News and Trends
Buy 4G pressure gauge in Bulk from China Wanlin Fire Equipment Supplier
4G pressure gauge - Wanlin 4G Wireless Pressure Monitoring Solutions
January 6, 2025 — Wanlin Fire Protection, a leading Chinese manufacturer of 4G pressure gauge, 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 gauge
4G pressure gauge 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
- Built-in 4G/NB-IoT Connectivity: Direct cloud connection without gateways or repeaters
- Ultra-Low Power Design: 3-5 year battery life with periodic reporting mode
- IP68 Waterproof: Suitable for outdoor, underground, and submerged installations
- Explosion-Proof Options: ATEX/IECEx certified models for hazardous areas
- Multi-Protocol Support: MQTT, CoAP, Modbus TCP/RTU for seamless integration
- Real-Time Alarms: SMS, phone call, and APP push notifications for threshold breaches
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 is actively seeking global distribution partners, OEM clients, and trading companies for long-term cooperation. As a direct manufacturer, we eliminate middleman costs and provide maximum value to our partners. - 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.