KROHNE H250 M8-M9-M10 EN - Manual (Page 71)

TECHNICAL DATA
8
71
H250
www.krohne.com 04/2011 - 4000269302 MA H250-R02 en
M9 ESK-Z totalizer
M9 ESK2A process variable
ESK2A process variable flow rate Values [%] Signal output [mA]
Over range +102.5 (±1%) 20.24...20.56
Device error identification > 106.25 >21.00
Maximum 131.25 25
Multidrop operation - 4.5
Min. U
ext.
12 VDC
Terminal connection 2.5 mm 2
Power supply 10...30 VDC
R
ext.
current loop 0...600 Ohm
Power consumption max. 2.5 Watt
Indication error < 1% in relation to the value displayed
Max. reset voltage 30 VDC
Min. reset pulse 300 ms
Software firmware version 1.19
Power supply 10...30 VDC
Max. current 50 mA
Max. dissipation 250 mW
T on 80 ms fixed pulse width
T off depending on flow rate
U on Ub – 3 VDC
U off 0 VDC
Pulse value 1 pulse = 1 display counter advance (1 litre, 1 m 3 ...)
MA_H250_R02_en_269302_PRT.book Page 71 Tuesday, April 12, 2011 10:17 AM