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OPERATING MANUAL HPC & UMC4
4.3.4 Accuracy
Mass flow
Fluids
Accuracy HPC-S01 to HPC-S03
± 0.1 % of actual flow ± zero point stability (see Section 4.3.2
HPC flow ranges)
± 0.05 % of actual flow ± zero point stability with special calibra-
tion (see Section 4.3.2 HPC flow ranges)
Repeatability error
± 0.05% of actual flow (sensor with transmitter) ± ½ zero point
stability (see Section 4.3.2 HPC flow ranges)
Mass flow
Gases
Accuracy HPC-S01 to HPC-S03
± 0.5 % of actual flow ± zero point stability (see Section 4.3.2
HPC flow ranges)
Repeatability error
± 0.25 % of actual flow (sensor with transmitter) ± ½ zero point
stability (see Section 4.3.2 HPC flow ranges)
Additional measured values
Volume flow
± 0.2 % of actual value + zero point stability
Temperature
± 0.5 °C
Hysteresis
n/a
Settling time
1 to 15 seconds
Startup drift
15 minutes
Long-term drift
± 0.02 % of upper-range value per year
Influence of ambient temperature
± 0.005 % per K
Influence of fluid temperature
Compensated
Influence of fluid pressure
For fluids: too small to be relevant
4.3.5 Pressure loss HPC
Model
min. range
max. range
Pressure loss (Water (20°C), 1 mPas)
HPC-S01
2 kg/h
20 kg/h
2 kg/h
6 kg/h
10 kg/h
16 kg/h
20 kg/h
[0,1 lbs/min]
[0,7 lbs/min]
[0,1 lbs/min]
[0,2 lbs/min] [0,4 lbs/min] [0,6 lbs/min] [0,7 lbs/min]
0,03 bar
0,09 bar
0,15 bar
0,16 bar
0,25 bar
HPC-S02
5 kg/h
50 kg/h
5 kg/h
15 kg/h
25 kg/h
35 kg/h
50 kg/h
[0,2 lbs/min]
[1,8 lbs/min]
[0,2 lbs/min]
[0,6 lbs/min] [0,9 lbs/min] 1,3 lbs/min] [1,8 lbs/min]
0,01 bar
0,04 bar
0,05 bar
0,10 bar
0,20 bar
HPC-S03
16 kg/h
160 kg/h
16 kg/h
48 kg/h
80 kg/h
128 kg/h
160 kg/h
[0,6 lbs/min]
[5,9 lbs/min]
[0,6 lbs/min]
[1,8 lbs/min] [2,9 lbs/min] [4,7 lbs/min] [5,9 lbs/min]
0,01 bar
0,11 bar
0,30 bar
0,73 bar
1,13 bar
4.3.6 Ambient temperature range
− 20 °C to + 60 °C (-4 °F to 140 °F)
4.3.7 Storage temperature
− 40 °C to + 80 °C (-40 °F to 140 °F)
4.3.8 Climatic category
In conformity with IEC 654-1. Unsheltered class D locations with direct open-air climate.
4.3.9 Ingress protection
Standard version: IP 65 (NEMA 4) DIN EN 60529.
