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PH meter/acidity meter
Quick water quality detection kit/test paper
Speedtech Instruments from the United States
NK Weather Meter/Electronic Weather Station/Five Parameter Weather Meter/KESTREL, USA
Aquaculture detection instrument
OHAUS Ohhaus Instrument from the United States
Jenco Instruments from the United States
Instrument and meter
Peracetic acid test strip/Peracetic acid test strip/Peracetic acid colorimetric strip LH
Ammonia nitrogen detection test strip/Ammonia nitrogen test strip/Ammonia nitrogen rapid test strip LH
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