Thermometer - Digital no Probe Model 302/303/303C Refill Complete spectrum to take plants

Complete spectrum to take plants from veg to flower

Accelerates breakdown of dead roots

Finish Grade PVC does not stain and wipes clean after use

Factory calibrated:  the com-80 meter is calibrated with a 1413 µs solution

LOCKNDRY compatible

Thermometer - Digital no Probe Model 302/303/303C Refill Complete spectrum to take plantsThermo hygrometer. Max Min. separate display for humidity and temperature memory for the highest and lowest temperature and humidity designed to stand or to be hung battery included Specifications: Indoor temperature range: 20oC ~ +50oC Temperature resolution: 0. 1oC Temperature accuracy: + 1. 0oC Temperature measuring period: 10 sec. Humidity measure range 10% RH ~ 95% RH Humidity resolution: 1% Humidity accuracy: + 5% Humidity measuring period: 20