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Proven nitrate measurements made more accessible
Improve your experience in nitrate measurement with Hach’s new NT3100sc sensor. Backed by a legacy of reagent-free UV absorbance technology expertise, Hach’s NT3100sc UV Nitrate Sensor is equipped to meet your unique application needs. Whether measuring nitrate in municipal sewage treatment plants, surface water, untreated water or treated drinking water, you’ll have the choice of 3 different path lengths to fit your measurement ranges and turbidity compensation needs.
NT3100sc replaces Nitratax plus sc and Nitratax eco sc.
| Accuracy | ± 5% of reading ± 0.1 mg/L NO₃-N |
| Altitude | 2000 m (6562 ft) maximum |
| Ambient Temperature | 2 – 40 °C (36 – 100 °F), 95% relative humidity, non-condensing |
| Cable Length | 10 m (33 ft) Extension cables are available: 5, 10, 15, 20, 30 and 50 m. The maximum cable length is 60 m (190 ft). |
| Certifications | CE, CMIM, UKCA, FCC, and ISED approved |
| Controller Compatibility | SC4500, SC1000, SC200 |
| Dimensions | 70 x 402 mm (3 x 15.8 inches) approximately |
| Indoor/Outdoor | Outdoor |
| IP Rating | IP68 |
| Lower Limit of Detection (LOD) | 0.1 mg/L NO₃-N |
| Material | Sensor enclosure: 1.4571 Stainless Steel Enclosure seals: Silicone Wiper axle, arm (5 mm) and wiper blade carrier (1 mm and 2 mm): 1.4571 Stainless Steel Wiper blade: Silicone Measuring window: Quartz glass Sensor cable: Polyurethane (PUR) Cable gland: 1.4571 Stainless Steel Seal cable gland: Silicone HT |
| Measurement Method | UV Absorption, sludge compensated, 2-channel beam path |
| Measuring Interval | 15, 30 seconds, 1, 5, 10, 30 minutes |
| Measuring Principle | UV absorption measurement, reagent-free |
| Model | NT3100sc |
| Over voltage category | II |
| Parameter | Nitrate |
| Path Length | 1 mm |
| Pollution Degree | 2 |
| Power Consumption | 9 |
| Pressure Range | Sensor pressure limit: 0.5 bar |
| Process Connection | Immersion directly in media Bypass with Flow Through Unit Sedimenter |
| Range | 0.1 – 90 mg/L NO₃-N |
| Resolution | 0.01 – 999.9 |
| Response Time | T100: 1 minute |
| Sample Temperature | 2 – 40 °C (36 – 100 °F) |
| Signal Average Time | 1 to 12 measurements |
| Sludge Compensation | Yes |
| Units | mg/L, ppm |
| Warranty | 12 months |
| Weight | 4.8 kg (10.58 lb) with 10 m cable |
| What’s included? | Sensor with cable set, set of wipers, user manual |
