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    Product Name TongAo TR 6900P Desktop STIP-scan TongAo TR 6900PN Desktop STIP-scan
    Product Price $2176.00 $3228.00
    Details Details
    Model comparison
    Type Single parameter Multiparameter
    Style desktop desktop
    Measurement parameters TP TN TP NTU Miscellaneous
    Accessories
    Parameter comparison
    Measurement parameter Total phosphorus (TP) Total phosphorus, Total nitrogen, turbidity, suspended solids
    Measurement Range 0-20 mg/L
    Measuring method GB 11893-89 "Water Quality, Determination of Total Phosphorus, Ammonium Molybdate Spectrophotometric method, spec-trophotometry"
    detection lower limit 0.01 mg/L
    Digestion environment 125℃，30min
    measurement error ≤±5％ ≤±5%
    Repeatability ≤±5% ≤±5%
    Optical inspection Stability ≤ +/- 0.001A/20 minutes (100,000 hours life) ≤ +/- 0.001A/20min (100,000 hours life)
    data storage 30,000 records (including item, date, time, sample ID, etc.) 30,000 records (including item, date, time, sample ID, etc.)
    Linear dispersion quantity 96 Linear dispersion (expandable) 96 Linear dispersion (expandable)
    printer Built-in thermal printer Built-in thermal printer
    display screen 5-Inch high-definition color LCD screen 5-Inch high-definition color LCD screen
    batch Volume 16/25 water samples/batch 16/25 water samples/batch
    Colorimetric method Digestion Colorimetric tube Digestion Colorimetric tube
    sample compatibility 16mm (round), 25mm (round) 16Mm (round), 25mm (round)
    interface USB cable, LAN, etc
    exception notification Blank comparison prompt, over-Range prompt, etc Blank comparison prompt, over-Range prompt, etc
    operation interface Membrane push-button operation, Chinese/English (optional) Membrane push-button operation, Chinese/English (optional)
    Power supply AC(220V±10%)，50Hz AC(220V±10%)，50Hz
    power 5W 5W
    Environment humidity ≤ 85% non-condensing ≤ 85% non-condensing
    Environment temperature 5~40℃ 5~40℃
    Host Size 348*250*145mm
    instrument weight Main unit less than 2.6kg Main unit less than 2.6kg