pH Water Quality Tester Pen Type Mini pH Meter GM760 GM761 GM762 GM763 GM765 GM766 GM768 GM769
Applications
This precision measurement device is designed with high-quality components and sensors for exceptional sensitivity and accuracy. It maintains stable performance across varying temperatures and features a compact design for easy storage and portability. Capable of measuring both pH values and solution temperatures, this meter is widely used in industrial, agricultural, medical, food processing, scientific research, and environmental protection applications. Please read the instruction manual thoroughly before use to ensure accurate readings.
Features
- Measures pH value of solutions
- Measures solution temperature
- LCD backlight with hold function
- Data hold capability
- Temperature unit switch (°C/°F)
- Power-off memory function
- Solution temperature compensation
- Low battery indication
Model Comparison
| Functions | GM760 | GM761 | GM765 | GM766 | GM762 | GM763 | GM768 | GM769 |
|---|
| Measure the PH value of the solution | √ | √ | √ | √ | √ | √ | √ | √ |
| Measure the solution temperature | √ | √ | √ | √ | √ | √ | √ | √ |
| LCD backlit display | √ | √ | √ | √ | √ | √ | √ | √ |
| LCD color screen display | Ⅹ | Ⅹ | Ⅹ | Ⅹ | √ | √ | √ | √ |
| Data retention function | √ | √ | √ | √ | √ | √ | √ | √ |
| Temperature switch: ℃/℉ | √ | √ | √ | √ | √ | √ | √ | √ |
| Power-off memory function | √ | √ | √ | √ | √ | √ | √ | √ |
| Solution temperature compensation | √ | √ | √ | √ | √ | √ | √ | √ |
| Automatic calibration | √ | √ | √ | √ | √ | √ | √ | √ |
| Low battery indication | √ | √ | √ | √ | √ | √ | √ | √ |
| Power display and charging | Ⅹ | Ⅹ | Ⅹ | Ⅹ | √ | √ | √ | √ |
| Automatic shutdown | Ⅹ | Ⅹ | Ⅹ | Ⅹ | √ | √ | √ | √ |
| Red backlight alarm (when PH<3.5 or PH>11.5) | Ⅹ | Ⅹ | √ | √ | √ | √ | √ | √ |
| Automatically detect the measurement state | Ⅹ | Ⅹ | √ | √ | Ⅹ | Ⅹ | √ | √ |
Technical Specifications
| Specification | GM760 | GM761 | GM762 | GM763 | GM765 | GM766 | GM768 | GM769 |
|---|
| Range of PH | 0.0-14.0 | 0.00-14.00 | 0.0-14.0 | 0.00-14.00 | 0.1 | 0.00-14.00 | 0.0-14.0 | 0.00-14.00 |
| PH value resolution ratio | 0.1 | 0.01 | 0.1 | 0.01 | 0.1 | 0.01 | 0.1 | 0.01 |
| Accuracy | ±0.1% | ±0.05% | ±0.1% | ±0.05% | ±0.1% | ±0.05% | ±0.1% | ±0.05% |
| Temp. measuring range | 0-60℃(32-140℉) |
| Temp. resolution ratio | ±1℃ |
| Accuracy | ±1.0℃ |
| Power supply | Button battery LR44 1.5V*3 | Lithium battery 3.7V 600mAh 2.22WH(inside) | 1.5V*2 AAA battery | Lithium battery 3.7V 600mAh 2.22WH(inside) | Button battery LR44 1.5V*3 | Lithium battery 3.7V 600mAh 2.22WH(inside) | 1.5V*2 AAA battery | Lithium battery 3.7V 600mAh 2.22WH(inside) |
| Display | LCD large screen display |
| Working environment temp. | 0℃-60℃ |
| Working environment humidity | ≤85% |
| Backlight | White backlight | Ⅹ | White backlight | Ⅹ | White backlight | Ⅹ | White backlight | Ⅹ |
| Red backlight alarm | (PH<3.5 or PH>11.5) |
Packing List
- Main unit x 1pc
- Calibration powder: PH4.00, PH6.86, PH9.18 each one (for air shipping not included)
- Manual x 1pc
- Paper box and plastic box: each one
- Battery (for air shipping not included)
