| Range | 0.00 to 2.00 ppm | |
| Resolution | 0.01 ppm | |
| Accuracy @ 20°C | ±0.05 ppm ±5% of reading | |
| Light Source | LED @ 575 nm | |
| Light Detector | silicon photocell | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Battery Type | (1) 1.5V AAA | |
| Auto-off | after two minutes of non-use and ten seconds after reading | |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) | |
| Weight | 64 g (2.25 oz.) | |
| Method | adaptation of SPADNS method |
