The optional/replacement HygroStick is optimized for measuring humidity in the 30 to 100% relative humidity range and is ideal for measuring high moisture levels found in concrete floors.
This is the standard probe on the Protimeter MMS LH. It is the optional probe for the Protimeter MMS Plus and Protimeter HygroHawk.
0% to 10% RH, ±3% RH at 68°F (20°C),
10% to 90% RH, ±2% RH at 68°F (20°C),
90% to 100% RH, ±3% RH at 68°F (20°C),
Range 32°F to 122°F (0°C to 50°C) ±0.6°F (±0.3°C)
Nominal response 30% to 90% and back to 30% RH in 45 seconds @ 68°F (20°