The LH-P300 pH test pen adopts a flat-head electrode and supports automatic temperature compensation. It is suitable for the pH measurement of flat materials and a small amount of samples. Exquisite and compact design concept, clear and easy-to-read data interface, excellent anti-interference performance, combined with high-brightness backlighting, the measurement operation can be completed with one hand, which can meet your different measurement needs and experience the fun of testing.
LH-P300 Product Pen Type PH Meter

Features:
Values are automatically locked
Platinum round plane electrode
Multi-line energy storage backlit screen
IP65 protection level
Electrode self-diagnosis
Intuitive and simple operation

Application:

| Project | Instrument electronic unit parameters | Instrument complete set of measurement parameters |
| pH range | 0.00pH-14.00pH | |
| pH resolution | O.OIpH | |
| pH accuracy | ±0.01pH | ±0.1pH |
| Temperature measurement range | 0-100.0°C/32-212°F | |
| Operation temperature range | 0-60.0°C/32-140°F | |
| Temperature resolution | 0.1°C/1°F | |
| Temperature accuracy | ±0.2°C(0°C-60°C) | ±0.5°C(0°C-60oC) |
| Calibration pH standard solution | Automatic recognition of 3-point standard solution calibration | |
| USA: 4.01,7.00,10.01 | ||
| NIST: 4.01,6.86,9.18 | ||
| pH electrode | High impedance planar electrode | |
| Temperature compensation | NTC22K automatic temperature compensation | |
| Lock function | Manual / Auto | |
| Screen | 20*50mm multiline LCD backlit display | |
| Protection level | IP65 | |
| Automatic backlight | 1 minute | |
| Automatic shut-down | 20 minute | |
| Power | 1*1.5V AAA battery | |
| Size | 185*40*48mm | |
| Weight | 95g | |