Brand：Erun
Title: Benchtop phenolphthalein alkalinity tester
Model：ERUN-ST3-B8
Parameters: Phenolphthalein alkalinity (m-nitrophenol photometric method)
ERUN environmental protection production, sales of laboratory benchtop phenolphthalein alkalinity tester ERUN-ST3-B8 using a 7-inch color touch screen with full Chinese GUI graphical navigation, the interface is simple and intuitive, convenient for the user to view, easy for users to operate, using m-nitrophenol photometric method, the test project based on national industry standards.
Measurement range | 0-400 mg/L (segmented) |
Measurement Methods | m-Nitrophenol photometric method |
displayed value error | ≤8% |
repeatable | ≤±3% |
Optical Stability | ≤0.001A/10min |
Lifetime of light source | 100,000 hours |
measuring time | Five minutes. |
data storage | Can store more than 5000 items |
Colorimetric method | colorimetric tube |
monitor | 7 inch color touch screen |
printer | Built-in thermal printer |
data communication | USB interface |
environmental temperature | 5~40℃ |
Environmental humidity | Relative humidity ≤85 (non-condensing) |
rated voltage | AC220V±10%/50Hz |
rating | 70W |
1.The calibration curve is built-in from the factory, no need to be established by the customer, while the instrument supports the customer to build their own curves. 2.The instrument is equipped with a large-capacity storage system, which can store more than 5000 experimental data, convenient for users to view and backup. 3.Unique high-precision filtering system with narrow-band interference technology effectively avoids stray light, more stable test data and higher measurement accuracy. 4.Support cuvette, cuvette a variety of colorimetric methods, according to the user's needs for water samples and flexible choice of colorimetric methods. 5.Built-in thermal printer, can print current data and stored data, convenient for users to keep stubs. 6.Adopting imported cold light source, the life of light source is up to 10W hours. 7.With the new ARM9 chip, the instrument is more responsive and has a larger capacity of up to 500M memory. 8.Support USB data export, users can centralize data processing through EXCEL. 9.With pre-made reagents, the reagent preparation step is canceled, saving customers' operation time, reducing customers' experimental technical requirements, and greatly improving work efficiency. |
