Thermometer Armour Case, 30 cm (12") Weather Instruments the average speed over a

the average speed over a given sampling time can be calculated

High-contrast Secchi disk target permanently mounted at the base

Beryllium copper battery contacts for longer battery life

Stackable design allows multiple particle-size fractions to be separated in one operation

The pistol-grip trigger switch is easy to operate even when you’re wearing gloves and can be locked to prevent accidental illumination and battery drain

Thermometer Armour Case, 30 cm (12") Weather Instruments the average speed over aProduct Code: 47432 Thermometer Armor Cases are constructed of Nickel Plated Brass and protect liquid in glass thermometers from rough handling and shock during use. Feature a threaded screw cap with ring top for suspension where necessary. Fits 30 cm (12") Glass Thermometers