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Total Phosphorus Tester-Total Phosphorus Monitor GTP-5
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Shanghai Kuosi Electronic Co., Ltd.
Shanghai, China
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Total phosphorus refers to the sum of particles and dissolved organic phosphorus and inorganic phosphorus in water, and total phosphorus reflects the degree of phosphorus pollution in water. 
The increase of phosphorus content in the water body will cause eutrophication, resulting in the occurrence of algal blooms or red tides, which will seriously affect the water quality.

Model GTP-5
Method basis HJ 593-2010 "Water Quality - Determination of Elemental Phosphorus - Phosphomolybdenum Blue Spectrophotometry"
Measuring range 0~50mg/L total phosphorus
Accuracy Indication error≤± 10%
repeatability error ≤± 10%
Measurement period The minimum measurement period is 40min , and the digestion time can be arbitrarily modified within 5~120min according to the actual water sample .
The sampling period Time interval ( 20~9999min can be adjusted arbitrarily) and whole point measurement mode
Correction The instrument can periodically perform sensitivity and zero calibration
Calibration cycle 1~99 days, adjustable at any interval at any time
maintenance cycle Usually once a month, about 30min each time
Analog output 2 channels 4~20mA
Signal interface RS232 or RS485
Switch 6 groups of relay control, capacity 220VAC/2A
Environmental requirements Recommended temperature +5~28 ℃; humidity ≤ 90% (non-condensing)
Comparison of actual water samples Error≤±10%
MTBF ≥ 720h/ time
size Height 1420 × Width 500 × Depth 400 ( mm )
power supply AC220 ± 10%V , 50 ± 10%Hz , 5A
other Abnormal alarm and power failure will not lose data; touch screen display and command input; After abnormal reset and power failure, the instrument automatically discharges the residual reactant in the device and automatically restores the working state

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