Brand: Erun
Precision PH/mV/conductivity/dissolved oxygen multi-parameter meter
Model number:ERUN-ST3-DB6
Parameters: PH/mV/Conductivity/Dissolved Oxygen
ERUN-ST3-DB6 Precision PH, mV, conductivity, dissolved oxygen multi-parameter meter adopts 6.5-inch LED screen, complete parameter display, intuitive, interface operation humanized design, user-friendly operation and use. Multi-parameter meter for high-precision measurements in the laboratory, covering a wide range of electrochemical parameters such as pH, conductivity and dissolved oxygen. Suitable for petroleum, chemical, pharmaceutical, power plant and environmental protection industries, in the field of education and scientific research.
1. Measurement range:（-1.999 ~ 19.999）pH
2、resolution：0.1/0.01/0.001 pH
3、precision：Electrometer: ±0.002 pH, Matching: ±0.01 pH
4.Input Current:≤1×10-12 A
5.Input Impedance:≥3×1012 Ω
6.stability:±0.002 pH/3h
7.Temperature compensation range:Manual/Automatic (-5.0～105.0)°C
1.Measurement range (mV/ORP/EH):-1999.9mV ~ 0 ~ 1999.9mV
2.resolution:0.1mV
3.precision:±0.03% FS
1. Measurement range:
conductivity：（0.00~20.00）μS/cm （20.0~200.0）μS/cm
（200~2000）μS/cm （2.00~20.00）mS/cm
（20.0~200.0）mS/cm （200~2000）mS/cm（K=10）
resistivity：（0 ~ 100）MΩ·cm
TDS： （0 ~ 100）g/L
salinity： （0 ~ 100）ppt
2、resolution：0.01/0.1/1μS/cm 0.01/0.1/1 mS/cm
3、precision：galvanometer：±0.5% FS，form a complete set：±0.80%FS
4、Temperature compensation range：Manual/Automatic（-5.0～105.0）℃
5、electrode constant (physics)：0.1 / 0.5 / 1 / 5 / 10 / 50 / 100 cm-1
6、reference temperature：25℃、20℃ and18℃
1. Measurement range：（0 ~ 20.00）mg/L(ppm) （0 ~ 200.0）%
2. Resolution：0.1/0.01 mg/L(ppm) 1/0.1 %
3. Accuracy：galvanometer：±0.10 mg/L，form a complete set：±0.40 mg/L
4. Response time：≤30 s(25°C, 90% response)
5. Residual current：≤0.1 mg/L
6.Temperature compensation range：（0 ~ 45）℃（automation）
7. Salinity compensation range：（0 ~ 45）ppt（automation）
8.Air pressure compensation range：（80 ~ 105）kPa（automation）
9.Automatic calibration：Air saturated with water; water saturated with air
10.Electrode type: polar spectrum type
1.Measuring range：-10℃~ 110℃
2. Resolution：0.1℃
3. accuracy: 5 ~ 60 ℃ range: ± 0.4 ℃ the rest of the range: ± 0.8 ℃
Data storage: 2000 groups
Storage contents: measured value number, measured value, temperature value, ATC or MTC status, measurement date, measurement time
Power supply: DC9V/300mA
Communication interface: RS232, USB2.0, wireless Bluetooth interface
Size and weight: 160 × 190 × 70mm/880g
Ambient temperature: 10 ~ 30 ℃
Ambient humidity: ≤ 80 %
IP rating: IP54 Dust and splash proof
1.in line with international norms of GLP requirements, with automatic calibration, automatic temperature compensation, data storage, USB output, clock display, wireless printing, function settings and self-diagnostic information and other intelligent functions.
2.The instrument is built-in Chinese and English bilingual operating system, humanized operation design, the instrument brightness
3.Built-in high-capacity storage can store 2000 sets of measurement data, data can be transferred to the U disk storage data, stored data can be used to open the general office software EXELL, greatly facilitating customer editing.
4.Dissolved oxygen measurement mode with automatic temperature compensation, automatic salinity compensation and automatic barometric pressure compensation.
5.The new structure of polarographic dissolved oxygen electrode can measure temperature, salinity and dissolved oxygen at the same time, with the special dissolved oxygen electrode calibration set, electrode polarization only needs 3~5 min.
6.With the combined diaphragm cap, it is easy to replace the sensitive membrane by simply screwing the new diaphragm cap onto the electrode.
7.Automatically recognizes 8 types of conductivity standard solutions, with two series of standard solutions to choose from: European and American series and Chinese series.
8.Adopting the advanced conductivity measurement technology, using the conductivity electrode with constant K=1, it can meet the measurement accuracy requirement of 0.5μS/cm ~ 200 mS/cm with only one point calibration.
9.Conductivity, TDS, salinity and resistivity can be switched.TDS and salinity are calculated using polynomials to ensure full scale conversion accuracy.
10.The instrument is equipped with Bluetooth module as standard, supporting wireless Bluetooth printing, which is convenient for users to operate. Optional support for wireless Bluetooth to cell phone computer data transfer.
11、Designed to meet IP54 dust and splash-proof rating.
| 1、pH/mV/Conductivity/Dissolved Oxygen Measuring Instrument Mainframe 1 set | 2、Universal electrode holder 1pc | 3、Plastic shell pH/ATC three composite electrode 1 pcs. |
| 4、Glass pH composite electrode 1pcs | 5、Temperature electrode 1pc | 6、Conductivity electrode 1pc |
| 7、Dissolved oxygen electrode 1pc | 8. pH standard buffer solution (pH4.00, pH6.86, pH9.18/50ml) 1 bottle each. | 9. 1408μS/cm conductivity standard solution (50ml) 2 bottles |
| 10、9V power adapter (for instrument) 1 pc. | 11、Diaphragm cap (for dissolved oxygen electrode) 3 pcs. | 12、Dissolved oxygen electrode internal solution (30ml) 1 bottle |
| 13. Cathodic polishing paper 2 small sheets | 14. Instruction manual 1 copyc | 15. Brief operating instructions 1 copy |
