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 ...

Use a smartphone, tablet or computer to remotely monitor temperature and humidity levels that affect your home, business, vacation home or ...

Use a smartphone, tablet or computer to remotely monitor temperature and humidity levels that affect your home, business, vacation home or ...

Use a smartphone, tablet or computer to remotely monitor temperature and humidity levels that affect your home, business, vacation home or ...

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

Large screen digital readout. Wireless sensor transmits up to 50 ft. Expandable to accept 2 additional sensors. Waterproof casing is chemic...