What are the alternatives for PH-1U8 (amplifier) and S-20G / DT (sensor)?

We recommend the PNX series as alternative
– Since this series is a built-in amplifier type, so it is necessary to replace it removing not only the sensor S-10G.DT but also the amplifier of PH-1U8 which is installed currently.
It is necessary to replace the entire sensor head.
– The series does not provide the timer function, so please consider to add a timer if necessary.
– The wiring method will be changed from the terminal block type to the lead wire type.
– The external dimension and mounting are significantly different.
– Light-on or dark-on operation is fixed depending on the model numbers.