Temperature controller Features: High accuracy, reasonable price and easy operation Self-diagnosis function Fuzzy pid autotuning function is supplied as standard 1 ramp 1 dwell, and dwell time Soft start Input/output, isolated Fully configurable for t/c, rtd or linear Adjustable pv offset Heat/cool bimode output 1 alarm standard, optional 3nd alarm with 17 alarm models Pv, sv value, re-transmitter. Remote setpoint Switching power supply, ac85-265v 50/60hz or dc24v Preventive water, dust. (optional) P900 series process controllers 3 control patterns: 1 8-segment, 2 8-segment and 1 16-segment, can be chosen freely. Rs485 communication function, emi/esd protective function Measuring accuracy: ía0.5Ñfs (ía0.2Ñfs available) No need for backup battery, can memory information above 10 years Main technical index: External dimension and holing size (unit: mm