Vaisala DM500 - Manual (Page 121)

Chapter 19 ____________________________________________________________ Specifications
VAISALA ______________________________________________________________________ 119
CHAPTER 19
SPECIFICATIONS
This chapter provides the technical data of the product.
Measured Variables
Dewpoint Temperature
DM500S (standard) -40...+60 ºC T
d
DM500H (high) -60...+60 ºC T
d
DM500X (extended) -75...+60 ºC T
d
The upper limit value is with heating option only. Without a heating
option, limited to ambient temperature. Standard calibration up to
+ 18 ºC T
d
.
Accuracy
standard (traceable to international standards)
±0.2 ºC T
d
optional (traceable to national primary standard) ±0.1 ºC T
d
Typical temperature dependence
of measured dewpoint
0.01 ºC/ºC
Repeatability (see the following graph) < ±0.05 ºC Td (2Σ)