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Model 425 | Na | K | Li | Ca (Using propane/air Flame) |
Measurement Conc. range into actual Flame
Clinical mode | 0- 40 ppm | 0- 20 ppm | 0- 100 ppm 0- 1 ppm | 0- 100 ppm |
Display range ppm mmol/l | 0-199.9 1.00-9.99 10.0-199.9 | 0-199.9 1.00-9.99 10.0-199.9 | 0-199.9 1.00-5.00 | 0-199.9 1.00-9.99 10.0-199.9 |
Sensitivity to show 100 units | 0.5 ppm | 0.5 ppm | 0.5 ppm | 5.0 ppm |
Detection Limit | 20 ppb | 20 ppb | 20ppb | 0.20 ppm |
Specificity | <0.5% interference from an element at the same concentration of the element under analysis | Na Interferes by ~20% at the same conc. as Ca. This is linear and can be corrected. | ||
Linearity | ± 1% at 50% of displayed value |