LabTech LMH Hydrogen Gas Generator

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Hydrogen Purity: Up to 99.9995%

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Specifications:

Application	Analytical Chemistry	Warranty	1 Year
Storage Temperature	Ambient
Product Type	Laboratory Equipment
Product Brand	LabTech
Product Grade	Analytical grade

Overview
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The LabTech LMH Series Hydrogen Gas Generators deliver high-purity hydrogen gas (up to 99.9995%) using advanced PEM (polymer electrolyte membrane) electrolysis technology. Designed for continuous operation and laboratory reliability, these generators provide a safe, compact, and cost-effective alternative to traditional high-pressure hydrogen cylinders.

Engineered for precision applications such as GC, GC-MS, FID, ICP-MS, and fuel cell research, the LMH series combines superior purity, stability, and user-friendly operation with cutting-edge safety and automation features.

Key Features

PEM Electrolytic Technology: Produces hydrogen directly from deionized water with no external gas supply.
High Purity Output: Delivers hydrogen with up to 99.9995% purity for sensitive analytical and research applications.
Built-In Water Tank: Simplifies operation and reduces maintenance.
Maintenance-Free Drying System: Ensures 24-hour continuous operation with no user intervention.
Auto-Refill Function: Enables non-stop hydrogen generation by automatically replenishing the water tank.
LCD Touchscreen Interface: Provides intuitive control, real-time performance monitoring, and system diagnostics.
Compact & Stackable Design: Saves valuable bench space and allows for cascading multiple units for higher capacity.
Electronically Controlled Gas/Liquid Separator: Automatically checks for leaks and ensures operational safety.
Constant System Monitoring: Sensors track critical parameters to prevent overpressure or water depletion.
CE Certified: Complies with strict European laboratory safety and performance standards.

Technical Specifications

Model	P/N	Hydrogen Flow Rate	Purity	Output Pressure	Technology	Operation Mode	Water Requirement
LMH180	LMH180	180 cc/min	99.9995%	0–8 bar (0–115 psi)	PEM Electrolysis	Continuous	Deionized water
LMH350	LMH350	350 cc/min	99.9995%	0–8 bar (0–115 psi)	PEM Electrolysis	Continuous	Deionized water
LMH520	LMH520	520 cc/min	99.9995%	0–8 bar (0–115 psi)	PEM Electrolysis	Continuous	Deionized water

Applications

Carrier Gas for Gas Chromatography (GC / GC-MS) – Ensures stable and pure hydrogen flow for analytical separations.
Flame Ionization Detector (FID) Fuel Gas – Provides consistent flame conditions for accurate detection.
ICP-MS Collision / Reaction Gas – Delivers high-purity hydrogen for controlled plasma conditions.
Hydrogen Peroxide (H₂O₂) Production – Supplies process-grade hydrogen for chemical synthesis.
Fuel Cell Research and Development – Supports hydride tank refilling and hydrogen feed to experimental cells.

Safety & Performance

Auto Leak Detection: Automatic system diagnostics at startup and during operation.
Pressure Regulation: Internal pressure sensors maintain safe hydrogen output within operating range.
Hydrogen Leak Protection: Electronically controlled shutoff and safety venting mechanism.
24/7 Operation: Continuous hydrogen generation for demanding analytical workflows.

Ordering Information

P/N	Description	Application
LMH180	Hydrogen Gas Generator – 180 cc/min @ 99.9995%, 0–8 bar (0–115 psi)	For GC, FID, and general analytical applications
LMH350	Hydrogen Gas Generator – 350 cc/min @ 99.9995%, 0–8 bar (0–115 psi)	For GC-MS and multi-detector setups requiring stable hydrogen flow
LMH520	Hydrogen Gas Generator – 520 cc/min @ 99.9995%, 0–8 bar (0–115 psi)	For high-demand analytical and industrial laboratory systems

The LabTech LMH Hydrogen Gas Generator Series provides laboratories with a safe, sustainable, and maintenance-free source of high-purity hydrogen gas. Its PEM-based electrolytic system guarantees ultra-pure, reliable hydrogen generation without the risks and costs associated with gas cylinders.

Compact, intelligent, and efficient, the LMH Series is ideal for continuous operation in analytical, chemical, and research laboratories, offering uninterrupted gas supply, integrated safety controls, and easy touchscreen operation — ensuring maximum performance with minimal maintenance.