YANTAI STARK INSTRUMENT CO., LTD.

1.LCD display and light-touch keys for convenient use

2.It has function of automatic temperature compensation, automatic calibration and automatic calculation of electrode slope.

3.The meter can save, delete and view measuring data. Up to 500 sets of data can be saved.

4.Five pH buffers can be chosen to calibrate the meter. The meter can perform one-point or two-point calibration.

5.It can measure pH value of pure water, ultrapure water and boiler water through isopotential point adjustment.

6.It has USB interface which can be connected with computer to download measuring data saved by meter.

Accuracy grade:0.001.

1.Measuring range:

                            pH：(0.000～14.000) pH

                            display range (-2.000～20.000) pH

                            mV：(-1999.9～1999.9)mV

                            Temperature：(-5.0～110.0)℃

2.Resolution:

                   pH: 0.001pH

                   mV: 0.1mV

                   Temperature: 0.1℃

3.Accuracy:

                  pH: ±0.002pH±1 byte

                  mV: ±0.03%FS

                  Temperature: ±0.2℃

4. Manual/automatic Temperature compensation range: (-5.0～110.0)℃

5. Power supply: DC adapter（9V,DC,800mA）

6. Size(mm): 280×215×92

7. Net Weight(kg): 1kg

8. Case serial No: WXS-A010-3

Package Size: 340X270X280mm

Gross Weight: 2.5kg

Differences between PHSJ-4A, PHSJ-4F and PHSJ-3F