General Tools PH501 pH Meter is ideal for cooling towers. This General Tools pH meter has automatic temperature compensation. Formerly Mannix Instrument.
Easy-to-read digital display
Excellent for cooling towers
Pocket friendly design
Automatically compensates for temperature
Lightweight and durable design
Includes a durable hard carrying case
Can be calibrated with included calibration screwdriver
Battery operated
Electrode reaches up to 3.15"
Ph range
0.0 to 14.0 pH
Size
6.2 x 1.5 x 1.3
Power
(1) 9-volt battery
Weight
4 oz.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
