Function and system design |
Measurement principle |
Attenuation |
Light source |
Xenon flash lamp |
Detector |
4 photo diodes + filter |
Optical path |
0.3 mm, 1 mm, 2 mm, 5 mm, 10 mm, 50 mm |
Input data |
Parameter |
NO3-N |
Measurement accuracy |
± (5 % + 0,1) |
Turbidity compensation |
Yes |
Data logger |
~ 2 GBv |
T100 response time |
2 min |
Measurement interval |
> 1 min |
Auxiliary power |
Interface digital |
Ethernet (TCP/IP), RS-232 or RS-485 (Modbus RTU) |
Interface analog |
Ethernet (TCP/IP), 4…20 mA |
Power supply |
12-24 VDC (± 10 %) |
Output data |
Power consumption |
< 8 W |
Environmental conditions |
Sample temperature |
+2…+40 °C |
Ambient temperature |
+2…+40 °C |
Inflow velocity |
0.1-10 m/s |
Performance characteristics |
Maintenance effort |
Typically = 0.5 h/month |
Calibration/maintenance interval |
24 months |
System compatibility |
Modbus RTU, Analog Out 4…20 mA |
Guarantee |
1 year (EU: 2 years) |
Installation |
Max. pressure with SubConn |
30 bar |
Max. pressure with fixed cable |
3 bar |
Max. pressure in flow cell |
1 bar, 2-4 L/min |
Protection type |
IP68 |
Structural design |
Housing material |
Stainless steel (1.4571/1.4404) or titanium (3.7035) |
Weight stainless steel |
~ 3 kg |
Weight titanium |
~ 2 kg |