Sensidyne Detector Tube: Phosphine (PH3)
121SH (10-3200 ppm) SO*
121SS (200 to 6000 ppm) SO*
121U & Arsine (AsH3) (0.05-2.0 ppm)
121SC (20-700 ppm) SO*
121SD (0.25-20 ppm) SO*
121SG (5 to 150 ppm) SO*
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Sensidyne Detector Tube: Phosphine (PH3)
121SH (10-3200 ppm) SO*
121SS (200 to 6000 ppm) SO*
121U & Arsine (AsH3) (0.05-2.0 ppm)
121SC (20-700 ppm) SO*
121SD (0.25-20 ppm) SO*
121SG (5 to 150 ppm) SO*