Flame Photometer LFP-A10 - Digital Flame Photometer Labtron Flame Photometer measures K and Na across 0–100 ppm and 0–160 ppm with 0.01 ppm detection and response under 8 s. A 7-inch touch display, selectable flame sizes, flameout protection, and air compressor support operation. USB transfer, unit selection, and low sample uptake enable routine analysis.