Description201 propane (LPG) gas alarms are state-of-the-art inflammable gas detectors with an internal sounder. Advanced electronics in conjunction with a semiconductor gas sensor provide early detection of propane gas, with high immunity against unwanted alarms.
Models are available powered by AC mains or from a DC 12/24 V supply (such as a security system).
Features- Detects propane (LPG) gas (C3H8)
- Advanced algorithms provide advanced detection discrimination
- Stable gas sensing chamber. No adjustment or replacement required
- High immunity against unwanted alarms
- Loud 85 dB internal alarm sounder
- Dual function action button temporarily silences unwanted alarms (Hush), and verifies alarm operation (Test)
- Separate indicators for Power, Alarm and Service
- N/C or N/O alarm relay output models available
- Interconnection function available on some models to connect up to 20 units together
- AC mains operating models available
- DC 12/24 V models available
- 5-year end-of-life timer alerts owner to replace the unit
- Low power consumption
- Attractive housing design
- Easy installation. No programming required
- Low maintenance
Specifications| Operating voltage | DC 9 V / AC (110 ~ 230) V / AC (100 ~ 240) V |
| Start-up current | ≤ 200 mA |
| Start-up time | ≤ 10 min |
| Power consumption | < 3 W |
| Quiescent condition indicator | Green LED |
| Sampling time | 3 s |
| Alarm response threshold | (0.10 ±0.04) LEL C3H8 |
| Alarm condition indicator | Flashing red LED |
| Alarm relay | SPST. N/O or N/C |
| Sounder output | ≥ 85 dB @ 3 m |
| Auto reset time | < 30 s |
| Number of interconnected units | 20 |
| Service indicator | Yellow LED |
| Operating temperature | (-10 ~ +50)°C |
| Operating humidity | (0 ~ 95)% RH, non-condensing |
| Dimensions (h × w × d) | (90 × 150 × 42) mm |
Ordering information| | DC Power | AC (110 ~ 230) V | AC (100 ~ 240) V | Interconnection | Relay Output |
| 201-001 | √ | - | - | - | - |
| 201-002 | √ | - | - | √ | - |
| 201-003 | √ | - | - | - | - |
| 201-004 | √ | - | - | √ | - |
| 201-005 | - | √ | - | - | - |
| 201-006 | - | - | √ | - | - |
| 201-007 | - | √ | - | √ | - |
| 201-008 | - | - | √ | √ | - |
| 201-009 | - | √ | - | - | √ |
| 201-010 | - | - | √ | - | √ |
| 201-011 | - | √ | - | √ | √ |
| 201-012 | - | - | √ | √ | √ |
About Numens
Formed in 2010, Numens is an emerging supplier of professional safety products for fire detection and alarm systems. Numens supplies an extensive range of addressable, non-addressable and residential products for life safety and property protection applications. Offering over 150 products and supplying to more than 100 customers around the globe, we are committed to establishing long-term relationships with our customers and suppliers.
Mission and Values
Our mission is to provide building owners with high quality, inexpensive fire detection and related equipment that will protect lives of building occupants and minimize damage to buildings through early detection and warning of a fire emergency.
Our engineers, production and support staff will design, manufacture and deliver products with performance and quality to always delight our customers.
Success in our future depends on the integrity and ethical behaviour of all our employees. We support and nourish our staff to improve and grow as responsible members of a civil society. We take personal responsibility for our actions and respect others with different views, as we continually strive for improvements for our customers, our company and ourselves.
Capabilities
Sales, engineering and production are located in Ningbo, China; just 2 hours south of Shanghai. Our Ningbo site has 10,000 m2 (100,000 ft2) of floor-space. From product concept, electrical and mechanical design, we can provide the solutions to detection needs. Our manufacturing is vertically integrated, with our capabilities including tool-making, plastic injection moulding, SMT manufacturing, and final assembly and test.
You can view our product range on our website or in our product catalogue (document number 34-0001).
Standards and Approvals
Standards approvals are important to us, giving customers additional confidence of the performance and reliability of our products. We are certified to ISO 9001:2008 and our products carry approvals to major European and North American Standards.
Formed in 2010, Numens is an emerging supplier of professional safety products for fire detection and alarm systems. Numens supplies an extensive range of addressable, non-addressable and residential products for life safety and property protection applications. Offering over 150 products and supplying to more than 100 customers around the globe, we are committed to establishing long-term relationships with our customers and suppliers.
Mission and Values
Our mission is to provide building owners with high quality, inexpensive fire detection and related equipment that will protect lives of building occupants and minimize damage to buildings through early detection and warning of a fire emergency.
Capabilities
Sales, engineering and production are located in Ningbo, China; Just 2 hours south of Shanghai. Our Ningbo site has 10, 000 m2 (100, 000 ft2) of floor-space. From product concept, electrical and mechanical design, we can provide the solutions to detection needs. Our manufacturing is vertically integrated, with our capabilities including tool-making, plastic injection moulding, SMT manufacturing, and final assembly and test.
Standards and Approvals
Standards approvals are important to us, giving customers additional confidence of the performance and reliability of our products. We are certified to ISO 9001: 2008 and our products carry approvals to major European and North American Standards.
