DMP8 specifications - DMP5 - DMP6 - DMP7 - DMP8 - DMPX

DMP Series User Guide
Document code
M212357EN
Revision
E
Language
English
Product
DMP5
DMP6
DMP7
DMP8
DMPX
Document type
User guide
Table 1. DMP8 measurement performance
Property Description/Value
Dew point
Sensor DRYCAP® 180M
Measurement range −70 … +80 °C (−94 … +176 °F) Td/f
Measurement range for continuous use −70 … +45 °C (−94 … +113 °F) Td/f
Accuracy up to 20 bar/290 psia

±2 °C/±3.6 °F Td/f

See accuracy graph
Accuracy, 20 … 40 bar/290 … 580 psia Additional inaccuracy +1 °C Td/f
Response time 63 % [90 %] 1:
From dry to wet 5 s [15 s]
From wet to dry 45 s [8 min]
Temperature
Measurement range 0 … +80 °C (+32 … +176 °F)
Accuracy ±0.2 °C at room temperature
Temperature sensor Pt100 RTD Class F0.1 IEC 60751
Relative humidity
Measurement range 0–70 %RH
Accuracy (RH <10 %RH, at + 20 °C) ±0.004 %RH + 20% of reading
Concentration by volume (ppm)
Measurement range (typical) 10–2500 ppm
Accuracy (at + 20 °C, 1 bar) 1 ppm + 20% of reading
Figure 1. DMP8 dew point accuracy vs. measurement conditions
Table 2. DMP8 operating environment
Property Description/Value
Operating temperature for probe head −40 … +80 °C (−40 … +176 °F)
Operating temperature for probe body −40 … +80 °C (−40 … +176 °F)

Storage temperature

 −40 … +80 °C (−40 … +176 °F)
Operating pressure for probe head 0–40 bar (0–580 psi), absolute
Measurement environment

For air, nitrogen, hydrogen, argon, helium, oxygen 2, and vacuum
IP rating for probe body

IP66: Dust-tight. Protected from powerful water jets from any direction.
Mechanical durability of probe head

Up to +180 °C (+356 °F)

Up to 70 bar/1015 psi, absolute
Table 3. DMP8 inputs and outputs
Property Description/Value
Operating voltage 15–30 V DC
Current consumption 10 mA typical, 500 mA max.
Digital output RS-485, non-isolated
Protocols Modbus RTU
Table 4. DMP8 mechanical specifications
Property Description/Value
Connector M12 5-pin A-coded male
Weight (with a 2-m cable) 512 g (18.1 oz)
Probe cable length 2 m (6.56 ft)
Materials
Probe AISI 316L
Probe body AISI 316L
Cable jacket FEP
Figure 2. DMP8 dimensions
1 Tested with sintered filter.
2

Consult Vaisala if other chemicals are present. Consider safety regulations with flammable gases.