| Model |
NV-120Cv |
NV-120Ci |
| Sensor Type |
Catalytic |
| Target Gas |
Combustible gases |
| Detection Range |
Gas detection unit |
| Power Voltage |
AC specifications: AC100 to 240V ±10% or DC specifications: DC24V (DC18 to 26.4V) * 1 |
| Power Consumption * 2 |
AC specifications
Without safety power source: Standard 2.0VA (Maximum 3.4VA)
With safety power source*5 : Standard 2.1VA (Maximum 4.7VA)
DC specifications
Without safety power source: Standard 2.0W (Maximum 3.4W) |
| External Outputs |
・Power source output: DC24V±10% Max. 0.3A
・Signal output: 4-20mA analog output or 1-5V output * 1 In the event of a malfunction, the output is 0.6mA or less (4-20mA specification) or 0.25V or less (1-5V specification)
・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
・Faulty contact output: 1a or 1b *1 No voltage AC250V 2A, DC30V 2A
・Buzzer contact: 1a non-voltage AC250V 2A, DC30V 2A |
| Display |
Color LCD (with backlight) |
| Status Indicator |
power source 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 “Gas alarm” (when Japanese voice is selected)
・2nd alarm: Alarm LED flashes red (fast) + LCD display+ buzzer sound (short intermittent sound) + voice message “Gas alarm” (when Japanese voice is selected) |
| Fault Alarm Display |
Fault LED yellow light + LCD display+ buzzer sound (short intermittent sound) + voice message * 3 |
| Alarm Mode * 1 |
Self hold function or automatic return |
| Alarm Set Value |
Set to user specifications |
| Alarm Accuracy |
Gas detection unit |
| Alarm Delay |
Gas detection unit |
| Compliance |
European RoHS Directive (2011/65/EU) *4 |
| Body Color |
Body resin color: DIC546 1/2 backup power source unit sheet metal paint color: Munsell 10Y8.5/1 |
| Weight |
Without backup power source: Approx. 750g
With backup power source: Approx. 2.2kg |
| Dimensions |
Without backup power source: W113mm x D77mm x H219mm
With backup power source: W113mm x D115mm x H234mm |
| Operating Temperature |
Without backup power source: -10 to 50°C
With backup power source: 0 to 40°C *No sudden temperature changes |
| Operating Humidity |
0 to 90% RH *No condensation |
| Installation Method |
Wall mount type or panel Panel mounted type |
| Protection Rating |
IP2X when installed |
Safety Power Source Specifications
*1 , 5 , 6 |
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)) |
