Masur Technology Co.,Ltd,
precision, high quality measurement instrument
Add to Cart
Desktop digital pH meter pH test instrument with high precision acidity meter PHS-2C PHS25 PHS-3C
Summary
PHSThe type digital display acidity meter is used for the laboratory measurement.PHValue of the high precision instrument, withPH,MVDual function. UseE201Composite electrode, fast response, good stability. This instrument is widely used in many fields, such as scientific research, teaching, agriculture and so on.
Working principle
By sensor (PHComposite electrode) will be hydrogen ion activity in aqueous solution into electrical energy, electrical energy input to the instrument, through the operational amplifier, current detection, theA/DConvert to digital display. The above electric energy conforms to the equation of the equation of the:
Technical parameters and working conditions
| Model No.; | PHS-2C | PHS-25 | PHS-3C | |
| Accuracy | Ph | ± 0.05 | ± 0.02 | ± 0.01 |
| MV | ±10mV | ±10mV | ±2mV | |
| Range | Ph | (0.00~14.00) pH | 0.00~14.00pH | (0.00~16.00) pH |
| MV | 0~±1999mV | 0~±1999mV | (0~±1999) mV | |
| Resolution | PH | 0.01 pH | ||
| MV | 1 mV | |||
| Stability | ± 0.01 pH/12h | |||
| Ambient temperature | (5 ~ 45) ℃ | |||
| Temperature Compensation | 0~60℃ | |||
| Relative humidity | ≤ 85% RH | |||
| Identify Three Types Of Standard Buffer Solution | PH4.00； PH6.86； PH9.18, | |||
| Product Size | 220mm×200mm×85mm | |||
| Power | AC (220V ± 22) V (50 ± 0.5) Hz, no significant vibration and strong magnetic interference | |||