Spirax SARCO Flow Calculator M850-W-2
Brief introduction. The M850 is a flexible, easy-to-use flow computer that accurately calculates mass flow and energy for vapors, gases, and liquids in a variety of applications.
Standard. The product complies with European directives and can be marked as required.
The M850 is available with the following certificates:
Manufacturer's Typicality Test Certificate.
Certificate of Uncertainty Inspection Report.
Note: All required certificates must be stated at the time of placing the order.
Two versions of the M850.
M850-P: Panel type, driven by 24VDC;
M850-W: Wall-mounted, suitable for 100 240VAC drive.
Instrument version. 0 Without 4-20mA analog output.
1 With a 4-20mA analog output.
2 With two 4-20mA analog outputs.
User interface, front panel.
Display Method: Liquid crystal film color, 35", LED backlight.
Display size Resolution 438 mm x 77.4 mm 272 (RGB) x 480 px, LED indication 3 bi-color LCD, red green, alarm, REC, USB indicator
Keyboard 19 buttons.
Binary output (M850-W-X).
Number of outputs 4
Output type: 3-electrode (COM, NO, NC) electromechanical relay.
Contact class (resistive load) AC voltage 85....250V DC voltage, 30V, 3A
Maximum conversion voltage: AC voltage: 250V, DC voltage: 125V
Maximum conversion power 750 VA 90 W
Power supply (M850-W-X).
Rated voltage: AC 100-240V;50/60hz
Voltage range AC 85....264v；47…63hz
Power supply max. 20VA
Housing (M850-W-X).
Enclosure form wall-mounted, polycarbonate material.
Dimensions (height, width, thickness) 216mm, 260mm, 125mm (without cable glands).
246mm 260mm 125mm (cable gland).
290mm 300mm 165mm (in carton).
Total weight approx. 17kg（2.1kg）
IP65 degree of protection
Environmental conditions. Ambient temperature 0 ...55°c (32 ..131°f)
Relative humidity 5 ...95% (non-condensing).
Altitude 2000m (6562 inches) above sea level
Storage temperature -30 ...70°c
Overvoltage Category III
Contamination 3 Panel type (installed in the enclosure) 3 Wall mounted.
LVD (Safety) Electrical Safety EN 61010-1:2010
EMC exempts EN 61326-1:2006 Table 2, EN 55011 and EN 55022, Immunity to Radiation and Electronic Interference Class B Standards.
Spirax SARCO Flow Calculator M850-W-2