For use in applications examining pharmaceutical and biochemical samples, clinical and biological fluids, industrial processes and environmental testing.
- Dual channel emission flame photometer with Na, K and Li filters and additionally offering simultaneous Na and K results, built-in lineariser for clinical samples, Li internal standard referencing for enhanced accuracy, microprocessor control and monitoring of measurements, continuous or peak mode operation, and built-in RS232 port for result output.
- Digital readout with moveable decimal point
- Automatic air regulation
- Auto-ignition of flame
- Gas cut-off safety feature
- Integral ‘fail-safe’ flame monitoring
- Recorder output
| Model | 420 Clinical | |
| Sensitivity | Minimum concentrations producing a display reading of 100 scale units: Na: 0.5ppm. K: 0.5ppm, Li: 2ppm | |
| Detection limts | Na, K <0.02ppm at 2 x standard deviation | |
| Specificity | <0.5% to reading from interferent of Na, K, Li equal to the concentration of element under test | |
| Drift | % | <1 |
| Reproducibility | % | <0.5 (Peak ref. mode) |
| Display channels | 2 (LED) | |
| Result display | Auto peak | |
| Result storage | Yes | |
| Outputs | Adjustable analogue and RS232 | |
| Dimensions | mm | 390 x 345 x 510 |
| Weight | kg | 10 |
| Services required | ||
| Electrical | 198-264V 50/60Hz | |
| Air | Moisture and oil free 6 litres/minute at 1kg/cm2 | |
| Gas | High grade propane, butane or propane/butane mixture. Fuel should be free from heavy hydrocarbon deposits and regulated to 30 p.s.i. at the cylinder. |
With Na, K and Li filters, fuel and air connection, 1000ppm standard solutions for Na, K and Li, software and instructions. Requires but does not include an air compressor of the correct type and gas regulator. For 198-264V 50/60Hz single phase supplies.
Industrial version also available - details on request.