Vaisala HMP4 - Table 50 MMP8 Inputs and Outputs; Table 51 MMP8 Compliance; Table 52 MMP8 Mechanical Specifications

Property Description/Value
IP rating of probe body IP66: Dust-tight. Protected from powerful water
jets from any direction.
Ball valve
Operating temperature Up to +120 °C (+248 °F)
Operating pressure Up to 40 bar (0 … 580 psia)
Table 50 MMP8 inputs and outputs
Property Description/Value
Operating voltage 15 … 30 V DC
Current consumption 10 mA typical
Digital output RS-485, non-isolated
Protocols Modbus RTU
Output parameters Relative saturation (%RS)
Temperature (°C)
Water activity
Water mass fraction (ppm
w
)
Table 51 MMP8 compliance
Property Value/Description
EU directives EMC Directive (2014/30/EU)
RoHS Directive (2011/65/EU)
EMC compatibility EN 61326‑1, industrial environment
Compliance marks CE, China RoHS, RCM, WEEE
Table 52 MMP8 mechanical specifications
Property Description/Value
Connector M12 5-pin A-coded male
Weight 510 g (18.0 oz)
Filter options Stainless steel grid standard filter
Stainless steel grid filter for high flow rates (> 1
m/s)
Probe cable length 2 m (6.56 ft)
HMP Series with MMP8 and TMP1 User Guide M212022EN-F
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