MSR data logger

MSR 165

-20°C to +65°C
10% to 95% RH

EL-GFX1 Lascar Data logger

EL-GFX-1

Graphic screen
-30°C to +80°C

Optical Michell Instrument Hygrometry generator

OptiCal

10% RH to 90% RH
+10°C to +50°C

Michell Instrument

MDM300

-70°C to +20°C dew point
0% to +100% RH