Shenzhen Symank Technology Co., Ltd.
| Sensor Life Span | 5 years |
| Alarm Sound Level | ≥85dB at 1 meter |
| Detection Method | Semiconductor Sensor |
| Name | Gas Leak Alarm |
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 50K/Month |
| Delivery Time | 5 days |
| Packaging Details | Color box,size:110×55×110mm,60pcs in one carton,carton size:61x30x28cm |
| Detection Gas Types | Methane, Propane, Butane, LPG, Natural Gas |
| Response Time | ≤10 seconds |
| Installation Location | Wall-mounted, near gas source |
| Reset Method | Manual reset button |
| Power Supply | AC 90~220V |
| Alarm Type | Sound and Light Alarm |
| Certifications | CE, SGS, RoHS |
| Operating Temperature Range | -10°C to 50°C |
| Weight | About 200 grams |
| Operating Humidity Range | ≤95% RH (non-condensing) |
| Dimensions | Approx. 120mm x 70mm x 40mm |
| Brand Name | Symank |
| Model Number | JKD-839 |
| Certification | CE/ROHS/UKCA/SGS |
| Place of Origin | China |
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Product Specification
| Sensor Life Span | 5 years | Alarm Sound Level | ≥85dB at 1 meter |
| Detection Method | Semiconductor Sensor | Name | Gas Leak Alarm |
| Payment Terms | L/C,T/T,Western Union | Supply Ability | 50K/Month |
| Delivery Time | 5 days | Packaging Details | Color box,size:110×55×110mm,60pcs in one carton,carton size:61x30x28cm |
| Detection Gas Types | Methane, Propane, Butane, LPG, Natural Gas | Response Time | ≤10 seconds |
| Installation Location | Wall-mounted, near gas source | Reset Method | Manual reset button |
| Power Supply | AC 90~220V | Alarm Type | Sound and Light Alarm |
| Certifications | CE, SGS, RoHS | Operating Temperature Range | -10°C to 50°C |
| Weight | About 200 grams | Operating Humidity Range | ≤95% RH (non-condensing) |
| Dimensions | Approx. 120mm x 70mm x 40mm | Brand Name | Symank |
| Model Number | JKD-839 | Certification | CE/ROHS/UKCA/SGS |
| Place of Origin | China | ||
| High Light | AC Powered Gas Leak Alarm ，Gas Leak Alarm 90V ，220V Combustible Gas Detector For Home | ||
A distributor sourcing residential gas safety products often faces a simple problem: different markets use different household fuels.
Some homes rely on pipeline natural gas, while others use LPG. If a distributor has to manage completely different product platforms for every gas application, it can increase purchasing complexity, packaging requirements, inventory planning and sales management.
This is where the JKD-839 Dual-Fuel Gas Detector offers its strongest value.
The JKD-839 is designed for natural gas and LPG detection applications, allowing distributors to use one residential gas detector platform to address two of the most common household combustible gas categories.
But versatility alone is not enough for a safety product.
The JKD-839 also combines SGS certification, EN50194-1:2009 compliance, a catalytic gas sensor, AC 100–240V power supply, ≥85dB audible warning and EU, US and Australian plug options.
Because it combines:
Natural Gas + LPG + SGS + EN50194 + Multi-Market Plug Options
into one professional residential gas safety platform.
That is the central purchasing reason behind the JKD-839.
Many gas leak detectors can be summarized by a simple list of specifications.
Power supply.
Sensor.
Alarm volume.
Dimensions.
But professional buyers need a more important answer:
For JKD-839, the answer is its dual-fuel market flexibility.
Instead of positioning the product only as a methane detector or only as an LPG alarm, distributors can develop the JKD-839 around both major residential gas applications:
This gives importers greater flexibility when building a regional product range.
A distributor serving several countries may encounter very different household gas usage patterns. Having a single product family capable of addressing both applications can make sourcing and portfolio management more straightforward.
Natural gas is widely used for residential cooking and heating.
Methane (CH4) is the principal component of natural gas, which is why terms such as natural gas detector, methane detector, and CH4 gas detector are frequently used when buyers search for this product category.
The JKD-839 can therefore serve customers looking for:
Its specified detection gas is CH4, with an alarm concentration of:
When the defined alarm condition is reached, the unit activates its sound and light warning.
Natural gas is not the only fuel used in residential environments.
Many households and markets depend on liquefied petroleum gas (LPG).
This means distributors often need products suitable for customers searching for:
JKD-839's ability to address LPG applications gives distributors an additional market opportunity without abandoning the same core product platform.
This is particularly useful for importers selling home safety products across countries or customer groups with different gas usage patterns.
For B2B customers, product value is not only determined by what happens after the detector is installed.
The product must also make commercial sense before it reaches the end user.
Imagine a distributor serving several markets.
Market A mainly uses natural gas.
Market B has strong LPG demand.
Market C sells both.
A narrowly positioned detector may only address one part of this business.
The JKD-839 offers a more flexible proposition because the product platform supports both natural gas and LPG applications.
This can help buyers simplify:
This commercial flexibility is one of the main reasons a professional distributor may choose JKD-839 over a more narrowly positioned gas detector.
Versatility is useful, but residential gas safety products also need credible technical support.
JKD-839 is supported by:
For professional buyers, third-party certification can be an important part of supplier and product evaluation.
It helps distinguish the JKD-839 from low-cost generic gas leakage alarms where certification documentation may be unclear or unavailable.
For distributors, SGS support can help with:
This makes the JKD-839 more than simply a dual-fuel product—it is a dual-fuel product backed by recognized third-party testing documentation.
The JKD-839 is manufactured according to:
For buyers targeting European residential safety markets, this is another major purchasing consideration.
When a procurement team compares two visually similar home gas detectors, the applicable standard and supporting documentation can become a decisive difference.
JKD-839 therefore combines two important B2B advantages:
Flexible Gas Applications + European Standard
This is especially valuable for established home safety brands that do not want to build their product range around uncertified generic devices.
The JKD-839 uses a:
Catalytic sensor technology is designed for combustible gas detection and provides a practical sensing solution for residential applications.
The detector operates using:
Rather than requiring an active air pump, surrounding air naturally reaches the sensing element.
This allows the detector to continuously monitor the surrounding indoor environment during normal operation.
The specified maximum sensor lifetime is:
providing distributors with a clearly defined sensor service period for product documentation and replacement communication.
The specified alarm concentration of JKD-839 is:
LEL refers to the Lower Explosive Limit, a standard concept used to describe combustible gas concentrations.
When the specified alarm condition is reached, the detector provides both audible and visual warning.
Clearly defined alarm specifications are particularly important for professional buyers comparing different combustible gas alarms, because they allow products to be evaluated using measurable technical parameters rather than marketing descriptions alone.
JKD-839 uses mains power rather than lithium batteries.
For residential customers who prefer continuous plug-in operation, this provides several practical advantages:
This positions JKD-839 as an AC powered gas detector for permanent residential applications.
The multi-market philosophy of JKD-839 extends beyond gas applications.
Three plug options are available:
Combined with the AC 100–240V input, this gives international buyers additional flexibility.
A customer operating in multiple markets can maintain a common product platform while selecting the plug configuration required for the destination market.
This reinforces the central value proposition of JKD-839:
When the alarm condition is reached, the JKD-839 activates:
The specified alarm volume is:
The combination of audible and visual indication provides a clear warning for residential occupants.
This straightforward alarm method also makes the product easy for distributors to explain and for consumers to understand.
JKD-839 is designed as an indoor residential gas detection device.
The specified operating conditions are:
Temperature: -10°C to +50°C
Relative Humidity: ≤95%, non-condensing
Atmospheric Pressure: 86kPa–106kPa
Potential applications include:
Installation must follow the supplied user manual and the requirements appropriate to the target gas.
JKD-839 has approximate dimensions of:
and weighs approximately:
The compact housing integrates the catalytic sensor, AC power system and sound/light warning components into a practical residential format.
For private-label brands, the relatively compact design also supports straightforward retail packaging.
The JKD-839 is particularly suitable for professional customers who want one certified product platform capable of addressing different residential gas markets.
Typical buyers include:
It can also complement an existing portfolio containing smoke alarms and carbon monoxide detectors.
For a B2B buyer, the purchasing case can be summarized clearly.
One product platform can address two major residential gas applications.
Professional third-party certification provides stronger technical credibility.
A clear European residential combustible gas detection standard supports market positioning.
The product can be adapted for multiple regional markets.
Wide voltage input makes international sourcing easier.
Established combustible gas sensing technology supports continuous residential monitoring.
The platform can be adapted to the distributor's own brand.
Taken together, these features make JKD-839 particularly attractive to buyers who want to reduce product complexity without sacrificing certification or market flexibility.
As a professional gas detector manufacturer, we provide customization services for international B2B customers.
Available options include:
This allows customers to adapt JKD-839 to their own brand identity and target markets while maintaining the core product platform.
Consistent manufacturing is essential for residential gas detection products.
JKD-839 quality control procedures include:
These procedures support stable quality across repeat production orders.
| Specification | JKD-839 |
|---|---|
| Model | JKD-839 |
| Product Type | Dual-Fuel Residential Gas Detector |
| Detection Applications | Natural Gas / LPG |
| Detection Gas | CH4 |
| Sensor Type | Catalytic Sensor |
| Sampling Method | Natural Diffusion |
| Standard | EN50194-1:2009 |
| Certification | SGS |
| Supply Voltage | AC 100–240V |
| Frequency | 50Hz |
| Plug Options | EU / US / AU |
| Maximum Power Consumption | 5W |
| Alarm Concentration | >8.0%LEL (4000ppm) |
| Alarm Method | Sound & Light |
| Alarm Volume | ≥85dB at 1m |
| Operating Temperature | -10°C to +50°C |
| Relative Humidity | ≤95%, Non-condensing |
| Atmospheric Pressure | 86kPa–106kPa |
| Operating Environment | Indoor Use |
| Maximum Sensor Lifetime | 5 Years |
| Dimensions | Approx. 120 * 75 * 40mm |
| Weight | Approx. 200g |
| OEM | Supported |
| ODM | Supported |
| Private Label | Supported |
| Logo Customization | Supported |
| Packaging Customization | Supported |
| Plug Customization | EU / US / AU |
Professional buyers can request technical documentation for product evaluation and sourcing.
Available documentation includes:
Its key advantage is dual-fuel market flexibility. JKD-839 can address both natural gas and LPG residential applications while also offering SGS certification, EN50194-1:2009 compliance and multiple international plug options.
Yes. Its specified detection gas is CH4, making it suitable for relevant natural gas/methane applications.
Yes. The product platform supports residential LPG detection applications.
SGS certification provides professional buyers with third-party technical documentation that can support product evaluation and supplier qualification.
The product is manufactured according to EN50194-1:2009.
JKD-839 uses a catalytic gas sensor with natural diffusion sampling.
No. JKD-839 is an AC powered gas detector operating from AC 100–240V.
EU, US and Australian plug versions are available.
The specified alarm concentration is >8.0%LEL (4000ppm).
Yes. OEM, ODM and private-label services are supported, including logo, packaging, product labels, manuals and plug customization.
The reason to choose the JKD-839 Dual-Fuel Home Gas Detector is not simply that it detects combustible gas.
Its real advantage is commercial flexibility.
For a distributor serving different markets, managing separate products for every gas application and every regional plug configuration can increase sourcing complexity. JKD-839 provides a more flexible alternative by combining natural gas and LPG applications, EU/US/AU plug options, AC 100–240V operation, SGS certification and EN50194-1:2009 compliance in one product platform.
That makes the JKD-839 particularly attractive for buyers who want to expand their residential gas safety range while keeping sourcing and product management straightforward.
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Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
1000-1500
Employee Number:
100~150
Ecer Certification：
Verified Supplier
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