SP-205ASC Portable as leak checker for PH3, AsH3, B2H6, SiH4, or H2

Model	SP-205ASC
Detection Principle	Catalytic/semiconductor combination. Sample-drawing with special built-in diaphragm pump
Gases Detected	PH3 Phosphine	AsH3 Arsine	B2H6 Diborane	SiH4 Silane	H2 Hydrogen
Detectable leak amounts (atm • cc/sec)	1.5 x 10-6	1.0 x 10-6	0.5 x 10-6	2.5 x 10-6	5.0 x 10-6
Detectable Concentration	0.3 ppm	0.2 ppm	0.1 ppm	0.5 ppm	1.0 ppm
Response Time	Within ten minutes
Alarm Indication	Intermittent buzzer and LED lamp
Power Source	Size "AA" Alkaline battery cells x 4 pieces Continuous operating time approx. 7 hours at 20ºC Automatic voltage drop indication
Operating Temperatures	0ºC ~ +40ºC
Outer Dimensions & Weight	68(W) x 155(H) x 32(D)mm, Approx. 400g 2.7(W) x 6.1(H) x 1.3(D)inch, Approx. 0.9lb
Accessories	Carrying case, check gas, filter unit, filter, batteries, taper nozzle
Optional Accessories	Earphone, long taper nozzle