Product Name TongAo TR 6900NHN Desktop STIP-scan TongAo TR 6900NHPN Desktop STIP-scan
Product Price $3075.00 $3430.00
Details Details
Model comparison
Type Multiparameter Multiparameter
Style desktop desktop
Detection Principle Photometric Photometric Turbidimetric
Measurement parameters COD TP NH₃-N NTU TN Heavy Metals Others TP NH₃-N NTU TN
Range Wide Range Wide Range
Accuracy ±5%FS ±5%FS
Resolution 0.01 0.01
Data Output USB USB
IP Rating
Parameter comparison
Measurement parameter Ammonia nitrogen, Total nitrogen Ammonia nitrogen, 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/20 minutes (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
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
Environment humidity ≤ 85% non-condensing ≤ 85% non-condensing
Environment temperature 5~40℃ 5~40℃
Dimension 348*250*145mm
instrument weight Main unit less than 2.6kg Main unit less than 2.6kg
Ammonia nitrogen detection method Nasser reagent Nasser reagent
Measurement Range of ammonia nitrogen 0~50mg/L
Ammonia nitrogen detection lower limit 0.01mg/L 0.01mg/L
Ammonia nitrogen digestion environment No need to digest No need to digest
TN detection method Persulfate oxidation
TN Measurement Range 0~250mg/L
TN detection lower limit 0.5mg/L
TN digestion environment 125℃,30min