Pay in 4 interest-free payments of $46.75 Learn more
Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Choose AQUAvalve to replace older
99" (70 x 70 x 160 cm)
OMRI Listed
451A@AC120V 1
Pollination: Partially self-pollinating but produces better yields with a companion apple variety
2-Pt. Acoustical Calibrator - Class 2 rock-bottom Choose AQUAvalve to replace olderFor calibration of all Sper Scientific digital sound meters or any sound level meter with 1 or microphone. Conforms to ANSI S1. 40 1984 and IEC942 1988 Class 2 standards for acoustical calibrators. Simply place the calibrator on to the digital sound meters microphone, turn on the calibrator, and adjust the decibel meters reading to either 94 or 114 dB. Operates at a frequency of 1KHz 4% and with an accuracy of 0. 5 dB. Built in battery check. Easily
US$ 29.00
US$ 45.00
US$ 29.00
US$ 25.00
US$ 65.00
US$ 25.00
US$ 25.00
US$ 39.00
US$ 180.00