Phosphate Meter (HI 713, Checker) Phosphate Range:0.00 to 2.50 ppm(mg/L) Weighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket. Use for quick and accurate on the spot analysis. Single button operation: Zero and Measure Operated by a single AAA battery Perfect for: Natural, waste and drinking waters. | Range | | 0.00 to 2.50 ppm (mg/L) | | Resolution | | 0.01 ppm (mg/L) | | Precision | | ±0.04 ppm (mg/L) ±4% of reading @ 25°C | | Light Source | | LED @ 525 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 2 minutes of non-use and after read | | 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 Standard Method 4500-P E. |
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