Electric Lift Pass Box LELP-T2011

Introduction

Electric features a low-energy 25 W motor for delivering operation while maintaining ultra-quiet performance and minimizing air-flow disturbances. The system has integrated infrared anti-pitch sensors that instantly halt lift operation upon detecting an obstruction. It includes a tempered glass view window, allowing clear visibility and safety. Our electric lifting pass box offers an electronic or electromagnetic interlock system that ensures only one door opens at a time.

This pass box is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Electric Lift Pass Box motorized transfer chambers are used in controlled environments. It is utilized in food processing, aerospace, automotive, cosmetics, and microelectronics ensuring dust-free material transfers.

Specifications

Control Mode	One-button lifting / foot pedal lifting
Interlocking Function	Standard
Intercom Function	Standard
Anti-Pinch Function	Touch rebound + infrared sensors
Motor Power	25 W
Ultraviolet Power	5 W
Total Power	30 W
Power Supply	AC / 220
Channel Size	680mm × 570mm × 710mm
Dimensions	900mm × 700mm × 1500mm

Features

‑Filtered Airflow

Two-Stage Filtration

Electric Lift System

UV‑C Germicidal Lamp

Differential Pressure Gauge

FAQs

1. What filtration specifications ensure Class 5 compliance in Electric Lift Pass Box ?

It supplies premium models of Electric Lifting Pass Box .These units feature a dual-stage filtration system: a G4/EU5 pre-filter captures 90–95% of particles ?5?µm, while an H13/H14 filter removes ?99.97% at 0.3?µm. The motorized blower draws air through the filters and distributes it uniformly across the chamber at ~0.45?±?0.05?m/s, maintaining laminar flow and meeting Class-5 standards. A magnehelic gauge continually monitors differential pressure, signaling filter performance status. Filters are easily accessible through service panels for quick replacement, preserving airflow integrity and contamination control.

2. How is pressure control maintained during door cycling in Electric Lift Pass Box ?

It supplies premium Electric Lift Pass Box .During a transfer cycle, the interlock system ensures one door opens only after the other closes, minimizing pressure disruption. The blower activates automatically when a door opens, creating positive pressure to prevent external particle ingress. Dual pressure sensors detect any deviations, triggering alarms if thresholds are breached. This dynamic control preserves room segregation even during frequent transfers and supports continuous cleanroom compliance.

3. How does the dynamic pass box handle airflow and velocity regulation in Electric Lift Pass Box ?

It supplies premium models of Electric Lift Pass Box .A centrifugal motor blower draws ambient clean air through the filter, delivering uniform airflow-typically 0.45?m/s-across the work surface. Velocity is maintained via balanced, statically and dynamically aligned fans. Flow is monitored continuously by pressure gauges and controlled via (optional), ensuring low-velocity clean air that prevents turbulence and particle resuspension.

4. How are operational and safety cycles automated in electric lift pass box ?

It supplies Electric Lift Pass Box .State-of-the-art models employ microcontroller-based control panels that manage interlocks, blower activation, UV sterilization, door time delays, and alarms. These systems typically introduce a 2–4?second delay between door cycles, deactivate UV lamps when doors are open, and log UV lamp usage. They feature buzzers and indicators to alert door hold or blower malfunctions, ensuring safe and validated operation through every cycle.

5. What accessories enhance monitoring and validation capabilities in Electric Lift Pass Box ?

It supplies premium models of Electric Lift Pass Box .Modules often include / test ports for real-time integrity verification, digital differential pressure gauges with alarm functions, and UV hour meters for tracking sterilization cycles. Optional door hold alarms and clean-down timers aid procedural compliance. Controllers may also support remote integration for centralized monitoring and audit-ready record keeping—vital for , , or -regulated operations.

6. What is the working principle of a dynamic Electric Lift Pass Box?

It employs a filtered airflow system where a built-in fan recirculates air vertically or horizontally through filters, maintaining Class 5 cleanliness inside the chamber. When the lift activates, purified air enters the compartment to dilute particles from transferred items and returns via a grille—creating a continuous clean-air cycle. Dual-stage filtration (pre-filter + H13/H14 ) removes both large and fine contaminants. Differential pressure monitoring ensures filter performance, while the air velocity is typically maintained. These continuous airflow dynamics keep the internal chamber sterile during the lifting process.

7. How do the interlock and alarm systems enhance safety and compliance?

The unit features electronic or electromagnetic interlock mechanisms that strictly prevent both doors from being opened simultaneously, effectively stopping cross-contamination. Fan operation locks the doors, and opening a door usually triggers an automatic UV shut-off and -visual indicators. In addition, digital or analog differential pressure gauges with alarm thresholds alert when pressure deviates, signalling filter clogging or malfunction. Audio-visual alarms can also be set to notify operators of extended door openings or blower issues, ensuring compliance with / protocols.

8. What maintenance and monitoring routines are required to ensure optimal performance?

Regular maintenance includes replacing the pre-filter every 1 to 6 months and the filter every 6 to12 months, depending on usage and particle load. After filter replacement, integrity tests using particle counters or / ports ensure there’s no leakage. Periodic airflow visualization (e.g., smoke test) confirms unidirectional flow. Daily or monthly differential pressure checks validate proper ventilation performance. UV-C lamps and internal chamber surfaces are cleaned weekly using approved disinfectants. Power components should be handled cautiously, with non-professional personnel restricted from circuit board access.

9. Can these units accommodate different cleanroom classifications and hazardous environments?

Yes—dynamic pass boxes are engineered to support transfers between various -grade environments (e.g., non-clean to 5 or C to B), acting as airtight airlocks. Some models are available in explosion-proof/-rated variants for use with combustible or hazardous materials. The airflow system is designed with variable-frequency drives to maintain consistent differential pressure, even if both doors are opened briefly. Configuration options include single-, double-, L-shaped, or multi-sided designs tailored for compartment-specific layout. Accessories like UV-C disinfection, intercom systems, and touchscreen panels increase flexibility across pharmaceutical, biotech, and industrial applications.

10. How do built-in monitoring features support regulatory compliance?

Equipped with differential pressure gauges (analog /digital), the pass box continually monitors filter loading and airflow performance—providing data for maintenance logs. / test ports allow onsite filter integrity testing, essential for validation. Door completion timers and UV-hour meters track usage cycles and UV exposure durations, enabling routine documentation. Control systems often include password-protected or touchscreen interfaces for secure adjustments. Together, these systems support full lifecycle documentation—DQ/IQ/OQ/PQ protocols—and help satisfy audit requirements under 14644, , US cGMP, and guidelines.