range / parameters

sensor

Parameters

Measuring range

Detection limit

enviroFlu HC 500

PAH

0-50 μg/L,

0-500 μg/L

0.3 μg/L*

Oil in water

0-1.5 mg/L,

0-15 mg/L typ.

9 μg/L**

enviroFlu HC 5000

PAH

0-500 μg/L,

0-5 000 μg/L

0.5 μg/L*

Oil in water

0-15 mg/L,

0-150 mg/L typ.

15 μg/L**

enviroFlu BT

BTX

0-1 000 μg/L,

0-10 000 μg/L

20 μg/L*

*related to the high degree of amplification
**dependent on the type of oil

Accuracy of measured value

± (5 % + detection limit)

Resolution

sensor

Measuring range

Measuring range Resolution

enviroFlu HC 500

0-50 μg/L

0-500 μg/

0.0122 μg/L

0.122 μg/L

enviroFlu HC 5000

0-500 μg/L

0-5 000 μg/L

0.122 μg/L

1.22 μg/L

enviroFlu BT

0-1 000 μg/L

0-10 000 μg/L

0.244 μg/L

2.44 μg/L

Sensitivity

sensor

Measuring range

Sensitivity

enviroFlu HC 500

0-50 μg/L

0-500 μg/

0.2 μg/L

0.2 μg/L

enviroFlu HC 5000

0-500 μg/L

0-5 000 μg/L

0.2 μg/L

1 μg/L

enviroFlu BT

0-1 000 μg/L

0-10 000 μg/L

TBD

TBD

Response time (T90 / T100)

≤ 10 s

Temperature compensation

No

Turbidity compensation

No (only possible via TTurb on the TriBox3)

Data logger

No

Measuring interval

≥ 5 s

Cross sensitivities

Turbidity, DOM

Interface

enviroFlu HC
enviroFlu BT

Digital: RS-232 (TriOS protocol)
Analog: 4 .. 20 mA, 0 – 5 V

enviroFlu HC MB
enviroFlu BT MB

Digital: RS-485 (Modbus RTU)
Analog: not available

Power supply

12 – 24 VDC (± 10 %)

Power consumption

≤ 3,5 W

Connection

SubConn 8pin or fixed cable with M12 connector

Material

Housing

Stainless steel (1.4571 / 1.4404),
not suitable for permanent use in seawater;
Titanium (3.7035);
Deep sea version: Titanium (3.7035)

Measuring head

POM black with synthetic quartz glass,
not suitable for pH values < 4
Deep sea version: cover titanium, pressure ring POM
Acid-resistant version: PPS

Dimensions (L x Ø)

311 mm x 68 mm
Deep sea version: 314 x 78 mm

~12.2 '' x 2.6 ''
Deep sea version: ~12.4 '' x 3.1 ''

Weight

VA

~ 2.7 kg

~ 6 lbs

Ti

~ 1.9 kg
Deep sea version: ~ 3.9 kg

~ 4.2 lbs
Deep sea version: ~ 8.6 lbs

Ambient temperature

-5...+55 °C
+2...+40 °C for specified measurement accuracy

~ +23 to +131 °F
~ +35.6 to +104 °F

Sample temperature

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

~ +35.6 to +104 °F in situ
~ +35.6 to +104 °F in FlowCell

Relative humidity

0 to 95 %, non-condensing

Storage temperature

-20...+80 °C

~ -4 to +176 °F

Max. Max. pressure

with SubConn: 30 bar

~ 435 psi

with fixed cable: 3 bar

~ 43.5 psi

in flow unit (FlowCell):
1 bar, 2...4 L/min


~ 14.5 psi, 2 to 4 L/min

Deep sea version: 600 bar

~ 8702 psi

Inflow velocity

0.1...10 m/s

Storage conditions

-20...+80 °C

~ -4 to +176 °F

Relative humidity 0 to 95 %, non-condensing

Transportation conditions

as storage conditions

Protection type

Sensor side: IP68
Controller side: IP65 / IP67

sensor: NEMA 6P
controller: NEMA 6

Operating altitude

max. altitude 2000 m

~ 6562 ft

Maintenance effort

≤ 0.5 h/month typical

Calibration/
maintenance interval

24 months, manufacturer calibration can be extended to 4 years when used with the associated DryCAL set.

System compatibility

TriBox3, TriBox mini, Modbus RTU

Warranty

1 year (EU & US: 2 years)