Timers & Instruments

Sun System® PAR Meter with remote sensor measures photosynthetically active radiation (PAR). Use inside with Sun System® grow lights or out...

Sun System® PAR Meter comes with a integrated sensor to measure photosynthetic active radiation (PAR). Use inside with Sun System grow ligh...

Measures moisture content of soil. Lets you know when to water. No batteries needed. For indoor or outdoor use.

The Rapitest® Digital Moisture Meter tests for moisture at the roots—where it matters—you no longer risk overwatering a healthy plant just ...

Measures indoor/outdoor temperature & indoor humidity. Stores the Min./Max. values of the indoor/outdoor temperature and indoor humidit...