​Model : Slope :	#​ NH31501 56 + / - 3 mV/decade
Reproducibility :	+ / - 2%
Interferences :	Volatile amines
Temperature Range :	0 to 50° C (if calibrated at that temperature)
Pressure Range :	0 to 10 psi
ResponseTime :	95% response in 30 seconds
Storage :	Long term, store dry Short term, store in ammonia standard with ISA added
Concentration Range :	5 x 10-7 M to 1M/ 0.01 ppm to 17,000 ppm NH3
pH Range :	Above 11 pH
Resistance :	1000 to 1500 megaohms
Care, Maintenance, & Cleaning :	Treat with a dilute ammonia standard with pH adjusted > pH 11 Replace membrane as needed
Temperature Compensation :	No
Isopotential Point :	Unknown
On-Line Capability :	Yes, pH control required
Applications	High Purity Power Station Waters, Fish Tanks, Sea Waters, Waste Waters, Plating Baths, Biological Samples