180° rotating display lets you view readings from any angle Measure liquids and semisolids with the piercing-tip probe Extra long 8” (200 mm) stem is ideal for measuring reagents, water baths, air and liquids °C/°F switchable The certificate indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMIs) that are signatories to the CIPM Mutual Recognition Agreement