GroStar Series GS4-P pH/EC/500ppm/700ppm/ORP 6-in-1 Combo Pen Tester Kit (Gen II)

Apera Instruments GroStar GS4-P pH/EC/ppm/ORP Combo Pen Tester Kit is a lab-grade multi-parameter meter kit designed specifically for growers to easily manage crop success, featuring a replaceable pH/EC plus an ORP probe, and a grower-friendly workflow along with other intelligent functions and features that help reduce the guesswork and give you the confidence in every measurement.

Main Features:

• The pH/EC combo probe is built with a double-junction pH sensor and titanium conductivity sensor, ensuring quick and reliable readings in the long run.
• A replaceable double-junction platinum ORP probe is included in this kit for you to easily monitor the ORP level of nutrient solutions. Just switch on the ORP probe and the tester will automatically enter ORP measurement mode.
• Easy to use design and quick 2-point automatic calibration with electrode condition display.
• 3-Color backlit LCD screen gives you clear readings in different modes even in dark environment.
• TruRead measurement mode available for taking measurements in multiple locations and automatically displaying the average, minimum, and maximum values of all the readings.

We warrant this instrument to be free from defects in material and workmanship and agree to repair or replace free of charge, at the option of APERA INSTRUMENTS, LLC, any malfunctioned or damaged product attributable to the responsibility of APERA INSTRUMENTS, LLC for a period of TWO YEARS for the instrument and ONE YEAR for the probe from the delivery.

This limited warranty does NOT cover any issues due to:

• Accidental damage
• Improper use
• Normal wear and tear
• Transportation
• Storage
• Failure to follow the product instructions
• Unauthorized maintenance, modifications, combination or use with any products, materials, processes, systems or other matter
• Unauthorized repair
• External causes such as accidents, abuse, or other actions or events beyond our reasonable control.