Hygrometer, Barometer, Manometer: What's the difference? – Sper Scientific Direct

Large LCD for good visibility. Rugged ABS plastic case. Built-in stand., Counts to 24 hours in 1/100th second resolution for the first 30 minutes.

Large Display Stopwatch

Sper Scientific

Dial Barometer – Sper Scientific Direct

There is an increasing requirement by customers for documentation supporting manufacturer's claims of accuracy on their scientific equipment., This is

Recertification - Manometers