Brief description: SC-P704 portable touch screen pH/conductivity/TDS measuring instrument is a multi parameter measuring instrument used for high-precision laboratory measurements, covering various electrochemical parameters such as pH and conductivity. Portable touch screen pH/conductivity/TDS measuring instrument, portable water quality multi parameter measuring instrument, portable ion multi parameter detection instrument, ion meter, portable ion detector is suitable for industries such as petroleum, chemical, pharmaceutical, power plant, and environmental protection, and has a wider range of applications in education and scientific research. Multi purpose: Built in pH module, conductivity module

1、 Product Introduction
The SC-P704 portable touch screen pH/conductivity/TDS measuring instrument is a multi parameter measuring instrument used for high-precision laboratory measurements, covering various electrochemical parameters such as pH and conductivity. Portable touch screen pH/conductivity/TDS measuring instrument, portable water quality multi parameter measuring instrument, portable ion multi parameter detection instrument
The portable ion detector is suitable for industries such as petroleum, chemical, pharmaceutical, power plant, and environmental protection, and has a wider range of applications in education and scientific research.
Multi purpose: Built in pH module, conductivity module
Testing items: pH value/mV value/conductivity/resistivity/TDS/salinity/temperature
2、 Instrument features
1.7-inch color high-resolution (1024 * 600) capacitive touch screen, UI design, navigation style operating experience, high sensitivity, complete parameter display, intuitive, easy to use and simple. The host shell is made of PEEK material, which is resistant to high temperature, corrosion and aging.
2. Built in ARM32-bit microprocessor chip, using digital filtering and slip technology to intelligently improve the response speed of the instrument and the accuracy of measurement data. The circuit board adopts SMT surface mount technology, which improves the reliability of product processing.
3. The main interface of the instrument can display pH/mV/conductivity/temperature values simultaneously. Clicking on each item module allows you to view detailed detection values for each item and perform calibration for each item.
4. Compliant with international GLP requirements, it has intelligent functions such as automatic calibration, automatic temperature compensation, data storage, USB output, clock display, wireless printing, function settings, and self diagnostic information.
5. The instrument is equipped with a bilingual operating system in both Chinese and English, with user-friendly operation design. The brightness of the instrument can be adjusted, and the temperature unit can be freely switched between ℃ and ℉.
6. The built-in large capacity storage can store 2000 sets of measurement data, which can be transferred through USB storage. The stored data can be opened with the universal office software EXELL, greatly facilitating customer editing.
7. The instrument supports USB interface and data export, making it easy to view data on a computer. It can be customized with specialized operating software and can be connected to a PC for convenient data storage and management.
8. Scalability: Different pH electrodes can be easily and quickly replaced (matching electrodes can be selected for measuring different samples) to measure pH. Different electrodes can be replaced (electrodes with different electrode constants can be selected) to measure conductivity.
9. Automatically identify 8 types of conductivity standard solutions, with two series of standard solutions to choose from: European and American series and Chinese series. Automatically identify 15 pH standard buffer solutions, with three series of standard buffer solutions to choose from: European and American series, NIST series, and Chinese series.
10. It can intelligently determine the electrode status to ensure accurate use by customers.
11. Switchable conductivity TDS、 Salinity and electrical resistivity. TDS and salinity are calculated using polynomials to ensure full range conversion accuracy.
12. Rechargeable lithium battery power supply, supporting power and portable power charging
13. Designed to meet the IP54 dustproof and splash proof rating.
3、 Instrument parameters
PH measurement range: (-1.99~19.99) pH
Resolution: 0.1/0.01pH
Accuracy: Electrometer: ± 0.01 pH, matching: ± 0.02 pH
Input current: ≤ 1 × 10-12 A
Input impedance: ≥ 3 × 1012 Ω
Stability: ± 0.01 pH/3h
Temperature compensation range: manual/automatic (0-100.0) ℃
※ mV measurement range (mV/ORP/EH): -2000mV~0~2000mV
Resolution: 1mV
Accuracy: ± 0.1% FSmV
※ Conductivity measurement range: (0.00~20.00) μ S/cm (20.0~20.0) μ S/cm
(200~2000)μS/cm(2.00~20.00)mS/cm
(20.0~200.0)mS/cm(200~2000)mS/cm(K=10)
Electrical resistivity: (0~100) M Ω· cm
TDS:(0~100)g/L
Salinity: (0~100) ppt
Resolution: 0.01/0.1/1 μ S/cm 0.01/0.1/1 mS/cm
Accuracy: Electrometer: ± 0.5% FS, Supporting: ± 1.0% FS
Temperature compensation range: (0~100) ℃ (manual/automatic)
Electrode constant: 0.1/1/10cm-1
Reference temperatures: 25 ℃, 20 ℃, and 18 ℃
Data storage: 2000 sets
Storage content: measurement value number, measurement value, temperature value, ATC or MTC status, measurement date, measurement time
Power supply: rechargeable lithium battery, 3.7V/1800mA rechargeable lithium battery
Communication interface: USB 2.0, wireless Bluetooth (optional)
Size and weight: 160 × 190 × 70mm/880g
Working conditions: Environmental temperature: 5-35 ℃ (0.01 level) 15-30 ℃ (0.001 level)
Environmental humidity: ≤ 75%