MMP8 specifications - HMP1 - HMP3 - HMP4 - HMP5 - HMP7 - HMP8 - HMP9 - HMPX - MMP8 - MMPX - TMP1 - TMPX

HMP Series with MMP8 and TMP1 User Guide
Document code
M212022EN
Revision
K
Language
English
Product
HMP1
HMP3
HMP4
HMP5
HMP7
HMP8
HMP9
HMPX
MMP8
MMPX
TMP1
TMPX
Document type
User guide
Table 1. MMP8 measurement performance
Property Description/Value
Water activity
Measurement range 0–1 aw
T90 response time 1 10 min
Sensor HUMICAP® 180L2
Accuracy 2

±0.01 aw (±1 %RS)
Water concentration in oil
Typical accuracy 10 % of the reading
Temperature
Measurement range −40 … +180 °C (−40 … +356 °F)
Accuracy at +20 °C (+68 °F) ±0.2 °C (0.36 °F)
Figure 1. MMP8 Aw measurement accuracy
Table 2. MMP8 operating environment
Property Description/Value
Operating temperature of probe head −40 … +180 °C (−40 … +356 °F)
Operating temperature of probe body −40 … +80 °C (−40 … +176 °F)
Storage temperature range −40 … +80 °C (−40 … +176 °F)
Operating pressure range 0–40 bar (0–580 psi), absolute
Installation pressure Up to 10 bar (145 psi), absolute
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 (580 psi), absolute
Table 3. 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 concentration in oil (ppmw)
Table 4. MMP8 compliance
Property Value/Description

EU directives and regulations

EMC Directive (2014/30/EU)

RoHS Directive (2011/65/EU) amended by 2015/863

Electromagnetic compatibility (EMC)

EN 61326‑1, industrial environment

Compliance marks

CE, China RoHS, RCM

Type approvals

DNV GL certificate no. TAA00002YT3
Table 5. MMP8 mechanical specifications
Property Description/Value
Connector M12 5-pin A-coded male
Weight (with a 2-m cable)

262-mm-long MMP8: 510 g (18.0 oz)

448-mm-long MMP8: 610 g (21.5 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)
Adjustable installation depth

262-mm-long MMP8: 35–193 mm (1.37–7.59 in)

448-mm-long MMP8: 35–379 mm (1.37–14.92 in)
Materials
Probe AISI 316L
Probe body AISI 316L
Cable jacket FEP
Figure 2. MMP8 dimensions
1 At +20 °C (+68 °F) in still oil.
2 In range 0–0.5 aw, including non-linearity, hysteresis, and repeatability. See accuracy graph below.
3 DNV GL certificate applies to the 262-mm-long MMP8 model only, not to the 448-mm-long model.