7031 waterproof pen type do meter

feature microprocessor based for fast and accurate measurements. special viewing angle designed of waterproof housing ip 57 rated. it floats on water. large lcd display do and temperature readings simultaneously. simple to calibrate by one keyboard and automatic temperature compensation(atc), manual salinity(msc) and altitude(mac) compensation. multi-functions with data-hold, max/min and shows pts after calibration. degree ℃/℉ are switchable. low battery and consumption indicator. easy to replace the do probe module. specifications

	7031
	do	o2	temp
range	0~20.00mg/l	0~200%	0~90.0℃
accuracy	±0.2 + 1digit	± 2% fs	±0.2+1 digit
resolution	0.01	0.1	0.1
atc	0~50 ℃
msc	0~50 ppt
mac	0-20000 ft
calibration	in air
power	dc1.5v x 4 battery  size:aaa/um-4
dimensions	meter: 195 x 40 x 36 mm, kits: 230 x 205 x 50 mm
weight	meter: 135g(with battery), kits: 780g

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