Flowmetering Flowmetering ancillaries 3
Available options Both versions of the M850 series have the same functions and are available as follows: M850-P for panel mounting and is powered by 24 Vdc. M850-W for wall mounting and has been adapted to be powered by 100 / 240 Vac.
Additionally , each version can be optionally equipped with one or two analog outputs 4-20 mA.
Offered versions of the instruments: M850 -x -x -x -P
Panel mounted version . (CE and cULus approved as standard)
-W
Wall mounted version (CE approved as standard, cULus approval optional)
-0
Option without analog 4 - 20 mA output .
-1
Option with one analog 4 - 20 mA output .
-2
Option with two analog 4 - 20 mA outputs .
-UL
Option with cULus approval (required for wall mount version only)
3.5 2
Technical data for the M850 series flow computers
User interface, front panel
Display type
LCD TFT color, 3.5", with LED backlight
Display size / resolution
43.8 mm x 77.4 mm / 272 (RGB) x 480 px,
LED indication
3 two-color LEDs, red / green: ALARM, REC, USB
Keyboard
19 membrane buttons
Inputs organisation
IN1, IN2, IN3, IN4, IN5, IN6
6 x I type (0 / 4 - 20 mA):
Number of inputs
3 x RTD (4-wire):
IN7, IN8, IN9
3 x PULS:
IN10, IN11, IN12
Technical data for the M850 series flow computers continued on next page
TI-P333-29 EMM Issue 5
Page 2 of 10
M850-W and M850-P Flow Computers
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