GM Series Light Meters (GM1010, GM1020, GM1030, GM1030C)
Professional split-type illuminometers designed for precise light intensity and brightness measurement in various environments including factories, schools, offices, transportation systems, and residential spaces.
Key Features
- Measures current, maximum, minimum, and difference values of illumination and temperature
- Data hold function for both illumination and temperature readings
- Calculates illuminance integral and average integral values
- Switchable illumination units (Lux/Fc) and temperature units (ºC/ºF)
- Dual recording modes: automatic storage (up to 2000 data points) and manual storage (up to 60 groups)
- Automatic range selection with quick response time
- Screen backlight for low-light operation
- Auto power-off function
Model Comparison
| Function |
GM1010 |
GM1020 |
GM1030 |
GM1030C |
| Illumination unit selection (Lux/Fc) |
Yes |
Yes |
Yes |
Yes |
| Screen backlight |
Yes |
Yes |
Yes |
Yes |
| Temperature measurement |
No |
Yes |
Yes |
Yes |
| Integrated illuminance calculation |
No |
Yes |
Yes |
Yes |
| Data storage function |
No |
Yes |
Yes |
Yes |
| Bluetooth function |
No |
No |
Yes |
No |
Technical Specifications
| Parameter |
GM1010 |
GM1020 |
GM1030 |
GM1030C |
| Illumination range |
0-200,000 Lux (4 ranges)
×1: 0-199.9 Lux
×10: 200-1999.9 Lux
×100: 2000-19999.9 Lux
×1000: 20000-200000 Lux |
| Accuracy |
±3%rdg+5dgts (<10000 Lux); ±4%rdg+10dgts (>10000 Lux) |
| Temperature range |
N/A |
0-40℃ |
-20-50℃ |
-20-50℃ |
| Power supply |
9V battery |
1.5V AAA×2 |
1.5V AAA×3 |
1.5V AAA×3 |
| Dimensions |
52.5×35.5×166mm |
150×50×30mm |
146×72×30mm |
146×72×30mm |
| Weight |
110.4g |
125g |
850g |
650g |
Product Images