RKI Analytical Instruments

SP-205ASC Gas Leak Detector

Portable hybrid gas detector

 

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SP-205-ASC

SP-205ASC

The model SP-205ASC is specially designed for demands of the semiconductor industry and to detect the presence of special gas such as gaseous hydride at high sensitive level.
Low battery alarm and gas alarm lamp are provided for alarm indication. After power on und turning gas selection switch to either side, find an alarm end point by turning alarm set wheel. The SP-205ASC is now ready for operation.
When it is necessary to have a gas concentration, turn the alarm setting wheel counterclockwise for additional graduations in clean air after the prior alarm wheel setting.
Model SP-205ASC can detect gas concentrations according to the tables.

 

Features

  • Portable hybrid gas detector
  • Catalytic/semiconductor combination
  • Fast response and high sensitivity
  • Light weight, compact and easy to use
  • Intrinsically safe design

 

Wheel Setting and Gas Concentration

 

Model

SP-205ASC

Detection principle

Catalytic/semiconductor combination.
Sample-drawing with special built-in diaphragm pump

Measurement
components

Phosphine
(Ph3)

Arsine
(AsH3)

Diborane
(B2H6)

Silane
(SiH4)

Hydrogene
(H2)

Detectable leak amounts
(atm x 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 10 seconds

Alarm indication

Intermittent buzzer and LED lamp

Power source

4 pcs size “AA” Alkaline batteries

Continuous operation

Approx. 7 hours at +20°C

Operating temperature

0°C ~ +40°C

Dimensions
and weight

Approx. 68 x 155 x 32 mm, 400 g

Accessories

Filter unit, filter, check gas, filter unit, batteries

Optional accessories

Carrying case, earphone, long taper nozzle

Specifications subject to change without notice.

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