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 TongAo TR 6900DZ Desktop STIP-scan
29800.0 RMB
 ChinaDetail
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 TongAo TR 6900NH Desktop STIP-scan
8800.0 RMB
ChinaDetail
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Model comparison
| Type | Multiparameter | Single parameter | |||
|---|---|---|---|---|---|
| Style | desktop | desktop | |||
| Measurement parameters | COD TN TP NH3-N Heavy metals | NH3-N | |||
| Accessories | |||||
Parameter comparison
| Measurement parameters | COD, ammonia nitrogen, total phosphorus, total nitrogen, heavy metals (total chromium, hexavalent chromium, copper, zinc, nickel, iron) | ammonia nitrogen | |||
|---|---|---|---|---|---|
| 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 dispersions (expandable) | 96 Linear dispersions (expandable) | |||
| printer | Built-in thermal printer | Built-in thermal printer | |||
| Display | 5-Inch high-definition color LCD | 5-Inch high-definition color LCD | |||
| batch Volume | 16/25 water samples/batch | 16/25 water samples/batch | |||
| Colorimetric method | Digestion Colorimetric Tube | Digestion Colorimetric Tube | |||
| Sample compatibility | 16 mm (round), 25mm (round) | 16 mm (round), 25mm (round) | |||
| Communication interface | USB cable, LAN, etc | USB cable, LAN, etc | |||
| exception notification | Blank comparison prompt, overrange prompt, etc | Blank comparison prompt, overrange prompt, etc | |||
| Operating 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 level | IP30 | IP30 | |||
| Relative Humidity | ≤ 85% non-condensing | ≤ 85% non-condensing | |||
| Ambient Temperature | 5~40℃ | 5~40℃ | |||
| Host size | 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 | 0-10000mg/L；0-15000mg/L | ||||
| Lower limit of COD detection | 3 mg/L；2 mg/L | ||||
| COD digestion environment | 165℃，15min；165℃，20min | ||||
| COD anti-chlorine interference | 1000 mg/L (expandable); 1000 mg/L (expandable) | ||||
| Ammonia nitrogen detection method | HJ535-2009 "Water quality, determination of ammonia nitrogen, Nessler reagent Spectrophotometric method, spec-trophotometry" | HJ535-2009 "Water quality, determination of ammonia nitrogen, Nessler reagent Spectrophotometric method, spec-trophotometry" | |||
| Ammonia nitrogen range | 0-50 mg/L | 0~50mg/L | |||
| Ammonia nitrogen detection lower limit | 0.01mg/L | 0.01 mg/L | |||
| Ammonia nitrogen digestion environment | No need to digest | No need to digest | |||
| Total phosphorus detection method | GB11893-89 | ||||
| Total Phosphorus range | 0~20mg/L | ||||
| Total phosphorus detection limit | 0.01mg/L | ||||
| Total Phosphorus Digestion | 125℃，30min | ||||
| TN detection method | Persulfate oxidation | ||||
| TN range | 0~100mg/L | ||||
| TN detection lower limit | 0.5 mg/L | ||||
| TN digestion environment | 125℃，30min | ||||
| Total chromium detection method | GB7466-87 | ||||
| Measurement range of total chromium | 0~5mg/L | ||||
| Total chromium detection lower limit | 0.01mg/L | ||||
| Total chromium digestion environment | 125℃，30min | ||||
| Hexavalent chromium detection method | GB7467-87 | ||||
| Measurement range of hexavalent chromium | 0~5mg/L | ||||
| Lower limit of hexavalent chromium detection | 0.01mg/L | ||||
| Hexavalent chromium digestion environment | No need to digest | ||||
| Copper detection method | Diacetaldehyde oxalyl dihydrazone | ||||
| Measurement range | 0~50mg/L0~4mg/L0~15mg/L0~50 mg/L | ||||
| Lower limit of copper detection | 0.01mg/L | ||||
| Copper digestion environment | No need to digest | ||||
| Nickel detection method | GB11910-89 | ||||
| Measurement range | 0~50mg/L0~4mg/L0~15mg/L0~50 mg/L | ||||
| Lower limit of nickel detection | 0.01mg/L | ||||
| Nickel digestion environment | No need to digest | ||||
| Zinc detection method | Xylenol Orange Spectrophotometry | ||||
| Measurement range | 0~50mg/L0~4mg/L0~15mg/L0~50 mg/L | ||||
| Zinc detection lower limit | 0.01 mg/L | ||||
| Zinc digestion environment | No need to digest | ||||
| Iron detection method | HJ/T345-2007 | ||||
| Measurement range | 0~50mg/L0~4mg/L0~15mg/L0~50 mg/L | ||||
| Lower limit of iron detection | 0.01mg/L | ||||
| Iron digestion environment | No need to digest | ||||
Friendly reminder: This page is a comparison of TongAo TR 6900DZ,TongAo TR 6900NH.NBCLab only provides you with the similarities and differences of the product in the model and specifications.
For more information about TongAo TR 6900DZ,TongAo TR 6900NHsimilarities and differences, please refer to the NBCLab product details.
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