Shanghai Hengfang Science Instruments Co., Ltd. (Shanghai Hengfang Science Instruments Co., Ltd.)
Kuæa>Proizvodi>HF-5811 COD Analyzer online
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HF-5811 COD Analyzer online
A, product description: method using the national standard GB11914-89 water quality-chemical oxygen requirement measurement (potassium chromate method
Detalji proizvoda

1、Product Profile:
Fɛɛrɛ ye kɔc cɔl GB11914-89 ye kɔc cɔl water quality-chemical oxygen requirement determination (potassium chromate method) ye kɔc cɔl water sample, potassium chromate, silver sulfate (catalyst makes straight chain fatty family compounds oxide more fully) ku sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc cɔl sulfuric acid ye kɔc


A yiib, tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n:
A be tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen ka tɔ̈u yen. A tɛ̈n yenë a tɔ̈u thïn, a tɛ̈n yenë a tɔ̈u thïn, a tɛ̈n yenë a tɔ̈u thïn. (Refer to environmental protection industry standard HJ/T353-2007) Potassium chromate comparison method is a national traditional standard method, applicable to wastewater more complex, unstable water quality. (Refer to environmental protection industry standard HJ/T353-2007) Potassium chromate comparison method is a national traditional standard method, applicable to wastewater more complex, unstable water quality. (Refer to environmental protection industry standard HJ/T353-2007 (Cɔl HJ/T353-2007)

Third, luɔɔi:
A be luui në pii ye cɔl wastewater treatment, pii ye cɔl wastewater, pii ye cɔl wastewater, pii ye cɔl boiler water, ku jɔl ya electronic, electroplating, printing, chemical, food, pharmaceutical ku jɔl ya luɔɔi ye cɔl wastewater, ku jɔl ya luɔɔi ye cɔl wastewater, ku jɔl ya luɔɔi ye cɔl wastewater.


4. Parameters teknikal:

Metode de mesure: potassium dichromate dissolution at high temperature, comparison color determination (national standard GB11914-89)
Kɔɔr ye kɔɔr: (0-200) mg/l, (0-1000) mg/l, (0-2000) mg/l, (0-5000) mg/l
Kuen dït: 0-40000mg/l
Anti-chlorine ion interference: 5000mg/l
Kuen tɔ̈u: 8 mg/l
Resolution: <1mg/l
A yic: a yic <5%; Pii <10%
Wurtin: <5%
Lɔ̈ɔ̈i: 165 ℃, lëu bï ya tɔ̈ɔ̈u
Wakat ye looi: 15min, lëu bï ya looi
Wakut tɛ̈n tɔ̈u: ≥720h/time
Kɔɔr ye cɔl ±3% F.S.
Sample interval: continuous, 1 hour, 2 hours... 24 lɛr
Lɔ̈ɔ̈i: Lɔ̈ɔ̈i në rot de raan wala në rot de raan (1-7 days)
Lɔ̈ɔ̈i: Lɔ̈ɔ̈i në raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan
Lɔ̈ɔ̈i: > 1 month, 1 hour each
Reagent consumption: 720 samples per set of reagents
Man-machine interface: 7 inch, 70,000 color, 800*480 resolution, TFT real color touch screen
Printing: Reserved printer interface, outdoor industrial micro printer (optional) Printing: Reserved printer interface, outdoor industrial micro printer (optional) Printing: Reserved printer interface, outdoor industrial micro printer (optional) Printing: Reserved printer interface, outdoor industrial micro printer (optional)
Storage: 20,000 data, no loss of power, full automatic overwriting data (you can add 40,000 data)
Communication interface: 1 channel RS232 digital interface or RS485, support MODBUS communication protocol or custom protocol
1 analog 4 ~ 20mA (20mA ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam ye gam)
Pre-processing system: self cleaning, anti-blowing, precision filtering function, ensuring the sample has a good representation while also avoiding suspended particles blocking the pipeline, ensuring the continuity of data. (Wol)
Dimensions 900×600×450 ((mm)) Weight ye 50kg
Power AC 220V ± 20%, 50Hz ± 1% Puwol 300W
Temperature ɣän 5~40℃ Humidity ≤85%















































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