Add to Cart ACI A/TTM1K-RA-18"-4-GD ACI MSRP: Now: $268.71 Was: Transmitter w/ 1,000 Ohm RTD (NIST Cert), Rigid Probe Averaging, 18", Galvanized Enclosure, 4-20mA Output A/TTM1K-RA-18"-4-GD