Humidity Calibration Kit (33% and 75%)
- ± 1% accuracy at 77°F (25 °C)
- Compatible with probes with a diameter up to 0.6" (15mm)
- For use with REED R6001, SD-3007 and 8706
- Includes: R9933 (Humidity Calibration Standard, 33%) and R9975 (Humidity Calibration Standard, 75%)