infrared temperature sensor ExTemp intrinsically safe 2-wire 4 ~ 20mA output , optical 2: 1 , temperature range -20 ° C to 100 ° C . 5m cable length .
infrared temperature sensor ExTemp intrinsically safe 2-wire 4 ~ 20mA output , optical 2: 1 , temperature range -20 ° C to 100 ° C . 5m cable length .