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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
84 uS/cm conductivity calibration solution makes it possible to calibrate instruments with a conductivity scale of up to 200 uS/cm
Product includes 1 timer and multilingual guide
whilst out at sea
pool or water table
READING AIDS, Eye Level Reading Ruler, Pack of 10 Access Equipment 84 uS/cm conductivity calibration solutionDesigned to overcome problems arising from scotopic sensitivity and other visual difficulties that are related to dyslexia. Pupils can try out one of 5 colours.
US$ 21.00
US$ 10.75
US$ 70.00
US$ 38.00
