Advanced Datalogging Sound Meter propagation trays Lightweight Viagrow horticultural perlite is

Lightweight Viagrow horticultural perlite is a lightweight substitute for sand

the heating mat's temperature is easily adjustable for optimal control over the growing environment

the only way to access the contents is to unzip it

throughput

Includes: Refillable propane tank

Advanced Datalogging Sound Meter propagation trays Lightweight Viagrow horticultural perlite isA single dynamic 30 ~ 130 db range eliminates the need to manually select ranges and prevents data errors during range changes in auto ranging models. All test parameters are simultaneously displayed on a large bright back lit display featuring 0. 1 dB resolution and a bar graph. Automatically log up to 31,000 records for later download, or manually save and recall 99 data points, with date and time stamp, directly on the meters LCD. The bi