KROHNE H250 M8-M9-M10 EN - Manual (Page 10)

2
DEVICE DESCRIPTION
10
H250
www.krohne.com 04/2011 - 4000269302 MA H250-R02 en
2.2 Device version
• H250 with indicator M9
• H250 with indicator M10
• H250 with indicator M8
1 H250/RR/M9
• Local indication without auxiliary power supply
• max. 2 limit switches, type NAMUR, NAMUR safety-oriented or transistor (3-wire)
• 2-wire current output 4…20 mA, HART ® or Profibus-PA communication
• 6-digit flow counter (non Ex)
• Limit switches and signal output - optional intrinsically safe
2 H250/RR/M10
• Explosion proof enclosure
• 2 digital adjustable limit switches, 2-wire open collector or type NAMUR
• 2-wire current output 4…20 mA, HART ® communication
• Pulse output up to 10 Hz (also for electro-mechanical counters)
• 12-digit flow counter with external resetting (batch operation)
The following designs are available as options:
• H250 with indicator M9 as high-temperature version HT
• H250 with indicator M9 with added impact and corrosion protection (special paint finish)
• H250 with indicator M9 in Stainless Steel housing
Figure 2-2: Versions M9 and M10
MA_H250_R02_en_269302_PRT.book Page 10 Tuesday, April 12, 2011 10:17 AM