The Horiba LAQUAact PH-130 pH / ORP Meter is a handheld meter that measures pH, ORP, and temperature. The PH-130 can be used in the lab or in the field. The IP67 rated casing is waterproof for approximately 30 minutes in up to one meter of water. The compact and ergonomic design is easy to carry and includes an electrode hook attachment that allows up to 2 electrodes to be attached on either side of the meter.