The pH128 GroLine is a pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The pH128 is a very simple meter to operate with all functions including turning on/off and calibration are performed with a single button. The pH128 features a replaceable HI1271 pH electrode that can be changed when needed without having to buy a new meter. The pH128 is supplied complete with a carrying case and calibration solutions.
Economical – The pH128 is a full-featured pH tester at a price that anyone that needs to measure pH can afford.
Large LCD – Enhanced LCD that displays reading, stability indicator, low battery indicator and calibration tags.
Replaceable pH Electrode – The HI1271 supplied gel filled pH electrode is 103 mm long and tapers to an 8 mm diameter at the sensing end. This narrow electrode easily fits into test tubes, vials, and other containers with small opening.
Automatic Calibration – The pH128 is calibrated automatically to one or two points. The calibration buffers are automatically recognized and after calibration the buffer values used are shown on the display as a tag.
Stability Indicator – An hourglass indicator is displayed on the LCD until a stable reading is obtained. Once a reading stabilized the indicator disappears and a reading can be recorded.
Automatic Shut-Off – The meter can be set to automatically turn off after 8 minutes or 60 minutes to conserve battery life in the event that the meter is left on. The auto off feature can be disabled.
Long Battery Life – The pH128 has an exceptional long battery life of approximately 1000 hours. When the battery power is running low a low battery indicator is displayed.
Plastic Carrying Case – The pH128 is supplied complete with meter, probe, calibration solutions and cleaning solutions packaged in a durable plastic carrying case.
1-year manufacturer’s warranty ensure long device life.