RS485(Modbus RTU/ASCII) - HTX42C-10 : Dew-point (4...20mA), Temperature (4...20mA) output - HTX42C-01 : RS485(Modbus RTU/ASCII) ※ “Direct Connection with a Thermal Element” means all of PT100, PT1000, NI1000, NTC5K and NTC10K are available.