Endress+Hauser Waterpilot FMX21 - Page 128

Technical data Waterpilot FMX21
128 Endress+Hauser
16.3.4 Long-term stability
FMX21 + Pt100 (optional)
• ≤ 0.1 % of URL/year
• ≤ 0.25 % of URL/5 years
TMT182 temperature head transmitter (optional)
≤ 0.1 K per year
16.3.5 Influence of medium temperature
• Thermal change in the zero output and the output span:
0 to +30 °C (+32 to +86 °F): < (0.15 + 0.15 x TD)%
–10 to +70 °C (+14 to +158 °F): < (0.4 + 0.4 x TD)%
• Temperature coefficient (T
K
) of the zero output and the output span
–10 to +70 °C (+14 to +158 °F): 0.1 % / 10 K URL
16.3.6 Warm-up period
FMX21 + Pt100 (optional)
• FMX21: < 6 s
• Pt100: 20 m
TMT182 temperature head transmitter (optional)
4 s
16.3.7 Response time
FMX21 + Pt100 (optional)
• FMX21: 400 ms (T90 time), 500 ms (T99 time)
• Pt100: 160 s (T90 time), 300 s (T99 time)