Product Handbook 2026 - Volume 1

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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