Hanna GroLine HI98331 Direct Soil EC Tester | Penetration Probe Compost Teas configured for 277V commercial electrical

configured for 277V commercial electrical systems

The spring-loaded antidraft damper can be fully or partially inserted into your duct work using the rubber rings to hold itself in place

The integrated reflectors push photons toward the canopy edges

Multi functional packaging

from automated sunrise and sunset to veg

Hanna GroLine HI98331 Direct Soil EC Tester | Penetration Probe Compost Teas configured for 277V commercial electricalWhat a Direct Soil EC Meter Saves You The old routine was a slurry. Take a sample, mix it with distilled water at a set ratio, wait, filter, then read the extract. It works, and it takes long enough that most people skip it. The HI98331 puts a stainless steel penetration probe into the substrate and reads it where it sits. Range runs 0 to 4000 uS cm, resolution 1 uS cm. One button, one point calibration, done automatically against a 1413 uS cm