Technical specifications

Measurement technology - Light source

LED

Measurement technology - detector

photodiode

Measuring principle

Nephelometry (90° scattered light method)

Parameters

Turbidity in FNU; mg/L; NTU; TSSeq

Standard applied

DIN EN ISO 7027-1:2016-11

Measuring range

0 - 100, 0 - 400, 0 - 1000 FNU

Measuring accuracy

± (5 % + 0.5); max. ± 2 FNU

Detection limit

0.5 FNU for TTurb-100

2 FNU for TTurb-400

2 FNU for TTurb-1000

Measuring wavelength

860 nm, FWHM 30 nm

Response time T100

6 s

Measuring interval

≥ 3 s

Housing material

PET / POM / NBR

Dimensions (L x Ø)

with fixed cable

182 x 36 mm

~ 7.2˝ x 1.4˝

with SubConn connector

209 x 36 mm

~ 8.2˝ x 1.4˝

Weight

approx. 0.3 kg

~ 0.7 lbs

Interface

Ethernet (TCP/IP)

RS-485 (Modbus RTU)

Power consumption

typically < 0.9 W

with network < 1.5 W

Power supply

12-24 VDC ±10 %

Connection

8-pin M12 plug

Maintenance effort

≤ 0.5 h/month typical

Calibration/maintenance interval

24 months, when using a TTurbCAL 4 - 5 years

System compatibility

Modbus RTU

Warranty

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

Max. Pressure

with fixed cable

3 bar

43.5 psi

in flow
cell

1 bar, 2-4 L/min

14.5 psi, 2-4 L/min

Protection type

IP68

NEMA 6P

Sample temperature

0...+40 °C

32...104 °F

Ambient temperature

0...+40 °C

32...104 °F

Storage temperature

0...+80 °C

32...176 °F

Inflow velocity

max. 0.1 m/s