Skip Ribbon Commands
Skip to main content
​This extension for Google Chrome will allow you to click on the links in the PDF CAD files and open the related documents from your browser.

Detector for burnable gasses, HF500

Detector for burnable gasses, HF500

Combustible gas is dangerous if the concentration accumulates in such a way that there is a danger of explosion...

Product Description

Combustible gas is dangerous if the concentration accumulates in such a way that there is a danger of explosion. This level is called the lower explosion limit (LEL). The HF500 detector sounds an alarm when the gas concentration reaches 10% of the lower explosion limit (10% LEL). 

  • with green LED for recognition activation
  • with red LED and acoustic signal when gas is detected
  • automatic reset when gas disappears
  • in the event of an alarm, the acoustic signal can be switched off for 5 minutes, if gas is still present after 5 minutes, the acoustic signal will sound again
  • with yellow fault LED, this indicates that the HF500 needs to be replaced
  • with test button for monthly test
  • recommended replacement date shown on the front

Technical Properties

Switch function/capacity

alarm relay: 5A, 250Vac; SPDT 

Housing (HxWxD) 104 mm | 150 mm | 40 mm
Power source

110..230 Vac, 50/60Hz 

Media temp. -10 ... 55 oC
Maximum humidity 95 %rh

Termékek

Product Type Product description
Product

HF500NG-NEFR

Detector for natural gas


HF500LPG-NEFR

Detector for LPG