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	Model #	CO21501
	Slope	56 ± 3 mV between 10-100 ppm @ 25°C
	Reproducibility	± 2%
	Interferences	Volatile weak acids
	Complexation	Heavy metals
	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 carbon dioxide standard with ISA added
	Concentration Range	4.4 ppm to 440 ppm  (1x10-4 M to 1x10-2 M)
	pH Range	4.8 to 5.2 pH
	Resistance	1000 to 1500 megaohms
	Care, Maintenance & Cleaning	Treat with dilute carbon dioxide standard with pH adjusted to 4.8 - 5.2 Replace membrane as needed
	Isopotential Point	Unknown
	On-Line Capability	Yes, pH control required
	Applications	Soft Drinks, Wine Fermentation