SAMPLING
Maximum sampling interval: 15 minutes, Analytical Range in freshwater & wastewater*
– Nitrate: 0.6 – 500 mg/L as NO3–
– Nitrite: 0.05 – 100 mg/L as NO2–
*35 ppt saline water, the lower limits of detection are
1.0 mg/L nitrate as NO3– and 0.5 mg/L nitrite as NO2–
DATA & COMMUNICATIONS
ENVIRONMENTAL
Operating temperature range: 7 – 40°C
Sample temperature range: 2 – 50°C
Operating humidity range: 10 – 90% RH, non-condensing
Storage temperature range: -20 – 60°C
Storage humidity range: 10 – 90% RH, non-condensing
IP rating: IP65 (IEC 60529)
ACCURACY & PRECISION
• Accuracy:
– Fresh water ~99%
– Wastewater & Saline Water ~95%
• Precision 95%
• Analytical Range for Fresh Water and Wastewater*
– Nitrate: 0.6 – 500 mg/L as NO3–
– (0.14 to 113 mg/L as N)
– Nitrite: 0.05 – 100 mg/L as NO2–
– (0.01 to 30 mg/L as N)
POWER
15 – 25 Vdc input power, 50 W max. rated power
Optional external Power Supply available, 85-264 Vac input, 24Vdc output (fully enclosed)
WARRANTY
One Year
CERTIFICATION
C.E. Mark, REACH
ISO14034
APPLICATIONS
Catchment
Final Effluent
Wastewater
Drinking Water
SERVICE
The service itself can range in terms of the level of intervention and skill required. NOx-monitrix has been designed with servicing in mind, and to keep the majority of service activity at a low skill level, enabling both end users and service agents alike to have light touch points with the analyser to ensure its continued operation.
The service requirement for the NOx-monitrix analyser depends on;- the application ( wastewater final effluent, drinking water, aeration basin), the duty cycle (frequency of analysis, every 15 minutes, 6 times per day) and the sample matrix condition. We have a recommended service guideline for each application based on the duty cycle and standard matrix condition. Our service guidelines have been built upon experience operating the analysers in various applications worldwide.
Climate control is an integral part of the analysers’ operation. Where the analyser is subjected to temperatures outside its standard operations ( 7 to 40°C ) we recommend installing the analyser within a housing providing either heating or cooling as required.
The sample matrix condition may vary from one point to the next. For example, not all final effluents are the same. However, the analyser has a self-prognostic feature that notifies the user of any issues that may occur. This will prompt the user with an earlier-than-expected service if the analyser has experienced abnormal sample matrix conditions. As a backup, the Aquamonitrix team can access the analyser via the IoT platform ( if enabled), to review the veracity of the results and problem-solve any issue that may have occurred.
The carrier eluent used by the analyser is a dilute non-hazardous sodium chloride eluent that can be manufactured by an on-site laboratory technician or supplied by a local chemical reagents and standards company. We can provide a detailed SOP for the manufacture of the eluent.
Webinars & Case Studies
Monitoring Nitrification Events in Chloraminated Water Systems
Nitrification is a microbial process that converts ammonia and similar nitrogen compounds into nitrite (NO2–) and then nitrate (NO3–). Nitrification can occur in water systems that contain chloramines.
High-Resolution Nitrate & Nitrite Monitoring in a West Cork River Basin
High-Resolution Nitrate & Nitrite Monitoring in a West Cork River BasinIn October 2021, Ireland’s Local Authority Water Programme (LAWPRO) for the South-West Region was using mains-powered Aquamonitrix® analyser to quantify the nitrate load entering an estuary in...
