Proline Prowirl R 200 HART Technical data
Endress+Hauser 185
Overvoltage protection The device can be ordered with integrated overvoltage protection for diverse approvals:
Order code for "Accessory mounted", option NA "Overvoltage protection"
Input voltage range Values correspond to supply voltage specifications → 183
1)
Resistance per channel 2 ⋅ 0.5 Ω max.
DC sparkover voltage 400 to 700 V
Trip surge voltage < 800 V
Capacitance at 1 MHz < 1.5 pF
Nominal discharge current
(8/20 μs)
10 kA
Temperature range –40 to +85 °C (–40 to +185 °F)
1) The voltage is reduced by the amount of the internal resistance I
min
⋅ R
i
Depending on the temperature class, restrictions apply to the ambient temperature
for device versions with overvoltage protection .
For detailed information on the temperature tables, see the "Safety Instructions" (XA)
for the device.
16.6 Performance characteristics
Reference operating
conditions
• Error limits following ISO/DIN 11631
• +20 to +30 °C (+68 to +86 °F)
• 2 to 4 bar (29 to 58 psi)
• Calibration system traceable to national standards
• Calibration with the process connection corresponding to the particular standard
To obtain measured errors, use the Applicator sizing tool → 171
Maximum measured error Base accuracy
o.r. = of reading
Re
min
Re
max
Re
Re
max
A2
A1
-A1
-A2
Re
1
Re
2
A0034077
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