TESTO has released the Testo 650 modular humidity measurement system. It measures temperature, CO2, rpm, current, voltage, and pressure and can be upgraded to the Testo 400 multifunction measuring instrument.
It is upgradeable, teachable and reliable,
with all the functions of the Testo 950. It can calculate all the
parameters in the Mollier diagram, as well as relative humidity, dew
point and pressure dew point, absolute humidity, psychrometric wet bulb
temperature, degree of humidity, partial pressure in water vapour,
enthalpy and barometric air pressure.
It offers automatic correction of absolute
pressure for accurate measurements and aW value measurement with trend
display and automatic recognition of equilibrium. It has a clear
graphics display andthreeuser-assignable function buttons. It saves or
prints at the touch of a button. It can be powered from a mains
connection or rechargeable batteries.
It has an attachable printer that can print
readings on site in seconds. It also has offersdata communication by PC
and has a barcode pen and two user-assignable probe inputs. It
automatically recognises of all connected probes