Overview Reviews Product Description The R6001-KIT includes a thermo-hygrometer (R6001) and a set of 33% and 75% humidity calibration standards (R9980). Reed Instruments Catalog R6001 Datasheet Product Videos Custom Field Product Reviews Write a Review Write a Review × Reed Instruments Thermo-Hygrometer w/ Humidity Calibration Standards R6001-KIT Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *