Lab grade instruments designed specifically for growers!
The GS4 5-in-1 Combo Pen includes: pH 7 & pH 4 calibration solution (50ml bottle each), 2.77 EC (50ml bottle) and KCL storage solution (10ml bottle), lanyard and user manual
| Brand | GroStar |
|---|---|
| SKU | AI21040 |
| Weight (lb.) | 0.8000 |
| Height (in.) | |
| Prop 65 | false |
| Lead Time | 3-5 |
| Length (in.) | |
| Width (in.) | |
| Warranty | 2 Year Pen, 1 Year Probe |
| Hazardous Material | false |
| UPC | 810214031604 |
| ETL Listed | No |
| UL Listed | No |
| Shipping Restrictions | AK, HI |
What can the Apera Instruments GroStar GS4 Combo Pen measure?
The Apera Instruments GroStar GS4 Combo Pen measures pH, conductivity, EC, 500ppm, 700ppm, and temperature.
What calibration supplies come with the Apera Instruments GroStar GS4 Combo Pen?
The Apera Instruments GroStar GS4 Combo Pen includes 50 ml bottles of pH 7, pH 4, and 2.77 EC calibration solutions, plus a 10 ml bottle of KCL storage solution.
Can growers replace the probe on the Apera Instruments GroStar GS4 Combo Pen?
The Apera Instruments GroStar GS4 Combo Pen has a double junction replaceable probe, so growers can replace the probe instead of discarding the entire pen. The Apera Instruments GroStar GS4 Combo Pen is compatible with all Apera GroStar probes.
How does the Apera Instruments GroStar GS4 Combo Pen support accurate grow readings?
The Apera Instruments GroStar GS4 Combo Pen provides high accuracy through premium probe technologies, automatic temperature compensation, and fast calibration adjustment.
