Self-powered, 3-digit LED Display AC line frequency monitors , 47.0-99.0Hz (85-140Vac) 50ma maximum
The world’s smallest, self-powered, ac frequency meters. Simply connect the ac line to the two rear input terminals, and the unit is
fully operational with no additional components or auxiliary power required! Epoxy encapsulated plastic packages provide excellent
protection against the harsh environments.
Brand name(s) : Datel , Murata Power Solutions

Features
Self-powered, no external supplies required
Screw terminals simplify panel mounting
Ideal for emergency power equipment
Small 1.38" x 0.88" x 1.0" packages
Epoxy encapsulated for harsh environments
Large (0.40"/10.2mm) red LED displays

Environmental
Operating Temperature : –25 to +60°C
Storage Temperature : – 40 to +75°C
Humidity (Non-condensing) : 0 to 95%