XLINK 500/100 Operations & Maintenance Manual page # 33
Linear delta T range of ± 40°C. Approximation error is ±1.20°C.
Temp (°C) = 25.851 * X*1000 – 0.612 + Terminal_temp
3
rd
order Poly delta T range of ± 20°C. Approximation error is ±0.01°C
Temp (°C) = Poly((X*1000), (Terminal_temp + 0.0051), 25.881, -0.688, 0.0277)
3
rd
order Poly delta T range of ± 40°C. Approximation error is ±0.03°C
Temp (°C) = Poly((X*1000), (Terminal_temp + 0.0234), 25.868, -0.755, 0.0616)