| The NB-920 Stand- alone Gas detector series were designed to meet both UL1484 and EN50194 standards. The core component is the famous Japanese gas sensor. AC power input only,ranges from 100V to 240V.The state-of-the art microprocessor design of NB-920 ensures a continuous and precise monitoring of flammable gas. |
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| Product Features: |
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●FIGARO semiconductor sensor heads used for accurate flammable gas detection
●Using microprocessor for circuit control and gas monitoring to assure performance stability and reliability
●NB-920-L detects methane gas, NB-920-L detects propane gas in a continuous manner
●SMT circuit board design with FR4 double sides PCB -satisfactory quality and reliability guaranteed
●Test button verifies alarm operation any time
●Sounding a loud alarm signal of exceeding 85 dB
.at 10 feet
●Easy installation and maintenance
●Complying the UL-1484 standard and EN50194
●No battery is required for circuit control
●Ergonomic design of detector casing |
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Sensor Specification：
| Model |
Power supply |
Sensitivity
|
Operating temperature
|
Humidity |
Dimensions |
NB-920DL |
12VDC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920DLR |
12VDC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920DLI |
12VDC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920DN |
12VDC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920DNR |
12VDC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920DNI |
12VDC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920AL |
100/110/120/220/230/240/VAC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920ALR |
100/110/120/220/230/240/VAC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920ALI |
100/110/120/220/230/240/VAC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920AN |
100/110/120/220/230/240/VAC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920ANR |
100/110/120/220/230/240/VAC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
NB-920ANI |
100/110/120/220/230/240/VAC |
Per UL 1484 or EN 50194 |
0℃ to +40℃ |
0% to 95% RH |
118*73*34mm |
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| The Range Includes: |
| Model |
DC 12V |
AC 110/220 V |
Propane Gas
|
Natural Gas
|
AC hardwire connector
|
Interconnection function |
Relay output |
UL-1484 Approval |
CE Approval |
NB-920DL |
x |
|
x |
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|
x |
NB-920DLR |
x |
|
x |
|
x |
|
x |
|
x |
NB-920DLI |
x |
|
x |
|
x |
x |
|
|
x |
NB-920DN |
x |
|
|
x |
x |
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x |
NB-920DNR |
x |
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x |
x |
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x |
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x |
NB-920DNI |
x |
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x |
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x |
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x |
NB-920AL |
|
x |
x |
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x |
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x |
NB-920ALR |
|
x |
x |
|
x |
|
x |
|
x |
NB-920ALI |
|
x |
x |
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x |
x |
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x |
NB-920AN |
|
x |
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x |
x |
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x |
NB-920ANR |
|
x |
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x |
x |
|
x |
|
x |
NB-920ANI |
|
x |
|
x |
x |
x |
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x |
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