![area monitor con 4dd2d2129801c](/images/com_hikashop/upload/area_monitor_con_4dd2d2129801c.png)
Model 375
(2011 and after)
- Wall power supply (+9V)
- Triple form C relays
- Easy flanged mounting
- Internal Ethernet addition option
- Sonalert has a baffle to diminish the sound volume and an inside jumper to increase the sound volume
- 9pinD remote/RS232 connector with screw jacks
- Internal detectors can be supplied
![m375 legacy](/images/products/m375_legacy.jpg)
Model 375 - Legacy
(1993 to 2011)
- Mains power (120V / 240V), internal wiring needs to be modified for 240 V input
- 9pinD remote/RS232 connector with lever disconnect
![m375p](/images/products/m375p.jpg)
Model 375P
- Similar to legacy Model 375, but with a mains relay to drive mains voltage horns or strobes
- Two detector channels to support up to two large area plastic scintillator detectors
- Sigma floating alarm point
![m375 dual c 500px](/images/com_hikashop/upload/m375-dual-c_500px.png)
Model 375Dual
- Contains two separate legacy style Model 375 controllers to support two detectors in one chassis
- Generally used with gamma and neutron detectors
- Detectors and operating points are independent, only share mains input power and chassis