... Temperature Data Logger-Temperature Recorder1.Universal Input16 channels,2.Relay/RS485/RS232 Modbus3.USB:plug&play4.CEKH200B-D is ... terms data recordUp to 16-points recording( option)Maximum 8 points relay output,(option)Could select 5VDC, 12VDC, 24VDC auxiliary power ... 5V,1-5Vlinear current:0-10mA,4-20mAOutput Module8 channels relay output (Max)print/communication interfaceDC5V,12V,24V Auxiliary power ...