NV-120 Series

Single Point Gas Alarm System

Features

Features

  • āļĢāļ­āļ‡āļĢāļąāļšāļāļēāļĢāļ•āļĢāļ§āļˆāļˆāļąāļšāđāļāđŠāļŠāļ—āļĩāđˆāļŦāļĨāļēāļāļŦāļĨāļēāļĒ : āđāļāđŠāļŠāļ•āļīāļ”āđ„āļŸ āđāļāđŠāļŠāđ€āļ‰āļĩāđˆāļ­āļĒ āđāļāđŠāļŠāļžāļīāļĐ āđāļĨāļ°āļ­āļ­āļāļ‹āļīāđ€āļˆāļ™ āđ‚āļ”āļĒāļĄāļĩāļĢāļļāđˆāļ™āļĒāđˆāļ­āļĒāļ—āļĩāđˆāļ­āļ­āļāđāļšāļšāļĄāļēāđ€āļ‰āļžāļēāļ°āļŠāļģāļŦāļĢāļąāļšāđāļāđŠāļŠāđāļ•āđˆāļĨāļ°āļ›āļĢāļ°āđ€āļ āļ—
  • āļāļēāļĢāđāļŠāļ”āļ‡āļœāļĨāļ—āļĩāđˆāļŠāļąāļ”āđ€āļˆāļ™ : āļĄāļēāļžāļĢāđ‰āļ­āļĄāļŦāļ™āđ‰āļēāļˆāļ­ LCD āļ‚āļ™āļēāļ”āđƒāļŦāļāđˆ āđāļŠāļ”āļ‡āļ„āđˆāļēāļ„āļ§āļēāļĄāđ€āļ‚āđ‰āļĄāļ‚āđ‰āļ™āļ‚āļ­āļ‡āđāļāđŠāļŠāđāļĨāļ°āļŠāļ–āļēāļ™āļ°āļāļēāļĢāļ—āļģāļ‡āļēāļ™āļ‚āļ­āļ‡āļĢāļ°āļšāļšāļ­āļĒāđˆāļēāļ‡āļŠāļąāļ”āđ€āļˆāļ™
  • āļāļēāļĢāđāļˆāđ‰āļ‡āđ€āļ•āļ·āļ­āļ™āļ—āļĩāđˆāļĄāļĩāļ›āļĢāļ°āļŠāļīāļ—āļ˜āļīāļ āļēāļž : āđ€āļĄāļ·āđˆāļ­āļĢāļ°āļ”āļąāļšāđāļāđŠāļŠāļ–āļķāļ‡āļ„āđˆāļēāļ—āļĩāđˆāļāļģāļŦāļ™āļ” āļĢāļ°āļšāļšāļˆāļ°āđāļˆāđ‰āļ‡āđ€āļ•āļ·āļ­āļ™āļ”āđ‰āļ§āļĒāđ€āļŠāļĩāļĒāļ‡āđāļĨāļ°āđ„āļŸ LED āđ€āļžāļ·āđˆāļ­āđƒāļŦāđ‰āļœāļđāđ‰āđƒāļŠāđ‰āļ‡āļēāļ™āļĢāļąāļšāļĢāļđāđ‰āđāļĨāļ°āļ•āļ­āļšāļŠāļ™āļ­āļ‡āđ„āļ”āđ‰āļ—āļąāļ™āļ—āļĩ
  • āļāļēāļĢāļ­āļ­āļāđāļšāļšāļ—āļĩāđˆāļ—āļ™āļ—āļēāļ™ : āđ‚āļ„āļĢāļ‡āļŠāļĢāđ‰āļēāļ‡āđāļ‚āđ‡āļ‡āđāļĢāļ‡ āļ—āļ™āļ—āļēāļ™āļ•āđˆāļ­āļŠāļ āļēāļžāđāļ§āļ”āļĨāđ‰āļ­āļĄāļ—āļĩāđˆāļŦāļĨāļēāļāļŦāļĨāļēāļĒ āđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāđƒāļŠāđ‰āļ‡āļēāļ™āđƒāļ™āļ­āļļāļ•āļŠāļēāļŦāļāļĢāļĢāļĄ
  • āļāļēāļĢāļ•āļīāļ”āļ•āļąāđ‰āļ‡āđāļĨāļ°āļšāļģāļĢāļļāļ‡āļĢāļąāļāļĐāļēāļ‡āđˆāļēāļĒ : āļ­āļ­āļāđāļšāļšāđƒāļŦāđ‰āļ•āļīāļ”āļ•āļąāđ‰āļ‡āđāļĨāļ°āļšāļģāļĢāļļāļ‡āļĢāļąāļāļĐāļēāđ„āļ”āđ‰āļ‡āđˆāļēāļĒ

Specifications 

ModelNV-120CvNV-120CiNV-120HvNV-120HiNV-120DxNV-120SxNV-120Mx
Connectable DetectorsKD-5KD-2/-3
KD-14
PE-2DC
PD-14
KD-5KD-2/-3
KD-14
PE-2DC
PD-14
KS-2D
PS-2DP
KD-5D
KS-2O
PS-2OP
KD-5O
KD-12
PD-12
Sensor TypeCatalyticHot wire semiconductorElectrochemical CellGalvanic CellDepends on Gas Detection Unit
*(4-20mA input)
Target GasCombustible gases Toxic GasOxygenDepends on Gas Detection Unit
Power SupplyAC Type : AC100-240VÂą10%
DC Type : DC24V (DC18 to 26.4V)
Power Consumption
  • AC Type
    Non-backup power type : 2.0VA (Maximum 3.4VA)
    Backup power type : 2.1VA (Maximum 4.7VA)
  • DC Type
    Non-backup power type : 2.0W (Maximum 3.4W)
External Outputs
  • Power output: DC24VÂą10% Max. 0.3A
  • Signal output: 4-20mA analog output or 1-5V / In the event of a malfunction : 0.6mA or less (4-20mA type) or 0.25V or less (1-5V type)
  • 1-stage alarm contact output: 1a or 1b *1 No voltage AC250V 2A, DC30V 2A
  • 2-stage alarm contact output: 1a or 1b *1 No voltage AC250V 2A, DC30V 2A
  • Fault alarm output: 1a or 1b *1 No voltage AC250V 2A, DC30V 2A
  • Buzzer contact: 1a non-voltage AC250V 2A, DC30V 2A
DisplayColor LCD (with backlight)
Status IndicatorPower Supply LED: Green
Alarm LED: Red (1st alarm: Flashing, 2nd alarm: Flashing (fast))
Fault LED: Yellow
Alarm Display
  • 1st alarm: Alarm LED flashes red + LCD display+ buzzer (long intermittent sound) + voice message
  • 2nd alarm: Alarm LED flashes red (fast) + LCD display+ buzzer sound (short intermittent sound) + voice message
Fault Alarm DisplayFault LED yellow light + LCD display+ buzzer sound (short intermittent sound) + Voice message
Alarm ModeSelf hold function or automatic return
Alarm Set ValueSet to user specifications
Alarm AccuracyDepends on gas detection unit
Alarm DelayDepends on gas detection unit
Operating Temperature and HumidityNon-backup power type : -10 to 50°C
Backup power type : 0 to 40°C *No sudden temperature changes
0 to 90% RH *No condensation
External DimensionsNon-backup power type : W113mm x D77mm x H219 mm
Backup power type : W113mm x D115mm x H234 mm
WeightNon-backup power type : Approx. 750g
Backup power type : Approx. 2.2kg
Installation Method Wall mount type
Panel mounted type
Protection Rating IP2X when installed
Backup Power Supply Specifications
  • Without intermittent monitoring mode: After a power outage, gas leak are monitored continuously for 120 minutes or more
  • With intermittent monitoring mode: After a power outage, gas leaks are monitored continuously for 120 minutes, and then monitored intermittently (10-second monitoring every 15 minutes)
    (Intermittent monitoring period: up to 7 days (diffusion type), up to 2 days (suction type))

 


 


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