LSI LASTEM DMA672.1 User Manual
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LSI LASTEM DMA672.1 User Manual

Thermohygrometers
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Environmental monitoring solutions
Thermohygrometers
User manual

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Summary of Contents for LSI LASTEM DMA672.1

  • Page 1 Environmental monitoring solutions Thermohygrometers User manual...
  • Page 2 LSI LASTEM. LSI LASTEM reserves the right to carry out changes to this product without timely updating of this document. Copyright 2020 LSI LASTEM. All rights reserved.

  • Page 3: Table Of Contents

    3.2.2 DMA867, DMA875 and DMA975 sensors ................10 3.2.3 EXP815 sensor ......................... 10 LSI LASTEM data logger configuration ..................... 11 Operation check ............................11 Calculation of the measurement value based on the sensor analog output ........12 Maintenance .............................12 Cleaning of the anti-radiant shield and the porous filter ..............12 Sensing element replacement ......................

  • Page 4: Introduction

    DMA672.1, DMA672.4, DMA672.5 temperature output is Pt100 element and 0÷1 Vdc output for RH%. DMA672.3 output is 0÷1 Vdc for both Temperature and RH%. DMA672.3 is very suitable for tropical weather in continuous high temperature and RH conditions.

  • Page 5: Versions

    M-Log (ELO008) compatibility Log, A-Log, Pluvi- Log with ELU00x extension cable: M- E-Log, A-Log using ONE (uscita enclosures Log (ELO008) E-Log ALIEM module RS232), A-Log A-Log using ALIEM using ALIEM module module LSI LASTEM SRL INSTUM_04246 Pag. 5 / 17...
  • Page 6 <1% Resolution 0.1% (A/M/R/ELog, P1). 0.01% configurable on data logger Response time (T90) 10 s (1 m/s air flow) Long term stability <±1%/year General Information Protection type IP66 Operative temperature -50÷100 °C LSI LASTEM SRL INSTUM_04246 Pag. 6 / 17...

  • Page 7: Dma867, Dma875, Dma975 And Exp815 Models

    10÷30 Vac/dc Power consumption <10 µW stand-by 120 mW in transmission Electric protections Tranzorb and Emifilter (electrically insulated system Ventilation Natural Forced Resolution Temp: 0.01 °C RH: 0.1% Dipending on data acquisition LSI LASTEM SRL INSTUM_04246 Pag. 7 / 17...
  • Page 8 10 s (1 m/s air flow) Long term stability <±1%/year Hysteresis <1% General Information Protection type IP66 Operative temperature -40÷80 °C Data logger compatibility M-Log (ELO008) R-Log (ELR515) E-Log A-Log using ALIEM module LSI LASTEM SRL INSTUM_04246 Pag. 8 / 17...

  • Page 9: General Safety Rules

    Discharge the accumulated electrostatic discharges touching an earthed conductor or apparatus. 3.2 Mechanical installation and connection 3.2.1 DMA672.x sensors The installation of the DMA672.x sensors changes according to the type of anti-radiant shield used. LSI LASTEM SRL INSTUM_04246 Pag. 9 / 17...

  • Page 10: Dma867, Dma875 And Dma975 Sensors

    3. Remove the cover from the sensor box and move the ignition switch to ON; screw the cover to the box. 4. Place/install the EXP301 receiver near the PC or data logger. LSI LASTEM SRL INSTUM_04246 Pag. 10 / 17...

  • Page 11: Lsi Lastem Data Logger Configuration

    Thermohygrometers – User manual 3.3 LSI LASTEM data logger configuration If the sensor is used with an LSI LASTEM data logger, proceed with the configuration of the data logger using the 3DOM software: ➢ Open the data logger configuration ➢ Add the sensor by selecting its code (eg DMA672.1) from the 3DOM Sensor Library.

  • Page 12: Calculation Of The Measurement Value Based On The Sensor Analog Output

    This sensor is a precision measurement apparatus. In order to maintain the specified measurement precision over the time, LSI LASTEM recommends to check it periodically (at least twice a year); it is moreover suggested the replacement of the measure element according to the place of installation (in persistent conditions of high humidity, pollution, dust and chemical substances presence, the sensitive element deteriorate faster than the one placed in a location with less adverse conditions).

  • Page 13: Sensing Element Replacement

    7 pin free female connector ML3015 Sensitive element (spare part) for EXP815, DMA975-875-867 DYA049 Mast mounting device for Ø 45÷65 mm pipe EXP301 Radio signal receiver from EXP815 radio sensor (output compatible with data loggers M/E-Log) LSI LASTEM SRL INSTUM_04246 Pag. 13 / 17...

  • Page 14: Disposal

    (RAEE). For this reason, at the end of its life, the instrument must be kept apart from other wastes. LSI LASTEM is liable for the compliance of the production, sales and disposal lines of this product, safeguarding the rights of the consumer. Unauthorized disposal of this product will be punished by the law.

  • Page 15: Ce Conformity Declaration

    Thermohygrometers – User manual 9 CE Conformity Declaration LSI LASTEM SRL INSTUM_04246 Pag. 15 / 17...
  • Page 16 Thermohygrometers – User manual LSI LASTEM SRL INSTUM_04246 Pag. 16 / 17...
  • Page 17 Thermohygrometers – User manual LSI LASTEM SRL INSTUM_04246 Pag. 17 / 17...

This manual is also suitable for:

Dma672.4Dma672.5Dma672.3

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