The ATA120 is our resistance temperature sensor trip amplifier suitable for SIL 1, 2 & 3 applications
| Input | Single channel |
Double channel | ||
|---|---|---|---|---|
| Single Trip |
Double Trip | Single Trip |
Double Trip |
|
| Single | ATA121 | ATA122 | ATA123 | ATA128 |
| Differential |
ATA125 | ATA126 | ATA127 | |
Our ADT181 is a Frequency Input Single Output Trip Amplifier which is suitable for SIL1 & SIL2 (EN 61508-2) safety instrumented system (SIS) loop applications, as 1oo1 architecture (HFT:0).  
Our ADT131DITXP is a Cycle Timer Input Single Output Trip Amplifier with Hours Run Display suitable for use in application for SIL1 and SIL2 (1oo1 architecture) with a supply voltage…
Our ADT128 is a Din Rail Mounted Thermocouple Quad Trip Amplifier which is suitable for combinations of process inputs and SIL1, SIL2 & SIL3 rated safety loop applications. RFI Protection…
Our ADT135DI is a Din Rail Mounted Pump/Level Control Input Trip Amplifier with Display that is suitable for SIL1, SIL2 and SIL3 rated safety loop applications and any process input.