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Replacement for Orion Nitrogen Oxide Ion Selective Electrode "9707BN"

Replacement for Thermo Scientific Orion, Acumet, Hach & many more, Series Nitrogen Oxide, "9707BN", ISE


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A Nitrogen Oxide Ion Selective Electrode sensor specifically designed to measure 0.2 ppm to 220 ppm (5x10-6 M to 5x10-3 M) concentrations of NOx.

Applications include, but not limited to: Air, Stack Gases.

Electrodes Direct Supply a wide variety of cost effective electrodes, sensors, assemblies and accessories for pH, Contacting Conductivity, Toroidal Conductivity, ORP, Dissolved Oxygen, Optical Dissolved Oxygen, Potentiostatic Chlorine, Karl Fischer, Ion-Specific and Custom Designs. Direct Replacements for Laboratory, Titration, Biotech, and Industrial

applications are available for all major brands.

Electrodes Direct # 144


Model: NOX1501
Slope: 56 + / - 3 mV / decade
Reproducibility: + / - 2%
Interferences: CO2, SO2, HF, acetic acid
Temperature Range: 0 to 50° C (if calibrated at that temperature)
Pressure Range: 0 to 10 psi
Response Time: 95% response in 30 seconds
Storage: Long term, store dry Short term, store in nitrogen oxide standard with ISA added
Concentration Range: 5 x 10-6 to 5 x 10-3 M 0.2 ppm to 220 ppm
pH Range: 1.1 to 1.7 pH
Resistance: 1000 to 1500 megaohms
Care, Maintenance & Cleaning: Treat with a dilute nitrogen oxide standard with pH adjusted to 1.1 - 1.7 Replace membrane as needed
Temperature Compensation: No
Isopotential Point: Unknown
On-Line Capability: Yes, pH control required
Applications: Air, Stack Gases


Replaces, Thermo Scientific Orion, Acumet, Hach & many more, Nitrogen Oxide, "9707BN"