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%)