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美國ExtechpH計/ORP計（pH/ORP Meters）
美國Extech中國代理商：上海益朗儀器有限公司

	SDL100 - pH/ORP/Temperature Datalogger Records data on an SD card in Excel® format
	341350A-P - Oyster™ Series pH/Conductivity/TDS/ORP/Salinity Meter Oyster™ meter with mini pH electrode and Polymer conductivity cell
	407228 - Heavy Duty pH/mV/Temperature Meter Kit Rugged pH meter with pH electrode, Temp probe and carrying case
	DO610 - ExStik^® II DO/pH/Conductivity Kit Measures Dissolved Oxygen, pH, Conductivity, TDS, Salinity and Temperature
	EC500 - Waterproof ExStik^® II pH/Conductivity Meter Combination flat surface pH electrode with autoranging high accuracy Conductivity cell
	EC510 - Waterproof ExStik^® II pH/Conductivity Meter Kit Combination flat surface pH electrode with autoranging high accuracy Conductivity cell
	EX800 - ExStik^® 3-in-1 Chlorine, pH, Temperature Kit Chlorine, pH and Temperature measurements with all the necessary accessories
	EX900 - ExStik^® 4-in-1 Chlorine, pH, ORP and Temperature Kit Chlorine, pH, ORP and Temperature measurements with all the necessary accessories
	Oyster-10 - Oyster™ Series pH/mV/Temperature Meter Oyster™ meter with adjustable display
	Oyster-15 - Oyster™ Series pH/mV/Temperature Meter Kit Oyster™ meter kit with mini pH electrode, calibration buffers an carrying case
	Oyster-16 - Oyster™ Series pH/mV/Temperature Meter Kit Oyster™ meter kit with mini pH electrode and RTD temperature probe
	PH100 - ExStik^® pH Meter Meter with flat surface electrode for fast and easy on-the-spot pH measurements
	PH110 - ExStik^® Refillable pH Meter Unique pH stick meter with rugged refillable flat surface pH electrode
	PH150-C - ExStik® Concrete pH Kit Provides fast and easy on-the-spot pH measurements on concrete
	PH220-C - Waterproof Palm pH Meter with Temperature Compact size pH meter with cabled pH electrode
	PH220-S - Waterproof Palm pH Meter with Temperature Compact size pH meter with stick pH electrode
	PH300 - Waterproof pH/mV/Temperature Kit 3-in-1 Meter with Lab-Quality Performance
	PH50 - Waterproof pH Pen Easy to use, rugged pH pen with 2 to 12pH range
	PH60 - Waterproof pH Pen with Temperature Easy to use, rugged pH pen with 0 to 14pH range and temperature function
	RE300 - ExStik^® ORP Meter ORP meter with rugged flat surface ORP electrode and high resolution of 1mV