Endress+Hauser PHX20 - Error Messages and Programming; PHX20 Specifications; PHX21 Hazardous Area Use

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• Error message:
HI: overranging
LO: underranging
• Programming: by means of 2 keys, menu-guided, scaling of display
range, decimal point, damping, error message
• Degree of protection: IP 65
• Temperature effect on display: 0.1% / 10 K
• Storage temperature: -30...+80°C
• Electromagnetic compatibility (EMC): interference emission as per
EN 50081, interference immunity as per EN 50082
PHX20
• Permitted current load: max. 60 mA
• Ambient temperature range: 0...+60 °C
• Housing material: plastic Pa6 GF30, blue
Front screen made of PMMA, red
PHX21 When the PHX21 is used in hazardous areas, the following applies
(see also ATEX Safety Instructions XA278P):
• Ex degree of protection: Ex II 2G EEx ib IIC T4
• Voltage U
i
: 28 V DC
• Current I
i
: 100 mA
• Power P
i
: 0.9 W
• Effective inner capacitance C
i
: negligible
Effective inner inductance L
i
: negligible
en