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Ammonia, High Range, Portable Photometer
| Range | 0.0 to 50.0 mg/L (ppm) | |
| Resolution | 0.1 mg/L | |
| Accuracy | ±0.5 mg/L ±5% of reading @ 25°C | |
| Light Source | Tungsten Lamp | |
| Light Detection | silicon photocell with narrow band interference filter @ 420 nm | |
| Power Supply | 9V battery | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Dimensions | 192 x 104 x 69 mm (7.6 x 4.1 x 2.7") | |
| Weight | 360 g (12.7 oz.) | |
| Method | adaptation of the ASTM Manual of Water and Environmental Technology, D1426-92, Nessler method |
