HM200 WIRELESS SERIES
HM200J Solar Wireless Pressure Transmitter
The HM200J is a solar-powered wireless pressure transmitter for continuous outdoor monitoring. Built-in 20Ah rechargeable battery with integrated solar panel delivers self-sustaining energy for remote off-grid pressure monitoring. Ideal for natural gas, water supply, and oilfield applications.

Product Overview
The HM200J Solar Wireless Pressure Transmitter represents the next generation of autonomous pressure monitoring for challenging outdoor environments. This solar-powered variant combines proven pressure measurement accuracy with self-sustaining renewable energy, eliminating the need for external charging infrastructure or battery replacement in remote deployments.
With an ultra-wide pressure range of -0.1 to 500 MPa and high accuracy specifications (±0.5% to ±0.1% FS), the HM200J delivers reliable data across diverse applications. The integrated 20Ah rechargeable lithium battery combined with high-efficiency 50W solar panel technology provides indefinite operational autonomy in outdoor installations. Multi-protocol wireless support (4G, LoRa, WiFi, Zigbee, LoRaWAN) ensures flexible connectivity regardless of available infrastructure.
Designed for critical infrastructure monitoring in natural gas pipelines, city heating networks, and oilfield operations, the HM200J features 316L stainless steel construction for corrosive media compatibility. IP67 standard protection (optional IP68) and optional ATEX explosion-proof certification (Ex db IIC T6) ensure reliable performance in the most demanding outdoor and hazardous environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Pressure Range | -0.1~500 MPa (ultra-wide range) |
| Accuracy | ±0.5% FS / ±0.25% FS / ±0.1% FS (selectable) |
| Wireless Protocols | 4G / LoRa / WiFi / Zigbee / LoRaWAN |
| Communication Protocol | TCP / UDP / MQTT / MODBUS-TCP |
| Battery Capacity | 20Ah rechargeable lithium |
| Solar Panel | High-efficiency crystalline silicon, 50W nominal |
| Self-Charging | Indefinite autonomy in sunlit installations |
| Battery Management | Intelligent dual-stage charging, over-discharge protection |
| Wetted Material | 316L stainless steel |
| Operating Temperature | -20~85°C |
| Storage Temperature | -40~85°C |
| Humidity Range | 5~95% RH (non-condensing) |
| Protection Rating | IP67 (standard) / IP68 (optional) |
| Explosion-Proof | ATEX II 2G Ex db / IEC Ex (optional) |
| Data Reporting Interval | 1s~3600s (configurable) |
| Output Resolution | 16-bit digital, 0.01 MPa minimum |
| Solar Charging Speed | Full charge in 8-12 hours (6-8 peak sun hours) |
| Mounting | Pole-mount, wall-mount, or ground installation |
| Cloud Platform | Native support (Azure, AWS, Alibaba IoT) |
Key Features
Solar Self-Charging
Integrated 50W solar panel with intelligent dual-stage charging provides indefinite operational autonomy in outdoor installations, eliminating battery replacement costs and field service requirements.
Ultra-Wide Pressure Range
0-500 MPa capability covers natural gas pipelines, petrochemical processes, and high-pressure industrial applications with single device configuration, reducing inventory and installation complexity.
Multi-Protocol Wireless
Support for 4G, LoRa, WiFi, Zigbee, and LoRaWAN with intelligent frequency selection ensures optimal connectivity in diverse geographical regions and deployment environments.
Power Management Module
Intelligent dual-stage battery management with over-discharge protection, temperature compensation, and real-time charge status monitoring maximizes battery lifespan and system reliability.
Rugged Outdoor Design
IP67/IP68 rated enclosure with UV-resistant housing and 316L stainless steel wetted parts withstands extreme weather conditions from -20 to 85°C operating temperature.
Explosion-Proof Option
ATEX II 2G Ex db and IEC Ex certified variants available for hazardous gas/vapor locations, enabling safe deployment in petrochemical plants and natural gas facilities.
Applications
Natural Gas Pipelines
Remote pressure monitoring across natural gas distribution networks with solar autonomy for cost-effective maintenance-free operation in distributed transmission systems.
City Heating Networks
District heating system monitoring with pressure surveillance, thermal diagnostics, and energy optimization for municipal heating infrastructure requiring off-grid solutions.
Petrochemical Plants
Process pressure monitoring in harsh corrosive environments with 316L compatibility, explosion-proof certification, and ±0.1% accuracy for critical safety and process control.
Fire Protection Systems
Wireless integration with fire sprinkler networks, hydrant monitoring, and emergency suppression systems for real-time pressure verification across large facility installations.
Smart Water Supply
Municipal water distribution pipeline monitoring with solar-powered autonomous operation for remote pump stations, storage tanks, and treatment facility pressure management.
Oilfield & Remote Sites
Wellhead pressure monitoring in remote locations with zero infrastructure requirements. Solar charging ensures continuous data collection without maintenance visits to distant sites.
Ordering Guide
Configure your HM200J solar wireless pressure transmitter using the selection table below.
| Selection | Options | Description |
|---|---|---|
| Model | HM200J | Solar Wireless Pressure Transmitter |
| Pressure Range | 001~500 | 001=1 bar, 010=10 bar, 100=100 MPa, 500=500 MPa |
| Accuracy | A / B / C | A=±0.5% FS, B=±0.25% FS, C=±0.1% FS |
| Wireless | 4G / LR / WF / ZB / LW | 4G, LoRa, WiFi, Zigbee, LoRaWAN |
| Solar Panel | 50W / 100W | Standard 50W / High-power 100W |
| Protection | IP67 / IP68 | Standard / Enhanced waterproof |
| Ex-Proof | N / EX | N=Standard, EX=ATEX Ex db IIC T6 |
Example: HM200J-010-B-4G-50W-IP67-N = HM200J, 10 bar range, ±0.25% accuracy, 4G wireless, 50W solar panel, IP67, standard.
Frequently Asked Questions
Need a Solar-Powered Pressure Monitoring Solution?
Our engineering team can help you configure the HM200J for your specific outdoor monitoring application — whether it’s natural gas pipelines, remote oilfields, or city heating networks. Share your pressure range, wireless protocol, and installation environment details for a tailored recommendation.
Our engineers typically respond within 12 business hours with detailed technical specifications and pricing.


