| Model |
NV-500 |
| Detection Principle |
Catalytic Combustion |
| Gas Detected |
LPG or Methane |
| Detection Points per Unit |
Monitors 2 points per unit |
| Detection Range |
0-100%LEL (isobutane) |
Concentration Indicator
Alarm Set Value Indication
Backlight
Peak Hold Function (on alarm) |
LCD bar-graph meter (53 dotsx2 lines)
Direct reading scale
Yes
Holds a peak value on alarm, which is canceled by the Reset |
Alarm Set Value(default value)
/Change of the Set Value |
24%LEL |
| Alarm Accuracy |
±25% of Alarm Set Value (under identical conditions) |
| Response Time |
30s or less at 160% concentration of an Alarm Set Value
(excluding sampling delay for extractive type) |
Alarm
Indication |
Individual Alarm Lamp
Latching |
On alarm: Flashes red, lights up after the Buzzer Stop
Complete lock (Turn off by the Reset after the level declined) |
| Alarm Sound |
Standard Operation |
On alarm: Intermittent buzzer, stops after the Buzzer Stop |
| Voice Alarm |
On alarm: Intermittent buzzer |
Eternal
Alarm Output |
Individual Alarm Contact |
Dry NO contact (Contact capacity: 2A@100 VAC) |
| Individual Voltage Output |
0-6-12 VDC (20mA or less) |
| Collective Alarm Contact |
Dry NO-C-NC contact (Contact capacity: 2A@100 VAC) |
| Centralized Monitor Panel Output |
0-6-12 VDC (20mA or less) |
| External Buzzer Contact |
Dry NO contact (Contact capacity: 2A@100 VAC) |
| External Buzzer Voltage Output |
Intermittent voltage signal (12 VDC, 10mA or less) |
| Alarm Delay |
Selectable by a DIP switch (10s constant) |
| Main Power Source |
85 to 264 VAC |
Power
Consumption |
When using KD-14 |
Diffusion type (15+3.5n)VA |
| When using PD-14 |
Extractive type (15+7.5n)VA |
Backup Power
Source* |
Battery Type |
Sealed lead acid battery |
| Overdischarge Prevention Function |
Yes |
| Battery Life Check Function |
Yes |
| Battery Voltage Indication |
2-digit LED |
| Exterior Color |
Munsell 2.5PB 7.0/1.0 |
