Vaisala DMP8 User Manual

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M212356EN-A
Quick Guide
Vaisala Indigo Compatible
Dew Point and Temperature Probes
DMP5, DMP6, DMP7, DMP8
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PUBLISHED BY
Vaisala Oyj Vanha Nurmijärventie 21, FI-01670 Vantaa, Finland P.O. Box 26, FI-00421 Helsinki, Finland +358 9 8949 1
Visit our Internet pages at www.vaisala.com.
© Vaisala Oyj 2019
No part of this document may be reproduced, published or publicly displayed in any form or by any means, electronic or mechanical (including photocopying), nor may its contents be modified, translated, adapted, sold or disclosed to a third party without prior written permission of the copyright holder. Translated documents and translated portions of multilingual documents are based on the original English versions. In ambiguous cases, the English versions are applicable, not the translations.
The contents of this document are subject to change without prior notice.
Local rules and regulations may vary and they shall take precedence over the information contained in this document. Vaisala makes no representations on this document’s compliance with the local
rules and regulations applicable at any given time, and hereby disclaims any and all responsibilities related thereto.
This document does not create any legally binding obligations for Vaisala towards customers or end users. All legally binding obligations and agreements are included exclusively in the applicable supply contract or the General Conditions of Sale and General Conditions of Service of Vaisala.
This product contains software developed by Vaisala or third parties. Use of the software is governed by license terms and conditions included in the applicable supply contract or, in the absence of separate license terms and conditions, by the General License Conditions of Vaisala Group.
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Table of Contents

Product Overview..............................................................................................3
Probe Structure............................................................................................................................3
Basic Features and Options......................................................................................................3
Output Parameters......................................................................................................................4
Installation...........................................................................................................5
DMP5 Probe........................................................................................................ 6
Installing with Mounting Flange 210696............................................................................... 7
DMP6 Probe........................................................................................................ 8
Installing Probe Head with Cooling Set DMP246CS.........................................................10
Cooling Set Installation Example...........................................................................................12
DMP7 Probe.......................................................................................................13
DMP8 Probe.......................................................................................................15
Tightening the Clasp Nut..........................................................................................................17
Attaching Ball Valve Kit to Process.......................................................................................18
Wiring................................................................................................................ 20
Attaching Probe to Indigo 200 Series Transmitter..................................21
Vaisala Insight Software.................................................................................22
Connecting to Insight Software.............................................................................................22
Modbus...............................................................................................................23
Default Communication Settings..........................................................................................23
Measurement Data Registers.................................................................................................23
Diagnostic Data Registers.......................................................................................................24
Configuration Registers...........................................................................................................25
Test Value Registers..................................................................................................................25
Technical Support............................................................................................26
More Information.......................................................................................................................26
Warranty......................................................................................................................................26
Recycling..................................................................................................................................... 26
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Product Overview

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2
3
4
5
6
7
8
DMP series probes are dew point and temperature measurement probes with a digital output (Modbus protocol). The probes are designed for demanding dew point measurement applications. The probes have a two-part structure, with measurement electronics contained in the probe body and sensor(s) in the probe head. The probe body and the probe head are connected by a cable. Length options for this connecting cable depend on the probe model.
The probes are compatible with Vaisala Indigo transmitters. They can also be connected to Vaisala Insight software for configuration, calibration, diagnostics, and temporary online monitoring.

Probe Structure

Figure 1 Probe Parts
1 Protection cap (remove before use) 2 5-pin M12 connector 3 Probe body with type label 4 Status indicator:
Green Power on and probe online,
Red Error
O Power o or indicator
5 Probe cable (do not cut) 6 Probe head (DMP7 model shown) 7 Location of sensors on the probe head.
DMP series probes have a removable filter over the sensors that can be replaced if it gets dirty or damaged.
8 Protection cap (remove before use)

Basic Features and Options

• Comprehensive list of output parameters. For example: relative humidity, temperature, dew point temperature, wet-bulb temperature, absolute humidity, mixing ratio, water vapor pressure, enthalpy. See Output Parameters (page 4).
• Sensor purge provides superior chemical resistance
• Sensor warming function minimizes condensation on sensor
• Traceable calibration certificate
• Standalone Modbus RTU over RS-485
• Compatible with Indigo series of transmitters
• Can be connected to Vaisala Insight PC software for configuration, calibration, diagnostics, and temporary online monitoring
flashes when communicating
disabled
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Output Parameters

Values of all available output parameters are always locked (showing the latest valid value) when chemical purge, autocalibration, or extra heat functions are active.
Output parameter is available Output parameter is unavailable during sensor warming unless temperature is written to register 0334
Output parameter is not available on this model
Table 1 Availability of Output Parameters
Output Parameter Output Unit DMP5 DMP6 DMP7 DMP8
Relative humidity %RH
Temperature °C
Dew point temperature °C
Dew/frost point temperature °C
Dew/frost point temperature at 1 atm
Dew point temperature at 1 atm °C
Absolute humidity
Mixing ratio g/kg
Water concentration ppm
Water vapor pressure hPa
Water vapor saturation pressure
Enthalpy kJ/kg
Dew point temperature
dierence
Absolute humidity at NTP
Water mass fraction ppm
from an external source
hex
°C
3
g/m
v
hPa
°C
3
g/m
w
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Installation

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2
3
4
When you choose the installation location for the probe, consider the following:
• Verify the operating environment specification of the probe model. The probe head typically has a much wider operating temperature range than the probe body.
• If the temperature of the measured environment diers greatly from ambient temperature, the entire probe head and preferably plenty of cable must be inside the measured environment. This prevents measurement inaccuracy caused by heat conduction along the cable.
• Probe mounting options are model-specific.
Figure 2 Example Installation
Mount the probe head horizontally to prevent any water condensing on the probe head
1
from running to the sensors.
2 Let the cable hang loosely to prevent condensed water from running along the cable to
the probe body or probe head.
3 Attach the probe body to a wall or other surface using the two mounting clips (Vaisala
item 243257SP) supplied with the probe. Each clip attaches to the installation surface with one screw (screw hole Ø 4.2 mm).
4 Cable to Modbus master or Indigo transmitter.
CAUTION!
vibration. Use other methods to secure the probe body if necessary. For example, attach the probe body using a cable tie.
The supplied mounting clips are not designed to withstand strong
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DMP5 Probe

mm [in]
136 [5.35]
Ø 25
[0.98]
M12/5
41 [1.61]
242 [9.53]
192 [7.56]
Ø 12
[0.47]
Ø 13.5
[0.53]
Ø 5
[0.2]
Probe cable 2 m [6.56 ft] or 10 m [32.8 ft]
Figure 3 DMP5 Dimensions
Vaisala DRYCAPâ Dew Point and Temperature Probe DMP5 is designed for humidity measurement in applications with high temperatures. The long and robust steel probe and an optional installation flange allow easy installation with adjustable depth through insulation, for example, in ovens.
DMP5 is built for direct measurement in hot and dry processes, up to +180 °C (+356 °F). As the probe can be directly placed in the process, there is no need for a sampling system or trace heating. As a result, high measurement accuracy and constancy are maintained. DMP5 provides unmatched dry-end measurement accuracy at temperatures up to 140 °C; however, it can operate safely at temperatures up to 180 °C.
• Operating temperature of probe body −40 … +80 °C (−40 … +176 °F)
• Operating temperature of probe head −40 ... +180 °C (−40 ... +356 °F)
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Installing with Mounting Flange 210696

75 [2.95]
50 [1.97]
Drilling 16 ... 22
[0.63 ... 0.87]
105 ... 200 [4.1 ... 7.87]
1
2
3
4
5
mm [in]
Mounting flange 210696 is designed for attaching Ø13.5 mm probe heads through the wall of a process chamber or duct. The flange kit includes a flange, a sealing ring, and screws.
1 Wall of chamber or duct 2 Flange 3 Sealing ring 4 Self-tapping screws (B 4.2×16 DIN 7981) 5 Probe
When the temperature dierence between the process or duct and the surroundings is large, insert the probe head as deep in the process or duct as possible. This prevents errors caused by heat conduction along the probe cable.
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DMP6 Probe

136 [5.35]
Ø 25
[0.98]
M12/5
357 [14.1]
334.5 [13.17]
Ø 11
[0.43]
Probe cable 2 m [6.56 ft]
Ø 5
[0.2]
mm [in]
304 [11.97]
164 [6.46]112.5 [4.43]
15 [0.59]
8 [0.31]
27.5
[1.08]
40.6 [1.6]
Cooling fins
120 [4.72]
Ø 20 [0.79]
Ø 89 [3.5]
Ø 118 [4.65]
Mounting flange
Ø28 [1.1]
Ø 89 [3.5]
Screen tube
mm [in]
Figure 4 DMP6 Probe Dimensions
Figure 5 Cooling Set DMP246CS Dimensions
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Vaisala DRYCAPâ Dew Point Probe DMP6 is designed for humidity measurement in industrial
100
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
150 200 250 300 350
Temperature of measured gas (°C)
Dew point temperature (°C)
Range without cooling fins
Range with cooling fins
applications with very high temperatures. High temperature tolerance is achieved using a passive cooling set that conducts heat away from the probe and reduces temperature to optimal range for the sensor.
• Operating temperature of probe head 0 … +350 °C (+32 ... +662 °F)
• Operating temperature of probe body −40 … +80 °C (−40 … +176 °F)
DMP6 is built for direct measurement in temperature range 0 … +350 °C (+32 … +662 °F). There is no need for a sampling system or trace heating. To tolerate these high temperatures the probe head is inserted inside a cooling set that provides passive cooling. The cooling set has removable cooling fins that allow the operating temperature profile of the probe to be adjusted so that adequate cooling is provided for each application. The cooling system has no moving parts, and requires no additional power or cooling utilities, so there is no risk of sensor damage due to mechanical cooling failure.
Figure 6 Operating Range of Probe Head
Make sure that the upper limit of the dew point measurement range is not exceeded in low temperatures as this will lead to condensation.
You can read diagnostic measurement data from the probe using Insight software (Diagnostics page) or Modbus protocol (diagnostic data registers) and use it to verify your installation:
Sensor temperature must never exceed +180 °C (+356 °F) even in exceptional process conditions.
• Allow the probe to stabilize after installation in the cooling set, and check the Sensor saturation ratio. If the value is below 20 %, install the cooling fins on the cooling set (unless already installed).
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Installing Probe Head with Cooling Set DMP246CS

mm [in]
Ø 105 [4.13]
max.
50 [1.97] 125 [4.92]
8 [0.31]
2
[0.08]
Ø 89 [3.50]
Ø 118 [4.65]
1 2 3 4
• Welding equipment
• Equipment for making a hole to the process wall
• 5-mm Allen key
• 2-mm Allen key
Figure 7 DMP246CS Cooling Set Mounting Flange
Lengthening piece for thick walls (not included)
1 2 Welding point 3 Mounting tube 4 Mounting screws (4 pcs, M6×16 DIN 912)
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172 [6.77]22 [0.87] 104.5 [4.11]
1 2 3 4 5
mm [in]
Figure 8 DMP246CS Cooling Set without Mounting Flange
1 Cooling bush 2 Flange 3 Cooling bar 4 Locking screws (4 pcs, M4×6 DIN 916) 5 Mounting screws of the cooling fins (M6×60 DIN 912
1. Make a round 89.5 + 0.5 mm (3.52 + 0.02 in) hole in the process wall. Install the cooling set horizontally whenever possible to ensure the best possible cooling performance.
2. If the process wall is more than 125 mm (4.92 in) thick, weld a lengthening piece (max. 50 mm (1.97 in)) to the mounting tube.
3. Weld the tube of the mounting flange tightly to the inner metal plate of the process wall.
4. Attach the cooling set to the mounting flange and use a 5-mm Allen key to tighten the mounting screws. Proper tightening of the mounting screws is important for good thermal contact.
5. If the process chamber is in use or otherwise warmer than ambient temperature, let the cooling set warm up before inserting the probe to avoid condensation:
a. Plug the hole of the cooling bar tightly with the plug that is attached to the cooling
set.
b. If installation of the cooling fins is required, attach them at this point to let them warm
up as well. See step 9.
c. Wait for a few hours.
d. Unplug the cooling bar and continue the installation.
6. Use a 2-mm Allen key to loosen the locking screws on the cooling bar.
7. Push the probe head into the cooling bar until it meets the other end and cannot be pushed farther. Approximately 7.5 cm (2.95 in) of the probe head will remain outside the cooling bar.
Do not push or pull from the probe cable.CAUTION!
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8. Tighten the locking screws to lock the probe head in place.
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6
1 2 3
4
9. If installation of cooling fins is required, attach them around the cooling bar using a 5-mm Allen key. Place the cooling fins so that the locking screws are not obstructed. Tighten the two mounting screws so that the fins have good thermal contact with the cooling bar.

Cooling Set Installation Example

Figure 9 Example Installation with Cooling Set DMP246CS
Process chamber, maximum temperature +350 °C (+662 °F)
1 2 Mineral wool or other insulation, total wall thickness is < 125 mm (4.92 in) so no
lengthening piece is welded to mounting tube
3 Space outside process chamber, in ambient temperature 4 Location of dew point sensor when probe head is installed in the cooling set (under
sintered filter)
5 Tube of the mounting flange welded to inner plate of process wall 6 Cooling set attached to mounting flange using mounting screws (4 pcs)
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DMP7 Probe

136 [5.35]
Ø 25
[0.98]
M12/5
41 [1.61]
84 [3.31]
Hex 22 [0.87]
Probe cable 2 m [6.56 ft] or 10 m [32.8 ft]
Ø 12
[0.47]
ISO 1/2” ISO 3/8” or NPT 1/2”
mm [in]
Figure 10 DMP7 Dimensions
Vaisala DRYCAPâ Dew Point and Temperature Probe DMP7 is designed for low-humidity applications. Thanks to its short probe length, it fits in installations with limited space such as semiconductor manufacturing equipment. Other applications include industrial drying, compressed air systems, dry rooms, and blanket gases in metal heat treatment.
• Operating temperature of probe head −40 … +80 °C (−40 … +176 °F)
• Operating temperature of probe body −40 … +80 °C (−40 … +176 °F)
• Operating pressure of probe head 0 … 10 bar (0 … 145 psia)
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See installation instructions provided with the Swagelok installation kit.
mm [in]
21 3 4 5 6
42 [1.65]
84 [3.31]
Figure 11 DMP7 Installation to Pipeline Using a Swagelok Installation Kit
1 Max. process pressure 10 bar (145 psi), max temperature +80 °C (+176 °F) 2 Probe head 3 Duct connector 4 ISO1/2", ISO3/8" or NPT1/2" thread 5 Swagelok connector 6 Ferrules
When installed in a process with a pressure diering from normal atmospheric pressure, input the correct pressure into the pressure compensation setpoint register of the probe. This allows the probe to apply the appropriate pressure compensation into its measurement results.
More Information
Configuration Registers (page 25)
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DMP8 Probe

136 [5.35]
Probe cable 2 m [6.56 ft]
Ø 25
[0.98]
M12/5
Ø 12
[0.47]
41 [1.61]
Ø 13.5
[0.53]
Fitting body ISO1/2” or NPT1/2”
Ø 5
[0.2]
mm [in]
268 [10.55]
230 [9.06]
41 ... 185 [1.16 ... 7.28]
Figure 12 DMP8 Dimensions
Vaisala DRYCAPâ Dew Point and Temperature Probe DMP8 is designed for industrial low­humidity applications such as industrial drying, compressed air systems, and semiconductor industry. It can be installed in a 1/2" NPT or ISO thread with adjustable insertion depth.
An optional ball-valve installation kit allows for inserting or detaching the probe from a pressurized line.
• Operating temperature of probe head −40 … +80 °C (−40 … +176 °F)
• Operating temperature of probe body −40 … +80 °C (−40 … +176 °F)
• Operating pressure of probe head 0 … 4 MPa (0 … 40 bar)
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1
2
3
Figure 13 DMP8 Probe Head
1
2
1 Clasp nut, 24 mm hex nut 2 Fitting body, 27 mm hex head 3 Leak screw (on ISO 1/2" fitting body
HM47432 only)
Fitting body with a leak screw can be useful when the probe head cannot be installed directly in the pressurized process or process pipe. The leak screw allows a small sample flow to escape from the process out to atmospheric pressure, enabling a fast response time although the probe is not installed in the process.
Figure 14 Sealing of Fitting Body into Process
1 Fitting body with 24 mm hex nut and
tapered thread
2 Seal with a suitable thread sealant. For
example, LOCTITEâ No. 542 with activator No. 7649, MEGA-PIPE EXTRA No. 7188, or PTFE tape.
Follow the instructions of the sealant manufacturer. PTFE tape does not lock the parts together. Use two fork wrenches (24 mm and 27 mm) when tightening and opening the clasp nut of the probe.
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Tightening the Clasp Nut

1. Adjust the probe to a suitable depth according to the type of installation.
2. Tighten the clasp nut to finger tightness.
3. Draw a line on the fitting screw and the clasp nut to mark their position.
4. Tighten the nut a further 50 … 60º (1/6 turn) with a wrench. If you have a suitable torque wrench, tighten the nut to max 45 ±5 Nm (33 ±4 ft-lbs). Do not overtighten the clasp nut.
CAUTION!
the probe less tight and may prevent it from going through the clasp nut.
CAUTION!
nuts and screws very carefully to prevent loosening of the probe by the action of pressure.
When installed in a process with a pressure diering from normal atmospheric pressure, input the correct pressure into the pressure compensation setpoint register of the probe. This allows the probe to apply the appropriate pressure compensation into its measurement results.
More Information
Configuration Registers (page 25)
Take care not to damage the probe body. A damaged body makes
In pressurized processes it is essential to tighten the supporting
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Attaching Ball Valve Kit to Process

G1/2
ISO 228/1
Ø21.5 (drilling)
Ø14
Ø14
Ø14
2
3
4
5
1
1 Ball valve handle: must point to the same direction as the ball valve body when installing. 2 Extension nipple, threads G1/2 ISO228/1 and R1/2 ISO7/1. 3 Ball valve body. When tightening the assembly, turn only from the ball valve body. 4 Ball of the ball valve. 5 Welding joint, threads R1/2 ISO7/1.
1. Attach the welding joint to the process pipe or chamber.
2. Apply a sealant (MEGA-PIPE EXTRA No. 7188 or LOCTITEâ No. 542 with activator No.
7649) on the threads of the welding joint and screw the bottom of the ball valve onto the welding joint.
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3. Tighten the ball valve assembly by turning from the ball valve body.
CAUTION!
Tightening the ball valve kit by turning the extension nipple can break the sealing. Tighten the ball valve assembly only from the ball valve body.
4. If you need to cap the ball valve assembly before installing or after removing the probe, attach a blanking nut to close the top of the valve.
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Wiring

1
534
2
RS-485 host
DC power supply
RS-485 +
RS-485 -
RS-485 common
+
-
Pin #1
Power supply
Pin #2
RS-485 -
Pin #3
Power GND
RS-485 common
Pin #4
RS-485 +
Pin #5
Probe
Figure 15 M12 5-pin A-coded Male Connector Pinout
Pin # Function Notes Wire Colors in Vaisala
1 Power supply Operating voltage: 15 ... 30 VDC
Cables
Brown
Current consumption: 10 mA typical, 500 mA max.
2 RS-485 - White
3 Power GND and
Blue
RS-485 common
4 RS-485 + Black
5 Not connected Gray
Figure 16 RS-485 Wiring
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Recommended maximum length of the RS-485 line is 30 m (98 ft).
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Attaching Probe to Indigo 200 Series Transmitter

Figure 17 Attaching the Probe to Indigo 200 Series
1. Insert the probe or the connection cable into the transmitter's connector. Use of connection cable is recommended for strain relief.
2. Turn the locking wheel of the transmitter to lock the probe or cable in place. Do not turn the probe or the cable itself, as that will damage the connectors.
3. If you are using a connection cable, connect the probe to the cable.
4. When the transmitter recognizes the connected probe, it shows a notification message on the display.
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Vaisala Insight Software

Vaisala Insight software is a configuration software for Indigo-compatible devices. With the Insight software, you can:
• See probe information and status
• See real-time measurement
• Record data up to 48 hours and export in CSV format
• Calibrate and adjust the probe
Configure probe features such as measurement filtering, chemical purge, and serial communication
Microsoft Windowsâ operating system and Vaisala USB cable (no. 242659) required.
Download Vaisala Insight software at www.vaisala.com/insight.

Connecting to Insight Software

• Computer with Microsoft Windowsâ operating system and Vaisala Insight software installed
• USB connection cable (no. 242659)
CAUTION!
computer may not be able to supply enough power through its USB ports. Use an externally powered USB hub that can supply >2 W for each port.
Figure 18 Connecting Probe to Insight
1. Open Insight software.
2. Connect the USB cable to a free USB port on the PC or USB hub.
3. Connect the probe to the USB cable.
4. Wait for Insight software to detect the probe.
When connecting several devices at the same time, note that your
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Modbus

Default Communication Settings

Table 2 Default Modbus Serial Communication Settings
Property Description/Value
Serial bit rate 19200
Parity None
Number of data bits 8
Number of stop bits 2
Flow control None
Modbus device address 240
You can use up to ten probes on the same RS-485 line. You must configure each probe on the line to have a dierent Modbus address.

Measurement Data Registers

Measurement data is also available as integer registers. See DMP Series User Guide (M212357EN) available at www.vaisala.com.
Table 3 Floating Point Measurement Data Registers (Read-Only)
Register Number (Decimal)
Address (Hexadecimal)
1 0000
0001
3 0002
0003
7 0006
0007
9 0008
0009
11 000A
000B
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
Register Description Data Format Unit
Relative humidity 32-bit float %RH
Temperature 32-bit float °C
Dew point temperature 32-bit float °C
Dew/frost point
32-bit float °C
temperature
Dew/frost point
32-bit float °C
temperature at 1 atm
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Register Number
Address (Hexadecimal)
(Decimal)
13 000C
000D
15 000E
000F
17 0010
0011
21 0014
0015
23 0016
0017
25 0018
0019
27 001A
001B
31 001E
001F
33 0020
0021
65 0040
0041
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
Register Description Data Format Unit
Dew point temperature
32-bit float °C
at 1 atm
Absolute humidity 32-bit float
g/m
Mixing ratio 32-bit float g/kg
Water concentration 32-bit float ppm
Water vapor pressure 32-bit float hPa
Water vapor saturation
32-bit float hPa
pressure
Enthalpy 32-bit float kJ/kg
Dew point temperature
32-bit float °C
dierence
Absolute humidity at
32-bit float
g/m
NTP
Water mass fraction 32-bit float ppm
3
v
3
w

Diagnostic Data Registers

Table 4 Floating Point Diagnostic Data Registers (Read-Only)
Register Number (Decimal)
37 0024
39 0026
24 M212356EN-A
Address (Hexadecimal)
hex
0025
hex
hex
0027
hex
Register Description Data Format Unit
Sensor saturation ratio 32-bit float %
Sensor temperature 32-bit float °C
Page 27
Configuration Registers
The configuration registers listed here are the most important for typical users. For more information on available configuration registers, see DMP Series User Guide (M212357EN) available at www.vaisala.com.
Table 5 Modbus Configuration Data Registers (Writable)
Register Number (Decimal)
Compensation Setpoints
769 0300
821 0334
Register Address (Hexadecim al)
hex
0301
hex
hex
0335
hex
Register Description Data
Pressure compensation
Format
32-bit float Unit: hPA
setpoint
Temperature
32-bit float Unit: °C compensation setpoint. If a value is written to this
Unit / Valid Range
Default: 1013.25 hPa
register, probe uses it instead of its own temperature measurement.
Communication
1537 0600
Modbus address 16-bit
hex
integer
1 ... 247
Default: 240

Test Value Registers

Read the known test values from the test registers to verify the functionality of your Modbus implementation.
Table 6 Modbus Test Registers (Read-Only)
Register Number (Decimal)
Register Address (Hexadecimal)
7937 1F00
7938 1F01
1F02
7940 1F03
1F04
1F05
1F06
hex
hex
hex
hex
hex
hex
hex
Register Description
Signed integer
Data Format Test Value
16-bit integer -12345
test
Floating point
32-bit float -123.45
test
Text string test text Text string
"-123.45"
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Technical Support

Contact Vaisala technical support at helpdesk@vaisala.com. Provide at least the following supporting information as applicable:
• Product name, model, and serial number
• Software/Firmware version
• Name and location of the installation site
• Name and contact information of a technical person who can provide further information on the problem
For more information, see www.vaisala.com/support.

More Information

For detailed instructions for installing, configuring, and maintaining the probes, see DMP Series User Guide (M212357EN) available at www.vaisala.com.

Warranty

For standard warranty terms and conditions, see www.vaisala.com/warranty.
Please observe that any such warranty may not be valid in case of damage due to normal wear and tear, exceptional operating conditions, negligent handling or installation, or unauthorized modifications. Please see the applicable supply contract or Conditions of Sale for details of the warranty for each product.

Recycling

Recycle all applicable material.
Follow the statutory regulations for disposing of the product and packaging.
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