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NV 100

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Based on seismic technology, this a high sensitivity gas detection and alarm system that delivers multi-maintenance functions, is easy to operate and handle, flawless performance and service. The equipment can be used to monitor gas leakage from LPG manufacturing, storage and consumption facilities from an accident due to gas leakage.

  • High reliable sensors
  • Easy to read LCD indicator
  • Easy to operate
  • Self diagnostic function
  • 4 relays for direct control of external device, 4-20 mA analog output
  • Backup power source
  • False alarm protection
Technical DataNV-100CNV-100HNV-100DNV-100S
Detection principleCatalytic combustion typeHot-Wire
semiestfductor type
Controlled potential
electrolysis type
Galvanic cell type
Gases to be detectedCombustible gases ( L.PG, Methane, .etc.)Toxic gases,
Semiconductor manufacturing gases
(for deficiency, for leakage)
Measuring rangeO~100%LELAs per specificationAs per specificationFor deficiency: 0~ 25%vol For leakage: 0-50%vol
Indicator unitLCD bar-graph meter with backlight
Alarm accuracyWithin ?25% of the preset alarm valueWithin ?30% of Ihe preset alarm valueWithin ?1%vol of the preset alarm value1
Operating temperature0 to 40oC
Power sourceAC IQ0-240V 50/60Hz (standard) / DC24V (Option.)
Power consumptionDiffusion type: 12VA/ 17VA (with a back-up power source)/Suction type: 4VA per unit to be add.
Aiann indicationFirst alarm: First Alarm lamp blinks red and a buzzer is heard. Second alarm: First and second Alarm lamps blink red and a buzzer is heard.
Trouble IndicationPower lamp rights up orange and the content of the failure is indicated.
External outputExternal alarm output - 1st alarm : No voltage 1c contact, 2nd alarm : No voltage 1c contact,. Trouble alarm : No voltage 1c contact. Buzzer: No voltage 1a contact (Contact capacity : AC100V 2A load resistance) Analog oulput : 0- 20mA
External dimensionsWithout backup power source : W 113.x H2O4 x D71.5mm approx. 1.5kg
With backup power source : W113x H234 x D110mm approx, 3.0kg


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