News and Trends
Buy wireless differential pressure gauge in Bulk from China Wanlin Fire Equipment Supplier
wireless differential pressure gauge - Wanlin 4G Wireless Pressure Monitoring Solutions
August 4, 2025 — In response to growing international demand for wireless pressure monitoring, Wanlin Fire Protection has launched its latest wireless differential pressure gauge series. The company welcomes qualified overseas distributors and OEM partners to expand market coverage together.
Understanding wireless differential pressure gauge
wireless differential pressure gauge are designed to meet the demanding requirements of fire protection systems, water supply networks, and industrial processes. These wireless instruments transmit pressure data to cloud platforms, enabling facility managers and safety officers to monitor critical infrastructure from anywhere. For trading companies, these products represent a high-value, easy-to-sell category backed by regulatory mandates.
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 products suitable for hazardous areas?
Yes. Our explosion-proof models carry ATEX and IECEx certifications for Zone 1 and Zone 2 hazardous areas. Intrinsically safe (Ex ia) models are available for Zone 0. All explosion-proof models maintain IP68 protection rating.
Q2: Can I get a sample before placing a bulk order?
Yes, we encourage sample testing. Sample orders (1-9 units) are shipped within 3-5 business days via DHL/FedX. We also provide live demo sessions through video call for overseas buyers who cannot visit our factory.
Q3: Do you support third-party platform integration?
Yes. Wanlin devices support MQTT, CoAP, HTTP, and Modbus protocols for integration with third-party IoT platforms, SCADA systems, and building management systems. We provide API documentation and technical support for integration.
Q4: What payment terms do you offer for international buyers?
We accept T/T (30% deposit, 70% before shipment), L/C at sight, and PayPal for sample orders. For established partners, we offer flexible payment terms including Net 30/60. All transactions are secured with Proforma Invoice and sales contract.
## 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.
