LSI LASTEM DMA867 - 9 Specifications; Models; Measuring Specifications

Thermo-hygrometer with current outputs – User manual
INSTUM_01378 Pag. 10/12
9 Specifications
9.1 Models
Order numb.
DMA867
DMA875
9.2 Measuring specifications
 Measures:
o Ambient temperature [°C]
o Ambient relative humidity [%]
o Ambient dew point [°C]
 Ambient temperature section:
o Principle: Pt100 thermoresistance
o Range: selectable from
 Variant .1:
 -30 ÷ 70 °C
 -50 ÷ 100 °C
 -50 ÷ 50 °C
 0 ÷ 100 °C
 Variant .2:
 -40 ÷ 60 °C
 -50 ÷ 60 °C
 -50 ÷ 70 °C
 -30 ÷ 100 °C
o Accuracy: ±0.2 K @ 23 °C
o Resolution 0.04 °C
o Responce time: 3' (T90)
 Humidity section:
o Principle: hygro-capacitive
o Range: 0 ÷ 100 %rh
o Accuracy ±1.5 %rh @ 23 °C
o Resolution 0.1 %rh
o Responce time: 10' (T90)
 Dew point section:
o Measurement calculated conforming to ISO 7726 formulas
 Other characteristics:
o Forced ventilation (only DMA867)