Product Name TongAo TR 6900CPN Desktop STIP-scan TongAo TR 6900PN Desktop STIP-scan
Product Price $4375.00 $3228.00
Details Details
Model comparison
Type Multiparameter Multiparameter
Style desktop desktop
Measurement parameters COD TN TP NTU Miscellaneous TN TP NTU Miscellaneous
Accessories
Parameter comparison
Measurement parameter COD, Total phosphorus, Total nitrogen, turbidity, suspended solids Total phosphorus, Total nitrogen, turbidity, suspended solids
measurement error ≤±5% ≤±5%
Repeatability ≤±5% ≤±5%
Optical inspection Stability ≤ +/- 0.001A/20min (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)
communication interface USB cable, LAN, etc 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
Protection Rating IP30 IP30
Environment humidity ≤ 85% non-condensing ≤ 85% non-condensing
Environment temperature 5~40℃ 5~40℃
Dimension 348*250*145mm 348*250*145mm
instrument weight Main unit less than 2.6kg Main unit less than 2.6kg
COD detection method Method 1: HJ/T399-2007 standard; Method 2: Import detection method
COD Measurement Range 0-20000mg/L;0-20000mg/L
Lower limit of COD detection 3mg/L;2mg/L
COD digestion environment 165℃,15min;165℃,20min
COD anti-chlorine interference 1000Mg/L (expandable); 1000mg/L (expandable)
Total phosphorus detection method Ammonium molybdate method Ammonium molybdate method
Measurement Range of Total phosphorus 0~20mg/L 0~20mg/L
Total phosphorus detection limit 0.01mg/L 0.01mg/L
Total phosphorus digestion environment 125℃,30min 125℃,30min
Turbidity detection method Spectrophotometric method,spec-trophotometry Spectrophotometric method,spec-trophotometry
Turbidity Measurement Range 0~1000NTU 0~1000NTU
Lower limit of turbidity detection 0.5NTU 0.5NTU
Turbidity digestion environment No need to digest No need to digest
Suspension detection method Direct Colorimetry Direct Colorimetry
Measurement Range of suspended solids 0~500mg/L 0~500mg/L
Lower limit of suspended solids detection 2mg/L 2mg/L
Suspension digestion environment No need to digest No need to digest
TN detection method Persulfate oxidation Persulfate oxidation
TN Measurement Range 0~250mg/L 0~250mg/L
TN detection lower limit 0.5mg/L 0.5mg/L
TN digestion environment 125℃,30min 125℃,30min