News and Trends
Buy 4G pressure sensor in Bulk from China Wanlin Fire Equipment Supplier
4G pressure sensor - Wanlin 4G Wireless Pressure Monitoring Solutions
January 8, 2026 — Wanlin Fire Protection, a leading Chinese manufacturer of 4G pressure sensor, today announced the expansion of its global distribution network. As a source factory with complete R&D and production capabilities, Wanlin is actively seeking international distributors and OEM partners for its 4G wireless pressure monitoring product line.
Understanding 4G pressure sensor
4G pressure sensor represent a critical advancement in industrial and fire safety monitoring. These devices combine precision pressure measurement with wireless data transmission (4G/NB-IoT/LoRa), enabling real-time remote monitoring of pressure conditions in pipelines, tanks, and fire protection systems. For global distributors, this product category offers strong recurring demand driven by mandatory safety compliance.
Wanlin 4G/NB-IoT Pressure Product Line
Wanlin Fire Protection offers a comprehensive range of wireless pressure monitoring equipment, all designed and manufactured in-house at our China facility:
| Product | Model | Range | Communication | Battery Life | IP Rating |
|---|---|---|---|---|---|
| 4G Wireless Pressure Gauge | WL-4G-P100 | 0-1.6MPa | 4G Cat.1 | 3 years | IP68 |
| NB-IoT Wireless Pressure Gauge | WL-NB-P200 | 0-2.5MPa | NB-IoT | 5 years | IP68 |
| 4G Wireless Pressure Transmitter | WL-4G-PT100 | 0-10MPa | 4G Cat.4 | 2 years | IP67 |
| NB-IoT Wireless Pressure Transmitter | WL-NB-PT200 | 0-4MPa | NB-IoT | 3 years | IP67 |
| LoRa Wireless Pressure Gauge | WL-LR-P100 | 0-1.6MPa | LoRa | 3 years | IP68 |
| 4G Differential Pressure Monitor | WL-4G-DP100 | 0-100kPa | 4G Cat.1 | 3 years | IP65 |
| NB-IoT Explosion-Proof Pressure Gauge | WL-NB-EP100 | 0-25MPa | NB-IoT | 5 years | IP68 |
| 4G Pressure Monitoring Terminal | WL-4G-PMT300 | 0-60MPa | 4G Cat.4 | 2 years | IP68 |
Key Features of Wanlin Wireless Pressure Gauges
- Dual-Mode Communication: NB/4G and LoRa/4G dual-mode for redundancy
- Intrinsically Safe: Ex ia IIC T6 Ga certification for Zone 0 hazardous areas
- Solar Powered Option: Integrated solar panel for remote, off-grid installations
- Pressure Data Logging: On-device storage of 10,000+ historical records
- Mobile APP Control: Real-time monitoring, configuration, and alarm management
- Competitive FOB Pricing: Direct factory pricing for export distributors
Compliance & Certifications
| Standard | Compliance |
|---|---|
| CE Marking | EU conformity assessment (EMC + LVD) |
| FCC Part 15 | US electromagnetic compatibility |
| ATEX / IECEx | Explosion-proof certification for hazardous zones |
| RoHS | Restriction of hazardous substances |
| NB-IoT 3GPP | Compliant with Release 13/14 standards |
| NFPA 72 / NFPA 25 | Fire protection system inspection and testing |
- SIL 2 / SIL 3 functional safety certification available on request
- UL listed models available for North American market
- MSDS / SDS and battery transport certificates provided
Installation & Configuration Guide
Proper installation ensures optimal performance and compliance:
- Install at monitoring point with appropriate thread or flange connection (M20×1.5, G1/2, NPT1/2)
- Ensure sealing gasket is correctly positioned to prevent leakage
- Mount vibration-free location when possible; use shock-absorbing bracket for pump rooms
- Verify signal strength before final mounting (NB-IoT/4G/LoRa)
- Configure reporting interval, alarm thresholds, and cloud platform via mobile APP or Bluetooth
- Perform initial zero-point calibration before commissioning
Shipping & Export Logistics
Wanlin wireless pressure gauges are classified for international shipping:
- Lithium Battery (UN 3481): Class 9 dangerous goods, packaged per IATA PI 967
- Sea Freight: Standard cargo, no special restrictions for battery-powered instruments
- Air Freight: Subject to IATA lithium battery regulations (limited quantity exemption applies)
Export Documentation Provided:
- Commercial Invoice (CI) in English
- Packing List with detailed specifications
- Certificate of Origin (CO)
- CE / FCC / ATEX certification copies
- MSDS / SDS for battery and housing materials
- B/L (Bill of Lading) for sea shipments
Shipping Options for International Buyers:
- Sea freight: Cost-effective for bulk orders (15-35 days to major ports)
- Air freight: Fast delivery for urgent orders (5-10 days)
- Express courier (DHL/FedEx/UPS): Sample and small batch orders (3-7 days)
- DDP / DAP / FOB / CIF / EXW terms available
Comparison: Wanlin vs Global Brands
| Factor | Wanlin | Honeywell | Yokogawa |
|---|---|---|---|
| Price (FOB China) | $ | $$$ | $$$ |
| Built-in 4G/NB-IoT | Yes | Add-on module | Add-on module |
| Cloud Platform | Free included | Subscription | Subscription |
| Battery Powered | 3-5 years | External power | External power |
| OEM/ODM Available | Yes (your brand) | No | No |
| MOQ | 10 units | 100+ units | 100+ units |
Bulk Ordering for Global B2B Buyers
| Order Quantity | Unit Price (USD) | Lead Time |
|---|---|---|
| Sample (1-9 units) | Contact for quote | 3-5 days |
| Small Order (10-49 units) | $$ (Request Quote) | 7-10 days |
| Medium Order (50-200 units) | $$ (Better Pricing) | 10-15 days |
| Large Order (200+ units) | $ (Best Price) | 15-20 days |
OEM/ODM & Partnership Opportunities
Wanlin offers comprehensive OEM/ODM services for wireless pressure monitoring equipment:
- Custom brand label and logo on device and packaging
- Custom firmware with your company name, server address, and communication protocol
- Private cloud platform deployment (on-premise or SaaS)
- Custom pressure range, accuracy, and connection specifications
- Multi-language interface (English, Spanish, Arabic, French, Portuguese, etc.)
- Co-development for special applications (medical, food, offshore, etc.)
FAQ
Q1: Are Wanlin wireless pressure gauges compatible with existing SCADA systems?
Yes. Wanlin devices support MQTT, Modbus TCP/RTU, and RESTful API protocols, enabling seamless integration with most SCADA, BMS, and IoT platforms. We also provide free cloud platform access as a standalone solution.
Q2: What is the battery life and can it be replaced?
Battery life ranges from 2-5 years depending on reporting interval and communication mode. The high-capacity lithium battery is field-replaceable. For permanent installations, we offer solar-powered and external power options.
Q3: Do you provide export documentation and certifications?
Yes. We provide full export documentation including CE, FCC, ATEX, RoHS certificates, MSDS/SDS, Certificate of Origin, and commercial invoices. Our export team handles all customs requirements for destination countries.
Q4: What is the minimum order quantity for OEM pressure gauges?
Standard Wanlin brand: MOQ 10 units. OEM custom branding: MOQ 100 units. Full ODM with custom firmware and hardware: MOQ 500 units. Samples are available for testing before bulk orders.
## Contact Wanlin Fire Protection Wanlin Fire Protection provides complete export solutions for wireless pressure monitoring equipment. From product selection to customs clearance, our dedicated export team supports every step. Contact us to discuss distribution, OEM, or project-based cooperation. - Email: wanlinfirecontrol@163.com - Export Hotline: +8613261677119 - Website: www.wanlinfire.com Wanlin Fire Protection - Your trusted China manufacturer for 4G wireless pressure monitoring equipment export.