WIKA LH-20 Manual De Instrucciones página 25

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8 Supplement
Voltage supply
Operating voltage 4 ... 20 mA
Ʋ Deviation < 0.2 %
Ʋ Deviation < 0.1 %
Operating voltage 4 ... 20 mA/HART
Permissible residual ripple
Ʋ < 100 Hz
Ʋ 100 Hz ... 10 kHz
Reverse voltage protection
load max.
Integrated overvoltage protection
Nominal leakage current (8/20 µs)
Min. response time
Electrical protective measures
Protection transmitter
Overvoltage category
Protection class
CE conformity
ATEX 94/9/EG (optional)
4 ... 20 mA:
EMC directive 2004/108/EG, EN 61326 Emission (group 1, class B) and interference resistance
(industrial area)
4 ... 20 mA/HART:
EMC directive 2004/108/EG, EN 61326 Emission (group 1, class A) and interference resistance
(industrial area)
Warning:
according to EN 55011 or CISPR 11
This is an equipment of class A for emitted interference and is designed for use in
industrial environment. In other environments such as e.g. in living or business areas, this
equipment can interfere other instruments.
WIKA Operating instructions - Submersible pressure transmitter model LH-20
8 ... 30 V DC
9.6 ... 30 V DC
9.6 ... 30 V DC
U
< 1 V
ss
U
< 10 mV
ss
Integrated
≤ (U
-10 V)/0.022 A
B
5 kA
< 25 ns
IP 68 (30 bar)
III
III
25

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