Hygrometer Testo 645 For measuring: temperature, relative humidity, absolute humidity, dewpoint, humidity level and enthalpy
Internal measurement memory
Measures humidity up to +180 °C in
drying systems
Delivery includes Top Safe,
batteries and operating manual Optional accessories "ComSoft 3 – Professional" software for managing measurement data, including database, assessment and graphics function
Probe:
"Model 1: standard room climate sensor up to +70 °C, Ø12 mm; testing range from 0 to 100% rh (this
sensor requires a connection
lead)
Model 2: duct humidity / temperature sensor, Ø12 mm; testing range from 0 to 100% rh"
RS232 lead: for transferring data to a PC
Connection lead for sensor with plug head
Replacement thermopaper: 6 rolls