| GENERAL FEATURES &SPECIFICATIONS | һ㹦ܺҎ(gu) | 
|  |  |  | 
|  | AR-828 | AR-838 | 
| 
| Detect Items ̽yĿ
 | Dangerous explosive gases ȼw
 | Halogenated refrigerants еu䄩
 |  | 
| Adjustable Senstivity |  |  | 
| `ȿ{(dio) | 
| Constant Power Indication |  |  | 
| Դָʾ | 
| LED indicate Leak Size |  |  | 
| LEDָʾй© | 
| Rapid Warm-up |  |  | 
| A | 
| Ultimate Sensitivity | 5ppm | SAEJ1627stamd level;0.5ounce/year | 
| ` | SAEJ1627˜;0.5˾/ | 
| Low Battery Indication |  |  | 
| @ʾ | 
| Hight Effieciency Pesponse and clearing |  |  | 
| TimesøЧý푑rg | 
| Instantaneous Response |  |  | 
| ٷ | 
| Adjustable Detection Contronl |  |  | 
| {(dio)̽y | 
| Long Flexible Stainless Prove handle |  |  | 
| ^LԲP̽^̽yЅ^(q) | 
| Reset button on the probe handle | ____ |  | 
| ̽^ùܰI | 
|  |  |  | 
|  |  |  |