Tag: Waterproof Palm pH Meter

Waterproof Palm pH Meter Introduction Congratulations on your purchase of the Extech PH220 waterproof pH/mV meter. This microprocessor-based device with tactile push-buttons is battery operated and ideal for field use. The PH220 simultaneously displays pH and temperature. The rubber holster which protects the meter has a magnetic backing for convenient mounting. The built-in memory (25…