Apera Instruments AI201G GroStar pH / ORP Pen Tester Kit with ORP Probe

Features:

• The premium pH probe is built with a double-junction reference system and blue gel inner solution, ensuring quick and accurate pH readings along with a long service life
• Simple workflow 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.
• The probe is replaceable, so you don't have to discard the entire pen when the probe reaches its end of life.
• Accurate
• Easy to use
• Durable
• Double-junction pH probe for greater durability in complex nutrient solution testing
• ORP probe can be installed to measure ORP, which tells the ability of nutrient solutions to break down waste and contaminant.

Kit Includes:

• GS1 pH Pen Tester,
• GS5-E ORP Probe, 
• pH calibration buffer solution 7.00 & 4.00 (50ml each), 
• 3M KCL soaking solution (10ml), 
• user manual,
• lanyard