Fig. 1: Nitratereductor NR 400
7
3
10
10
9
5
6
4
2
1
8
1. Housing
2. Tube
3. Cap with O-ring
4. Y-piece (feeding/ water inlet)
5. Adjustion valve
6. 6/4 mm tube
7. 8/6 mm tube
8. T-piece (bypass)
9. Valve for feeding syringe
10. Feeding syringe
11. Drip counter