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

DMP Series User Guide

Document code
M212357EN
Revision
D
Language
English
Product
DMP5
DMP6
DMP7
DMP8
DMPX
Document type
User guide
Table 1. DMP7 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 ±2 °C (±3.6 °F) Td/f

See accuracy graph

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. DMP7 dew point accuracy vs. measurement conditions
Table 2. DMP7 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 … 10 bar (0 … 145 psia)
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 10 bar/145 psia

Table 3. DMP7 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. DMP7 mechanical specifications
Property Description/Value
Connector M12 5-pin A-coded male
Weight 310 g (10.9 oz) with 2 m (6.56 ft) cable
Probe cable length 2 m (6.56 ft) or 10 m (32.80 ft)
Materials
Probe AISI 316L
Probe body AISI 316L
Cable jacket FEP
Figure 2. DMP7 dimensions
1 Tested with sintered filter.
2

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