KQ500D Series Fixed Gas Detector (with audible and visual alarm)
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KQ500D Series Fixed Gas Detector (with audible and visual alarm)

KQ500D fixed gas detector transforms the gas density in the operating site into standard electric current signal(4-20mA). With LED display, detector’s sensor can be changed and reused as soon as it is connected to electricity.
KQ500D has excellent performance, stable operation, easy maintenance. detector can detect various gas, it meet various requirements in the operation site; it has been widely used in petrol, chemistry, metallurgy, artifice, gas transportation, biological medicine and water procession etc.

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Description

Main features:

Standard 4-20mA electric current output, compatible with existing alarm control unit or DCS (distributed control system).

  • LED display.
  • Standard three buttons to program on site.
  • Automatically identifies and displays sensor failures, and output that corresponds with signal at the same time.
  • The unit is password protected to prevent unauthorised operation.
  • Simple calibration function; reducing measuring error.
  • Two levels’ light alarm, relay output complete with audible and visual alarm.

Also Included:

IP65 Stainless steel enclosure
2 x 7ah batteries with 48hr backup
Audio and visual alarm with siren and flashing light
220vac input power.

Technical Parameters:

Detecting Gas

combustible gas, toxic gas, oxygen

Working Voltage

24VDC±15%

Signal output

4~20mA linear current output;

Deviation

± 3% F.S

Respond Time

T90 < 30 s

Recovering time

30 s

Display model

LED display

Working Temperature

toxic gas: – 20°C~ + 50°C Combustible gas: – 40 °C ~ + 70 °C

Working Humidity

10-95% R.H.(no condensation)

Explosion-proof level

Exd IICT6(used for explosion proofing detector); ExiaIICT4(used for intrinsic safety type detector)

Protection Class

IP66

Transition cable

three core shield cable RVVP 3×1.5mm2; 4×1.5mm2

Transmission distance

1000m

Weight

about 1.5kg

 

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