Operating Temperature ..........................................-20 °C to +70 °C (-4 °F to +158 °F) temperature of conductor under test shall not exceed 80 °C (176 °F)
Storage temperature ...............................................-40 °C to +80 °C (-40 °F to +176 °F)
Operating relative humidity, ...................................15 % to 85 % noncondensing
IP Rating .................................................................IEC 60529:IP50
Operating Altitude ...................................................2000 m (6500 ft) up to 4000 m (13 000 ft) derate to 1000 V CAT II/600 V CAT III/
Storage Altitude.......................................................12 km (40 000 ft)
Warranty..................................................................1 year