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Máy đo khí RKI SP-205ASC

Mã sản phẩm: SP-205ASC
Sử dụng cho Model:
Hãng SX: Riken RKI
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Thông tin sản phẩm

The truly portable and personal leak tester model SP0205ASC can be conveniently over the shoulder with its carrying strap These units automatically draw leaking gases with each internal pump When an optional earphone is used alarm buzzer sound can be heard in spite of a hard back-ground noise. With model SP205ASC, workers can now be individually protected from potentially dangerous toxic gas leaks. These units are also used as leak checkers at pipe, pump connections. It can give an early warning indication of small leaks before they become large and potentially dangerous.

An intermittent tone sounds and an LED lamp flashes if a gas leak is detected. The tone frequency is proportional to the gas concentration, i.e., low gas concentration is signalled by a slow beep and higher gas concentration by a faster beep.

The model SP-205ASC is specially designed for the use of semiconductor industry and to detect the presence of special gas such as gaseous hydride at much higher sensitive level. Low battery alarm and gas alarm lamp are provided. After power on and turning gas selection switch to either side, find an alarm end point by turning alarm set wheel. This is ready to run. 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 show you an approximate gas concentration according to tables shown below.

Features

  • Lightweight, compact, easy to use
  • LED lamp flash, intermittent buzzer for a warning
  • Intrinsically safe design
  • Lamp goes off for low battery voltage
  • Sample draw system
  • Fast response and high sensitivity

Applications

  • Semiconductor Industry

Specifications

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 seconds
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

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