Explosion Proof Truck Scale
Our explosion-proof weighbridge is purpose-built for LPG stations, chemical plants, oil depots, hazardous waste facilities and other explosive hazardous areas. It operates safely in Zone 0/1/2 classified locations for vehicle weighing, trade settlement, inventory control and site safety management.
To meet varying global explosion protection standards, we adopt a modular compliance design: standard weighbridge structure with certified electrical components configurable per regional requirements. This avoids repeated development and ensures fast compliance worldwide.
Ⅰ. Product Overview
Our explosion-proof weighbridge is purpose-built for LPG stations, chemical plants, oil depots, hazardous waste facilities and other explosive hazardous areas. It operates safely in Zone 0/1/2 classified locations for vehicle weighing, trade settlement, inventory control and site safety management.
To meet varying global explosion protection standards, we adopt a modular compliance design: standard weighbridge structure with certified electrical components configurable per regional requirements. This avoids repeated development and ensures fast compliance worldwide.

| Main Product (Standard Configuration) | Scale Body:Modular steel construction with full anti-corrosion treatment, high strength, impact resistance and long service life.Explosion-proof Rating: Ex ia IIC T4 (Intrinsically Safe, suitable for Zone 1 hazardous areas) |
| Core Components: | Sensors, instruments, weighing display controllers, junction boxes, and explosion-proof control cabinets are all selected from leading domestic brands, with valid national explosion-proof certificates (NEPSI / CNEx).1) Explosion-proof Weighing Sensor: Ex ia Ⅱ C T4 Ga; Ex ia ⅢC T200 130 130℃ Da2) Explosion-proof Junction Box: Ex ia IIC T6 Ga, Ex ia ⅢC T200 80℃ Da3) Flameproof Explosion-proof Distribution Cabinet / Weighing Instrument (Weighing Controller):Ex db Ⅱ B T6 Gb; Ex db Ⅱ C T6 Gb; Ex tb ⅢC T80℃ Db(200A);Ex db Ⅱ B T4 Gb; Ex db Ⅱ C T4 Gb; Ex tb ⅢC T130℃ Db(630A); |
| Optional Configuration (For Export Requirements) | According to the regulations of your country or region, we can configure sensors, instruments, and junction boxes that meet local certification requirements, with corresponding additional charges applicable. |
II. Certification Compliance Statement
| Component | Certification Body | Explosion-proof Mark | Remarks |
| Load Cell | NEPSI | Ex ia IIC T4 Ga | Valid in China |
| Indicator | CNEx | Ex db [iaGa] IIB T6 Gb | Valid in China |
| Junction Box | CNEx | Ex ia IIC T6 | Valid in China |
| Metrology | CPA | n=6000 | Keli, Yaohua or other Chinese brand indicators |


Optional Certification Kits (Export Compliance)
| Target Market | Certification Requirement | Offered Component Package | Additional Cost |
| European Union | ATEX 2014/34/EU | ATEX-certified load cell + ATEX-certified indicator + matching junction box | Quoted by configuration |
| International General | IECEx | IECEx-certified load cell + IECEx-certified indicator + matching junction box | Quoted by configuration |
| North America | FM / UL | FM/UL-certified load cell + indicator (customization required) | Quoted by configuration |
| China (Trade Settlement) | CPA | CPA-certified indicator (Keli D39-WB) | Quoted by configuration |
Why Choose Our Solution?
- No need to stock inventory for different markets:We configure certification kits based on your specific requirements, helping you reduce inventory costs.
- All optional components hold valid explosion-proof certificates:Traceable and fully compliant for customs clearance.
- Compatibility declaration provided:Ensures the full system compliance of the combined load cell + indicator + junction box.
- Support for third-party inspection & customs documentation assistance
III. Certification Kit Description
Standard Optional Configuration (Recommended)
The following configurations are based on our pre-validated component combinations, which can be directly used for export to the EU or IECEx member states:
| Component | ATEX Kit (EU) | Remarks |
| Load Cell | Keli FB-XZ (SCA24ATEX292X) | New 2024 certificate, Ex ia IIC T4 Gb |
| Indicator | Utilcell SMART ATEX or Radwag PUE HX5.EX-2 | Intrinsically safe parameters precisely matched to the load cell |
| Junction Box | Matching explosion-proof junction box (Ex ia) | Compatible with load cell / indicator |
| Deliverables | Full set of ATEX certificates + Compatibility Declaration | Customs-clearable and traceable |

Other Certification Kits
| Certification Type | Availability | Remarks |
| IECEx | Configurable on demand | Can be configured with customer-specified brands |
| FM/UL | Custom project | Requires additional lead time (8-12 weeks) |
| CPA (China Metrology) | In stock | Keli , Yaohua |
IV. Important Notes
1. Pricing of Certification Kits
Certification kits incur additional charges for the following reasons:
2. Quotation Process
Please indicate your target country when making an inquiry, and we will provide a customized quotation including the required certification kit.
3. System Compatibility
Intrinsically safe system components must be strictly matched by their parameters. We will:
- Calculate the intrinsic safety parameter matching between the load cell and indicator based on your certification requirements.
- Provide a written compatibility confirmation letter.
- Arrange for a matching report from a third-party testing authority if required (at an additional cost).
V.Information Required When Making an Inquiry
To provide you with an accurate customized quotation, please include the following information in your inquiry:
- Target country/region
- Do you require explosion-proof certification? (If yes, please select: ATEX / IECEx / FM/UL / Other)
- Do you require trade metrology certification? (If yes, please select: CPA China / OIML International / Other)
- Estimated annual volume
- Other requirements (e.g., explosion-proof large display, printer, barrier gate, unattended weighing system, etc.)












