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TR-131 Total Phosphorus Analyzer
TR-131 Total Phosphorus Rapid Analyzer is a practical total phosphorus analyzer developed and produced by Shenzhen Tongao Technology Co., Ltd. It is d
Product details

TR-131 typeTotal phosphorus analyzer

Detection principle:


The TR-131 total phosphorus rapid analyzer from Tongao brand uses a closed digestion tube and potassium persulfate as an oxidant to convert all phosphorus containing compounds in the sample into phosphate ions at 125 ℃. Under acidic conditions, orthophosphate reacts with ammonium molybdate and potassium antimony tartrate to form phosphomolybdic acid, which is reduced by the reducing agent ascorbic acid to form a blue complex. The total phosphorus content (mg/L) is directly displayed after calculation by a microcomputer chip using colorimetric method.


Technical parameters:


measuring method GB11893-1989 "Determination of total phosphorus in water quality - Ammonium molybdate spectrophotometric method"
Measurement range 0-20mg/L (segmented measurement)
limit of detection 0.02ppm
Dissolving temperature 125 ℃, 30 minutes
resolution 0.001ppm
accuracy The indication error shall not exceed 5%
repeatability The relative standard deviation shall not exceed 3%
Optical stability ≤ 0.001A/20 minutes
Instrument dimensions 310mm*230mm*150mm
power supply AC(220V±5%),50Hz
ambient temperature 5~40℃
ambient humidity ≤ 85% non condensing
Instrument weight Host<3kg, disintegrator 6kg

Product features:


1. Developed according to the GB11893-1989 standard, the measurement data is accurate and effective.
2. Adopting imported high brightness and long-life cold light source with excellent optical performance, the light source has a lifespan of up to 100000 hours.
3. 5-inch large LCD screen with full Chinese display, direct data reading, simple and time-saving operation.
4. Dissolve colorimetric integrated, no need to replace tube, simple and fast measurement, no safety hazards.
5. Can save 80 standard curves and 1800 measured values (date, time, parameters, test data).
6. The memory standard working curve, and users can also calibrate the curve as needed.
7. One click factory reset allows for quick recovery in case of curve loss due to misoperation.
8. It has data storage function and data power-off protection function, making it convenient to query historical measurement data and prevent data loss.
9. Equipped with USB interface, data can be transferred to the computer for permanent storage.
10. It has a printing function and can print the measured values immediately or query the historical records for printing.
11. The digestion instrument adopts intelligent PID temperature control technology and a dual anti overheating protection system, ensuring safe and uniform heating with fast speed. Used for the digestion of COD, total phosphorus, total nitrogen and other projects.


Standard equipment list:


TR-131 Total Phosphorus Analyzer
Serial Number Name quantity Serial Number Name quantity
1 Printing type testing host 1 unit 8 power line 2 pieces
2 16 hole intelligent digestion instrument 1 unit 9 USB data cable 1 piece
3 Dissolve the protective cover 1 piece 10 Online CD 1 sheet
4 Total phosphorus reagent 1 set 11 Printer printing paper 1 roll
5 Dissolving colorimetric integrated tube 10 pieces 12 operation instructions 1 copy
6 Dissolving tube cooling rack 1 piece 13 Certificate of Conformity/Warranty Card 1 copy
7 Color tube cleaning cloth 1 piece 14

总磷测定仪分析仪检测仪

Figure 1: Engineers are testing the TR-131 total phosphorus rapid analyzer

同奥科技ISO9001-2008

Figure 2: ISO9001: 2008 International Quality System Certification

国家高新技术计量站校准报告

Figure 3: Verification Report of National High tech Metrology Station

Click to view other total phosphorus analyzers:

1 TR-131S economical total phosphorus rapid analyzer

2 TR-131B portable total phosphorus rapid analyzer

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