This manual provides operating instructions, calibration steps, and maintenance guidelines for the CSDIHO PHB-4 portable digital pH meter.
The CSDIHO PHB-4 is a portable digital pH meter featuring a 3 1/2 digit LCD display. It is designed for measuring the pH value and mV potential of aqueous solutions in laboratory, medical, industrial, and environmental settings. The device can also function as an endpoint indicator for potentiometric analysis when equipped with an appropriate ion-selective electrode. This manual is written in Chinese.
| Measurement Range (pH) | 0 to 14.00 pH |
|---|---|
| Measurement Range (mV) | 0 to ±1700 mV |
| Resolution (pH) | 0.02 pH ±1 digit |
| Resolution (mV) | ≤0.1% (F.S) ±1 digit |
The pH measurement range is 0 to 14.00 pH, and the mV range is 0 to ±1700 mV.
The meter measures a pH range of 0 to 14.00pH and an mV range of 0 to ±1700mV.
The pH measurement accuracy is 0.02pH plus or minus one digit.
The meter measures 180mm long, 80mm wide, 40mm high, and weighs 300g.