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Details: Introductions:
Details: Overview
it’s the device that measure the value of pH
Main Device
Measuring range (NTU) 0 ~ 200
Graigar SL4202 Digital Sound Level Meter Decibel Voice Noise Dosimeter 30-130dB Flowmeters Details: Introductions:Brand: Graigar Color: Black Features: SL4202 sound level meter is featured with wide measuring range (30 130dB). A frequency weighting, Fast Slow response and Maximum hold function. Equipped with sponge ball. Portable, easy to use and handy instrument for sound quality control in factory, office, home, school and construction site. Slow rate to pick up the reading of average within 1 second. Part Number: SL4202 Details: Overview This meter is featured
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