The Protimeter BLD4750C Replacement Hygrosticks (Pack of 5) are designed for use with the MMS Plus and HygroMaster Moisture Meters as replacement parts. These sticks can be used to measure relative humidity along with ambient temperature. These sticks are recommended for use in areas with high relative humidity levels such as ERH measurement in concrete.

• Pack of 5
• RH Range: 30 to 98% RH at 68°F
• Temperature Range: 32°F to 122°F; ±0.6°F