Not available Chargeable option Standard Features: Standard AMELEC product Chargeable option including metal enclosure Fully insulated - Input(s)/ Contacts(s)/ Supply/ Earth Non-chargeable option Dual input unit         Function Option General Notes Suffix (click)         X X X Thermocouple AST111 Types: B,E,J,K,N,T,R,S. AST112 Millivolt AST115 From 0-5mV to 0-400mV AST116 RTD AST121 2,3 or 4 wire connection AST122 Process AST131 Voltage 1/P Z 1MOhm AST132 Current 400mV drop Slidewire AST141 Conventional or conductive plastic AST142 2,3 or 4 wire connection