real nitrate sensor

REAL NITRATE SENSOR
GL series
Specification Sheet
REAL NITRATE SENSOR
Monitoring nitrates in real-time for drinking water and wastewater is straight forward and affordable
with Real Tech’s nitrate sensor. Using the UV absorption measurement principle, precise, accurate
and reliable data can be obtained without the use of reagents or complex sample preparation.
This simple and effective method saves time and labour, providing a practical solution for many
real-time nitrate monitoring applications.
Applications
• Groundwater and surface water
monitoring
• Monitoring nitrate reduction
through source water blending
• Finished drinking water product
monitoring
• Distribution system monitoring
• Ion exchange/reverse osmosis
removal efficiency monitoring
• Nitrification/denitrification process
efficiency monitoring
• Surface water monitoring for
contamination events and locating
source pollution
• Nitrogen removal process
monitoring
• and more.....
“ The solutions offered by Real Tech combine outstanding
performance and rock-solid reliability for even our most
demanding applications. Real Tech delivers.”
Dr. Peter Gallant Vice-President, ENDETEC Sensor Group | Veolia Water Solutions & Technologies
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REALTECHWATER.COM
Features and
Benefits
• Continuous online nitrate measurement
• Easy to install and simple to operate
• Proven UV absorption measurement
principle
• Practical and affordable monitoring
system
• Reagentless operation
• Low operating cost with long life lamp
• Reliable Split-Sense Pro technology
• Various measurement ranges (mg/L)
Simple. Accurate. Affordable.
Real Tech’s Nitrate sensor uses ultraviolet (UV) and
visible (VIS) absorbance technology to simply and
accurately measure nitrates in real-time without the
need for reagents or complex analytical methods.
Low maintenance. Stable output.
Real Tech’s innovative Split-Sense Pro technology uses
a method of moving the sample from a test position to a
reference position, allowing for continuous compensation
of lamp and sensor drift. This practical method allows for
long term stability in measurements, avoiding the need
for frequent calibration.
Full Control
Operation and control of the Real Nitrate sensor is simple
with Real Tech’s “plug and play” controllers. A single
sensor or multiple sensors can be connected to one
controller, bringing all data to one central location for
quick and simple analysis.
Access and Support
With Real Tech’s optional remote monitoring capabilities,
real-time data can be accessed anywhere, anytime
allowing our clients to take control immediately.
Additionally, this feature allows Real Tech to provide
remote support for sensors giving our clients peace of
mind and confidence in their data.
Optional Automatic Chemical Cleaning
The optional Real Clean systems are the ideal choice to
keep maintenance to a minimum and performance at
its best. The system can be programmed to meet the
cleaning demands of each site, with the ability to recycle
90% of the chemical cleaning fluid - further reducing
maintenance.
UV Absorbance Measurement Principle
Nitrate ions have a natural absorbance peak in the
200-220 nm wavelength range in the UV spectrum.
As the concentration of nitrates in water increase, the
absorbance of light in this distinct wavelength range will
also increase.
Common interferences with nitrate measurement at
220 nm, such as organic compounds, nitrite, iron (II),
and turbidity or suspended solids are compensated
for by measuring absorbance at additional reference
wavelengths in the UV-VIS spectrum where the interfering
compounds absorb, but nitrates do not. This multiple
wavelength measurement approach ensures a high
degree of accuracy.
TAKE CONTROL, KNOW WHAT’S IN YOUR WATER
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Table 1: Models and Measurement Range
Model
Path Length
NO3-N (mg/L)
NO3 (mg/L)
GL2010.Nitrate
1 mm
0-80
0-320
GL2020.Nitrate
2 mm
0-40
0-160
GL2040.Nitrate
4 mm
0-20
0-80
GL2080.Nitrate
8 mm
0-10
0-40
GL3500.Nitrate
50 mm
0-1.3
0-6
GL4000.Nitrate
250 mm
0-0.2
0-1
Table 2: Technical Specifications
Characteristic
Units
Sampling Time
Technical Data
mg/L
10 seconds to 1 minute (depending on application)
Calibration
In-situ zeroing to DI water / Nitrate standards for NO3 calibration
Cleaning
In-situ chemical cleaning or optional automatic chemical cleaning
Self-Diagnostics
Alarms
Humidity Control
Detection and diagnosis of internal system fault
Dry contact terminals allow for operator configurable alarms for: high and low set points, low
lamp output, leak detected, system fault, etc.
Humidity sensor with large plug-in regenerating desiccant system
Wavelengths
Up to 40 wavelengths between 200-750 nm
Light Source
Xenon Flash Lamp
Lamp Life
Dimensions
2-5 years
16”H x 20”W x 8”D
Enclosure
1P66, NEMA 4, wall mountable
Flow Rate
300-1000 mL/min
Pressure Rating
Fluid Connections
Storage Temp.
Operating Temp.
Weight
Warranty
Technology
Options
20 PSI
1/4” OD tube push-in fittings
-20 to 60°C (-4 to 140°F)
0 to 45°C (32 to 113°F)
44 lbs
2-year limited warranty (Extended care packages available)
Split-Sense Pro
Dual Feed, Real Clean, Pump Clean, Seawater Upgrade, High Temperature Upgrade, etc.
*Additional models and spec options available, contact Real Tech for more information.
1150 Champlain Court, Whitby ON L1N 6K9 Canada
T 905.665.6888 TF 1.877.779.2888 F 905.665.7025
E [email protected] www.realtechwater.com