Description
The EMS Kontrol SR-4XX measures temperature and humidity and uses adjustable relay switching to control equipment within a selected operating range.
Specifications
| Supply | 12–24 VDC |
|---|---|
| Temperature range | SR-411: −20 to +60°C; SR-401/441: 0–50°C or −20 to +80°C |
| Humidity range | 0–100% RH |
| Outputs | Two relay outputs; analogue options by model |
Adjustable relay sensitivity; optional buzzer. Select relay-only or analogue-output models to suit the application.
Request a quotation from PVL to confirm the required model, configuration and compatible accessories.

