PHS-3C pH Meter

Overview
The PHS-3C pH Meter is a laboratory pH measurement instrument. It is widely used in fields such as universities, environmental protection, pharmaceuticals, food, hygiene, geological prospecting, metallurgy, and marine exploration. It is required for pH measurement of common substances including acid rain, industrial wastewater, surface water, drinking water, beverages, daily chemical products, and textiles.

Functional Features

1. Features a high-definition LCD display and button operation.
2. The instrument displays electrode slope and data stability indicator.
3. Supports balance measurement mode and continuous measurement mode.
4. Supports electrode calibration function, with a maximum of 3-point calibration.
5. Supports automatic calibration function and can automatically recognize three types of pH standard buffer solutions: GB 4.00pH, 6.86pH, and 9.18pH.
6. Supports manual calibration function and custom standard solutions.
7. Supports manual temperature compensation.
8. Supports data storage, deletion, and review, with a capacity of storing up to 50 sets of measurement results.
9. Equipped with power-off protection function and supports factory reset.
10. Complies with IP54 protection rating.

Technical Parameters

1. Power Supply: Power adapter (Input: AC 100V～240V; Output: DC 9V)
2. pH Grade: 0.01 class
3. mV Range: (-1999～1999)mV
4. Minimum Resolution: 1mV
5. Electronic Unit Indication Error: ±0.1% (FS)
6. Electronic Unit Repeatability: 1mV
7. Electronic Unit Input Current: ≤1×10⁻¹²A
8. Electronic Unit Input Impedance: ≥1×10¹²Ω
9. pH Range: (-2.00～18.00)pH
10. Minimum Resolution (pH): 0.01pH
11. Electronic Unit Indication Error (pH): ±0.01pH
12. Electronic Unit Repeatability (pH): 0.005pH
13. Instrument Indication Error: ±0.02pH
14. Instrument Repeatability: 0.01pH
15. Temperature Compensation: Manual (0.0～60.0)℃
16. Environmental Requirements: Temperature 0～40℃; Relative Humidity ≯85%
17. Dimensions and Weight: (242×195×68)mm, approximately 0.9kg