Lutron PH Meter (two display) - PH-221
Description
FEATURES
• 0 to 14.00 pH, ± 1,999 mV.
• LCD show both pH and the temperature.
• ATC or manual TEMP. compensation.
• Auto calibration for pH 4 an pH 7.
• Optional pH electrode and the ATC probe.
• RS232 computer interface.
• DC 9V battery ( 006P ) or DC 9V adapter in.