11 Technical data
Measuring technology
Ligth source Xenon flash lamp
Detector 4 photo filter
Measurement principle Attenuation (optical attenuation)
Optical path 0.3 mm
1 mm
2 mm
5 mm
10 mm
Parameter NO
3
-N
NO
3
NO
X
-N
NO
X
(calibrated with NO
3
standard solution)
Measuring range
0.3 mm optical path 1.65 … 200 mg/L NO
3
-N
1 mm optical path 0.5 … 60 mg/L NO
3
-N
2 mm optical path 0.25 … 30 mg/L NO
3
-N
5 mm optical path 0.1 … 12 mg/L NO
3
-N
10 mm optical path 0.05 … 6 mg/L NO
3
-N
Measuring accuracy
0.3 mm optical path ±(5 % + 3.3 mg/L) NO
3
-N
1 mm optical path ±(5 % + 1.0 mg/L) NO
3
-N
2 mm optical path ±(5 % + 0.5 mg/L) NO
3
-N
5 mm optical path ±(5 % + 0.2 mg/L) NO
3
-N
10 mm optical path ±(5 % + 0.1 mg/L) NO
3
-N
Turbidity compensation Yes
Data logger ~ 2 GB
T
100
Response Time 20 s
Measurement interval ≥ 10 s
Housing material Stainless steel (1.4571/1.4404)
Dimensions (L x Ø) Approx. 470 x 48 mm (with 10 mm path)
Weight Approx. 3 kg
Interfaces digital Ethernet (TCP/IP)
RS-485 (Modbus RTU)
Power consumption ≤ 7 W
Power supply 12 … 24 V
DC
(±10 %)
Maintenance effort typ. ≤ 0.5 h/month
Calibration/maintenance interval 24 months
System compatibility Modbus RTU
Max. pressure
with Subconn 30 bar
with fixed cable 3 bar
Protection type IP68
Sample temperature +2 … +40 °C
Ambient temperature +2 … +40 °C
Storage temperature –20 … +80 °C
Inflow velocity 0.1 … 10 m/s
25
