9
13
What’s in the box
14 Accessories
• pH buffer Kit (pH4/7, 250ml, each), item AI1113
• pH buffer Kit (pH4/7/10, 250ml, each), item AI1115
• 2.77 EC Standard Calibration Solution
• 3M KCl storage solution 250ml, item Al1107
• GS3-E EC Probe, item Al58030
15
Warranty
How Long Does the Coverage Last?
Apera Instruments® (Apera) warrants the GroStar™ GS4 Premium pH/EC Combo Pen
Tester (Product) for a period of 24 months for the instrument and 12 months for the probe
from date of purchase by original purchaser or consumer. Proof of purchase is required for
the warranty to be effective (store sales receipt for Product showing model number, payment,
and date of purchase). This warranty is non-transferable and terminates if the original
purchaser/consumer sells or transfers the Product a third party.
What is Covered?
Apera warrants the Product against defects in material and workmanship when used in a
normal manner, in accordance with Apera instruction manuals. If Apera is provided with valid
proof of purchase (as defined above) and determines the Product is defective, Apera may, in
its sole discretion either (a) repair the Product with new or refurbished parts, or (b) replace
the Product with a new or refurbished Product.
GS3 EC Pen
Laynard
2.77 EC
Solution
