PHS-430 pH meter is a microcomputer-based high-tech product, which is used to measure the pH value, electrode . Widely used in daily analysis of light industry, chemical industry, pharmaceutical, food, epidemic prevention, environmental protection, education and scientific research departments.
Large-screen LCD display, backlight function, menu navigation operation
Can store 4096 sets of data, comply with GLP function management, query, delete and print
Number/function/menu keys, self-diagnosis, user personalized settings
Multi-parameter measurement, pH, mV, RelmV, ORP, ISE, T value
0.001pH/0.01mV high-precision resolution, meeting high standard measurement requirements
4 groups of 18 kinds of pH standard solutions, one-key calibration, up to 5 points, automatic identification and calibration
Dual display of clock and date, showing current time, providing time reference for data recording function
Three measurement modes, automatic measurement, real-time measurement, timing measurement
Using the corresponding ion electrode, the ion concentration can be directly measured
13 kinds of concentration units are optional (PX, ppm, ppb, ppt, g/l, mg/l, μg/l, ng/l, %, mol/l, mmol/l, μmol/l, nmol/l)
16 built-in element ions, 2 custom element ions
The unique 9-point ion concentration calibration function can accurately calculate and establish a standard curve, and directly read the ion concentration
ATC automatic recognition, automatic/manual temperature compensation
Equipped with a special electrode converter to adapt to electrodes of various interfaces and specifications
Optional "Ark Technology PH-link" software, connected with the computer, can effectively meet the requirements of GLP

Figure 1: PHS-430 key function introduction
① Unfixed function button prompt area
②Unfixed function button area
③Number/Letter/Symbol keypad
④Fixed function button area
When the instrument is turned off, the power adapter is not unplugged from the AC220V socket, and the instrument is in the standby state of micro-power consumption.
Mode: Function key, used to switch the pH/pX/mV measurement and instrument setting functions of the instrument.
Cal: Calibration key, in pH/pX state, used for pH/pX electrode calibration;
In mV state, relative to mV blank correction.
M+: Storage key, used to store measurement information after the measurement value is stable.
"0, 1, 2, 3, 4, 5, 6, 7, 8, 9, ., ±" are used for parameter setting modification.
Enter: When parameter setting, make sure the parameter setting is valid;
In the measurement state, start a measurement operation at the automatic end point.
ESC: Return key, used to return to the previous operation.
"F1, F2, F3, F4" keys: select the instrument menu, and the corresponding help menu has detailed instructions.
