ZEDO ZS-40Z Industrial Ultrasonic Humidifier for Printing Facilities
| Brand | ZEDO |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZS-40Z Industrial Humidifier for Printing Facilities |
| Instrument Type | Ultrasonic Humidifier |
| Humidification Capacity | 12 kg/h |
| Coverage Area | 100–200 m² |
Overview
The ZEDO ZS-40Z is an industrial-grade ultrasonic humidifier engineered specifically for precision humidity control in printing production environments. It operates on the principle of high-frequency ultrasonic transduction (1.7 MHz), where piezoelectric ceramic transducers vibrate water at resonant frequency to generate sub-10 µm droplets—capable of rapid evaporation and uniform dispersion without condensation or wetting. This physical mechanism ensures stable RH maintenance between 40–65 %, directly addressing electrostatic charge accumulation caused by low ambient humidity (<35 %RH) in paper handling, offset lithography, flexographic printing, and prepress storage areas. Unlike steam or evaporative systems, the ZS-40Z delivers immediate vapor-phase hydration with zero thermal load, making it compatible with temperature-sensitive workflows and ISO 12647-compliant color management environments.
Key Features
- Stainless steel enclosure (AISI 304) with electrophoretic coating — corrosion-resistant, IP65-rated front panel, and fully welded tank construction for long-term reliability in alkaline or hard-water conditions.
- Integrated ultrasonic atomizing module with proprietary ceramic transducers rated for 3,000–5,000 operational hours; built-in dry-run protection and auto-shutoff at low water level.
- IP68-sealed variable-frequency power supply — fully potted, submersible design enabling stable output under fluctuating line voltage (±15 %) and eliminating electromagnetic interference with nearby CTP platesetters or digital press controllers.
- 36 V DC waterproof centrifugal blower with sealed ball bearings — airflow ≥ 280 m³/h, noise level ≤ 48 dB(A) at 1 m, optimized for laminar mist distribution across ceiling-mounted ducted or free-standing configurations.
- High-accuracy capacitive humidity sensor (Shinsei SHT35, ±1.5 %RH, 0–100 %RH range) integrated with microprocessor-based PID controller; supports 0–10 V analog output for BMS integration.
- Four-wheel mobility system with locking casters (φ100 mm, TPE tread); automatic float-valve inlet with overflow cutoff and drain port compliant with ASME B16.22 standards.
Sample Compatibility & Compliance
The ZS-40Z is validated for continuous operation in Class D cleanroom-adjacent printing facilities per ISO 14644-1:2015 Annex B, and meets CE EN 60335-1 (Household and Similar Electrical Appliances) and EN 60335-2-88 (Particular Requirements for Humidifiers) safety directives. Its stainless steel wetted components comply with FDA 21 CFR 178.3710 (indirect food contact materials), supporting use in packaging print shops producing pharmaceutical or food-grade cartons. The unit does not emit ozone or VOCs and is compatible with GMP-aligned environmental monitoring systems requiring documented RH traceability per ISO 17025:2017 clause 7.8.2.
Software & Data Management
The onboard controller provides local setpoint adjustment (40–75 %RH), real-time RH/temperature display, runtime logging (7-day buffer), and fault diagnostics (e.g., transducer impedance drift, fan stall, sensor calibration drift). Optional RS485 Modbus RTU interface enables integration into centralized SCADA platforms (e.g., Siemens Desigo CC, Honeywell Experion PKS) for audit-ready humidity trend reporting. All configuration changes are timestamped and user-logged, satisfying GLP/GMP requirements for electronic record integrity under 21 CFR Part 11 Subpart B.
Applications
- Offset and gravure printing workshops — prevents static-induced misregistration, ink splattering, and sheet jamming during high-speed web feeding (≥150 m/min).
- Paper warehousing and acclimatization zones — maintains dimensional stability of uncoated, coated, and synthetic substrates per TAPPI T 402 om-19 standards.
- Digital inkjet prepress labs — stabilizes substrate moisture content to minimize cockling and dot gain variance in HP Indigo or Canon Arizona production lines.
- Post-press finishing areas — reduces dust adhesion on laminated or foil-stamped surfaces and mitigates electrostatic discharge near automated die-cutting stations.
FAQ
What is the recommended RH setpoint for optimal print quality in offset lithography?
For consistent ink transfer and dimensional stability of woodfree uncoated papers, maintain 50–55 %RH at 20–23 °C per ISO 12647-2:2013 Annex A.
Can the ZS-40Z be integrated into a building automation system (BAS)?
Yes — via optional Modbus RTU over RS485, supporting read/write access to humidity setpoint, actual RH, runtime hours, and alarm status.
Is demineralized water required for operation?
No — the ceramic transducers are chemically resistant to CaCO₃ scaling and operate reliably with municipal water up to 300 ppm TDS; optional inline sediment filter (5 µm) recommended for high-silt sources.
How often does the ultrasonic transducer require replacement?
Under normal operating conditions (12 h/day, 45 %RH setpoint), expected service life is 3,500–4,200 hours; preventive replacement is advised at 3,000-hour intervals in 24/7 production environments.
Does the unit include validation documentation for GMP compliance?
Factory calibration certificate (NIST-traceable hygrometer reference) and IQ/OQ protocol templates are provided upon request for regulated pharmaceutical packaging applications.
