Hach-Lange NO3D sc Nitrate Sensor - Manual (Page 5)

5
Section 1 Specifications
These are subject to change without notice.
General Information
Measuring method
Ion-selective electrodes for nitrate and chloride, pHD reference electrode and
temperature sensor
Measuring range 0.1 to 1000 mg/L [NO
3
–N] and 0.1 to 1000 mg/L [Cl - ]
Minimum detection limit 0.5 mg/L [NO
3
–N] 1
Precision 5% of the measured value + 0.2 mg/L 1
Reproducibility 5% of the measured value + 0.2 mg/L 1
Response time (90%) < 3 min (5 to 50 mg/L NO
3
-N)
Measuring interval continuous
pH range pH 5 to pH 9
Calibration methods
Sensor code for sensor cartridge
1 and 2-point matrix correction
Power consumption 1 W
Power supply via sc controller
Data transfer via sc controller
Ambient data
Typical environment Use in municipal waste water applications
Storage temperature
Sensor: –20 to 60 °C (–4 to 140 °F)
Sensor cartridge: 5 to 40 °C (41 to 104 °F)
Operating temperature Air: –20 to 45 °C (–4 to 113 °F)
Sample temperature +2 to 40 °C (35 to 104 °F)
Max. flow velocity < 4 m/s
Max. sensor immersion
depth/pressure Can be immersed 0.3 to 3.0 m [1 to 10 ft]
max. pressure: 0.3 bar (4.4 psi).
Max. air pressure for cleaning unit
option
3.1 bar (45 psi)
General sensor information
Sensor dimensions 360.9 mm x 48.3 mm (14.21 x 1.9 in) (L x Ø), see Figure 1 on page 6 .
Sensor cable length
Standard: 10 m (33.8 ft)
Optional extension cables available in
5, 10, 15, 20, 30, 50 m [16.4, 33.8, 49.2, 65.6, 98.4, 164 ft].
Total maximum length: 100 m (328 ft)
Sensor weight Approx. 1326 g (46.77 oz)
Wetted materials
Only for immersed installation: Sensor body made of stainless steel 316 with
ends made of Ryton PPS
®2 .
Installation angle 45° +/– 15° vertical in flow direction
1 with standard solutions for ISE electrodes in lab conditions
2 Ryton ® is a registered trademark of Phillips 66 Co.