"FC800 S8000 FLOW CELL, 1 1/2"" SLIP CPVC"; GEN021 GYCAT-0900-BD-M-G HCS DMA-2 IMA2-LVDT/55, 2V 4-20MA; IS200CD-CL IS200CD-NH4 IS200CD-NO3 JAEGER 532356, MODELL 490513044 FUR SX - 12V -025-HP; MBP10AA035-B01 MODEL 490513044 for SX-12V-025-HP MODELL 3120 MODELL 490513044 490513044 OUTPUT: 4-20 MA OPERATING VOLTAGE: 12VDC OPERATING TEMPERATURE AT LEAST: 0 ° C TO +50 ° C PH 0-14 (THE TEMPERATURE OF THE BATH IS UP TO 70 ° C), AND THE CONDUCTIVITY CAN BE MEASURED IN ?S /;