Concrete Moisture Test Meter
Rapid RH 4.0 EX - Wagner Electronics (Wagner Electronics)
The Rapid RH 4.0 EX concrete test is superior to all other humidity measurement systems on the market today. Rapid RH 4.0 EX concrete moisture tests equilibrate faster than other concrete moisture tests. The reading taken one hour after installation for concrete relative humidity content will be within 3% of the final reading.