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Water Quality Meter Comparison
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pH Meters	Model	pH	Chlorine (PPM)	ORP (mV)	Conductivity	TDS/Salinity	Temp	Max Resolution	Basic Accuracy	Price
	PH50 pH Pen	2.0 to 12.0pH	1	1	1	1	1	0.01pH 0.1º	0.3pH	$40.00
	PH60 pH Pen	0.0 to 14.0pH	1	1	1	1	32 to 122ºF (0 to 50ºC)	1	0.2pH 1ºF/0.5ºC	$50.00
	PH100 pH Meter (gel filled)	0.0 to 14.0pH	1	1	1	1	23º to 194ºF (-5 to 90ºC)	0.01pH 0.1º	0.01pH 1.8ºF/1ºC	$89.00
	PH110 pH Meter (refillable)	0.0 to 14.0pH	1	1	1	1	23º to 194ºF (-5 to 90ºC)	0.01pH 0.1º	0.01pH 1.8ºF/1ºC	$99.00
	PH220-S Palm pH Meter	0.0 to 14.0pH	1	-999 to 999mV	1	1	32º to 212ºF (0 to 99.9ºC)	0.01pH 1mV 0.1º	0.01pH 2mV 0.08ºF	$129.00
	Oyster-15 pH/ mV/ Temp Meter	0.0 to 14.0pH	1	-999 to 999mV	1	1	32º to 212ºF (0 to 99.9ºC)	0.01pH 1mV 0.1º	0.02pH 2mV 0.08ºF	$199.00
	407227 Heavy Duty pH/ mV/ Temp Meter	0.0 to 14.0pH	1	0 to 1999mV	1	1	32º to 212ºF (0 to 99.9ºC)	0.01pH 1mV 0.1º	0.03pH .05mV 1.8ºF	$169.00
Chlorine/ ORP/DOS Meters	Model	pH	Chlorine (PPM)	ORP (mV)	Conductivity	TDS/Salinity	Temp	Max Resolution	Basic Accuracy	Price
	CL200 Chlorine Meter	1	0.01 to 10.0ppm	1	1	1	23º to 194ºF (-5 to 90ºC)	0.01ppm 0.1ºF	10%reading 0.01ppm 1.8ºF/1ºC	$169.00
	RE300 ORP Meter	1	1	-999 to 999mV	1	1	1	1mV	4mV	$99.00
	DO600 Dissolved Oxygen Meter	1	1	1	1	DO Saturation: 0 to 200% DO Concentration: 0 to 20.00ppm	32º to 194ºF (0 to 65ºC)	0.01% 0.01ppm	2%FS 1.8ºF 0.4ppm	$299.00
Conductivity Meters	Model	pH	Chlorine (PPM)	ORP (mV)	Conductivity	TDS/Salinity	Temp	Max Resolution	Basic Accuracy	Price
	EC400 Conductivity Meter	1	1	1	0 to 199.9uS 200 to 1999uS 2.0 to 19.99mS	0 to 99.9ppm 100 to 999ppm 1.0 to 9.99ppt	32º to 194ºF (0 to 65ºC)	0.1uS 0.1ppm 0.1ºF	2%FS 1.8ºF	$79.00
	EC500 pH/Conductivity Meter	0.0 to 14.0pH	1	1	0 to 199.9uS 200 to 1999uS 2.0 to 19.99mS	0 to 99.9ppm 100 to 999ppm 1.0 to 9.99ppt	32º to 194ºF (0 to 65ºC)	0.1uS 0.1ppm 0.1ºF 0.01pH	2%FS 1.8ºF 0.01pH	$129.00
	407303 Heavy Duty Conductivity/ Temp Meter	1	1	1	0.1 to 199.9uS 0.2 to 1.999uS 2.0 to 19.99mS	1	32º to 140ºF (0 to 60ºC)	0.1uS 0.1ºF	3%FS 1.5ºF	$249.00
Extech Kits	Model	pH	Chlorine (PPM)	ORP (mV)	Conductivity	TDS/Salinity	Temp	Max Resolution	Basic Accuracy	Price
	D0610 DO/pH/ Conductivity Kit- (Includes DO600 & EC500 meters)	0.0 to 14.0pH	1	1	0 to 199.9uS 200 to 1999uS 2.0 to 19.99mS	0 to 99.9ppm 100 to 999ppm 1.0 to 9.99ppt	32º to 149ºF (0 to 65ºC)	DO600: 0.1%/0.01ppm EX500: 0.1uS 0.1ppm	See DO600& EC500	$399.00
	EX800 Chlorine/pH Kit- (Includes CL200 meter w/pH module)	0.00 to 14.00pH	0.01 to 10.0ppm	1	1	1	23º to 194ºF (-5 to 90ºC)	0.01pH 0.1º	0.01pH 10% reading 0.01ppm 4mV 1.8ºF	$199.00
	EX900 Chlorine/pH/ ORP Kit- Includes CL200 meter w/pH & ORP modules)	0.00 to 14.00pH	0.01 to 10.0ppm	-999 to 999mV	1	1	23º to 194ºF (-5 to 90ºC)	0.01pH 0.1º	0.01pH 10% reading 0.01ppm 4mV 1.8ºF	$299.00
	EC410 Conductivity/TDS/ Salinity & Temp Kit	1	1	1	0 to 199.9uS 200 to 1999uS 2.0 to 19.99mS	0 to 99.9ppm 100 to 999ppm 1.0 to 9.99ppt	32º to 149ºF (0 to 65ºC)	0.1uS 0.1ppm 0.1ºF	2%FS 1.8ºF	$119.00

Water Quality Meter Comparison (back to Water Quality Meters)

Water Quality Meter Comparison
(back to Water Quality Meters)