The SRP-77 is designed with 2 display rows, which are indicates the measured value and programmed value. The unit is integrated with either 1 or 2 relay outputs, that regulate the on/off operations.
Additionally, the device functions in an operating temperature of -10°C to more than 70°C . It features a case dimension of 72 mm x 72 mm x 100 mm. Also, it offers an installation depth of 102 mm.