... directly converted into 4 ~ 20mA current output, using an ordinary signal transmission cable can eliminate costly wire compensation. 5. ... Specification:Power Supply13~30V,DCLoad Resistance0~850ΩOutput Signal 4~20mAError±0.2%,±0.5%DisplayLCDAmbient temperature-20 ... proof signdBT4Protection RatingIP54Cold junction compensationCU50Cold junction compensation error0.5%/10Input Signal B, E, J, K, N, R, S, ...