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DETECTION LEVELS: Manganese (Mn+2): 1
put the probe into the water and stir (make the small glass ball fully contact the liquid) and the value can be read when the value is stable
office tool and other desk items
(Pack of 4) Caplugs 1-1/8" to 1-3/16" Round Black Vinyl Flexible End Cap Bolt Screw Rubber Thread Protector Safety Cover | for 1
CNCOLETECH 20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 4" 101.6mm Dia:20mm FL:101.6mm/4" workwarehouse DETECTION LEVELS: Manganese (Mn+2): 1CNCOLETECH 20mm ZnSe Focus Lens for CO2 10600nm 10. 6um Laser Engraver Cutter Dia: 20mm FL: 4" 101. 6mm Product Features Material: Hight quality Znse crystal Focal Length: 101. 6mm 4" ; Dia: 18mm 19mm 20mm 25mm optional; Thickness: 2. 2 2. 3mm; Double sided solid Coating; Resistance to wipe; High transmittance; Long service life It's good for 40W 50W 80W 100W 130W 150W CO2 laser 10600nm 10. 6um It can be used for CO2 laser engraving and cutting well.
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