Extech 407228
Heavy Duty pH Meter

Super Large LCD with contrast adjust
Dual display for pH or mV and Temperature
Degrees C/F switchable
Easy 2 point Slope and Cal adjustments at pH 4 and pH 7
Min, Max and Average with Recall
Auto Shutoff and Data Hold
Low Battery Indicator
Manual and Auto Temperature Compensation using temp probe
Optional serial cable and Windows® compatible Data Acquisition Software enables user to display and capture readings on a PC, set time intervals and alarms
Optional battery operated datalogging module stores over 8000 readings which may be later transferred to a PC

Extech 407228 Shown

Ordering Information
Model	Description	Buy Online	Price
407227	Extech 407227 pH/MV Temperature Meter	Discontinued
407228	Extech 407228 pH Meter MV/Temp Kit, Heavy Duty w/Holster		$289.99
Included Accessories
	For 407228 Kit: pH electrode Temperature probe Protective holster 9V battery Carrying case	Included
Optional Accessories
156119	Extech 156119 AC Adaptor 117 VAC		$24.99
156221	Extech 156221 AC ADAPTOR, 220VAC FOR HEAVY DUTY SERIES		$24.99
380340	Extech 380340 Datalogger Module w/PC Software		$209.99
407001	Extech 407001 Data Acquisition Program & Cable		$69.99
60120B	Extech 60120B Electrode PH 120-C Combination BNC		$45.99
850188	Extech 850188 Probe, Temperature, Thermistor, for 407227		$49.99

*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.

$20.00 Minimum on Total Order