Analog Input Channels 4, 3-wired lnput Type Pt, Balco and Ni RTD Resolution* 16-bit with accuracy 0.1% of Full Scale Range Sampling Rate* 10 samples/sec. (total) Accuracy* ±0.1% of Full Scale Range Input Impedance* >1MΩ Burn-out Detection Yes CMR @ 50/60 Hz* 90 dBs Span Drift* ±25 PPM/°C Zero Drift* ±6 μV/°C Isolation Protection 2,500 VDC