METTLER TOLEDO PUA589lift Lift-Up Ultra-Low Profile Platform Scale
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | PUA589lift |
| Capacity Options | 300 kg, 600 kg, 1500 kg |
| Accuracy Class | III |
| Verification Scale Interval (e) | 0.2 kg (for 600 kg), 0.5 kg (for 1500 kg) |
| Platform Dimensions (W × L) | 0.8 × 0.8 m, 1.0 × 1.0 m, 1.25 × 1.25 m, 1.25 × 1.5 m |
| Platform Height Above Floor | 60 mm |
| Incline Angle | 8.7° |
| IP Rating | IP68 |
| Platform & Ramp Material | AISI 304 Stainless Steel |
| Operating Temperature Range | −10 °C to +40 °C |
| Safety Load | 800 kg / 2000 kg / 4000 kg (model-dependent) |
| Load Transmission | Patented Rocker Foot Mechanism |
| Surface Finish | Bead-blasted stainless steel |
Overview
The METTLER TOLEDO PUA589lift is an ultra-low-profile platform scale engineered for hygienic process environments where rigorous cleaning protocols, frequent washdowns, and contamination control are non-negotiable. Designed in accordance with principles of sanitary equipment engineering, the PUA589lift integrates a patented EZ-CLEAN lift-up mechanism that enables single-operator removal of the entire weighing platform — without tools — exposing the load cell assembly and substructure for complete visual inspection and mechanical cleaning. Its 60 mm platform height minimizes ramp angle (8.7°), facilitating seamless loading of carts, mobile tanks, and IBCs while maintaining structural integrity under dynamic loads. The scale operates on a robust rocker foot load transmission system, which decouples lateral forces and ensures high repeatability and long-term stability — critical for applications governed by ISO 22196, EHEDG Doc. 8, and FDA 21 CFR Part 11-compliant data workflows.
Key Features
- Lift-Up Platform Architecture: Tool-free, one-person platform removal enables full access to internal components — eliminating trapped debris, biofilm accumulation, or residual process media beneath the scale surface.
- IP68-Rated Construction: Fully sealed load cells, junction boxes, and cable entries withstand high-pressure, high-temperature cleaning agents and prolonged submersion conditions typical in CIP/SIP environments.
- AISI 304 Stainless Steel Platform & Ramp: Electro-polished and bead-blasted surface finish reduces microbial adhesion and complies with USDA and EHEDG surface roughness requirements (Ra ≤ 0.8 µm).
- Rocker Foot Load Transmission System: Self-centering mechanical design isolates horizontal forces, minimizing drift during repeated loading/unloading cycles and ensuring consistent metrological performance across temperature gradients.
- Modular Capacity & Dimension Configurations: Available in 300 kg, 600 kg, and 1500 kg capacities with multiple platform sizes (0.8 × 0.8 m up to 1.25 × 1.5 m) to match material handling infrastructure — all certified to OIML R76-1 (Class III) accuracy requirements.
Sample Compatibility & Compliance
The PUA589lift is validated for use in regulated manufacturing zones including Grade A/B cleanrooms (ISO 14644-1), wet-process areas subject to daily alkaline/peracetic acid washdowns, and food-grade facilities requiring compliance with 3-A Sanitary Standards 107-01. Its design meets the mechanical and environmental prerequisites of GMP Annex 11 for electronic records and signatures, supporting audit-ready traceability when paired with METTLER TOLEDO IND570 or IC-1000 terminals equipped with 21 CFR Part 11 user management and electronic signature modules. Calibration documentation follows ISO/IEC 17025-accredited procedures, and verification reports include as-found/as-left data, uncertainty budgets, and traceability to NIST-traceable mass standards.
Software & Data Management
When integrated with METTLER TOLEDO’s LabX™ or AutoChem™ software suites, the PUA589lift supports automated data capture, electronic batch records, and configurable pass/fail logic for in-process weight checks. All weight events — including tare, net, gross, and checkweighing results — are timestamped, user-ID authenticated, and stored with immutable audit trails. Optional Ethernet/IP or PROFINET connectivity enables real-time integration into MES (Manufacturing Execution Systems) and SCADA platforms, while optional RFID reader support allows container-level identity binding to weight data — fulfilling serialization and track-and-trace mandates under EU FMD and US DSCSA frameworks.
Applications
- Pharmaceutical blending and dispensing in isolators and RABS environments
- Food & beverage ingredient batching in wet-processing lines (e.g., dairy, sauces, ready meals)
- Chemical catalyst charging in corrosion-resistant reactor feed systems
- Biotech buffer preparation and media weighing in ISO Class 5–7 cleanrooms
- Automated packaging line verification where carton or tote weight must be confirmed pre-seal
FAQ
Can the PUA589lift be calibrated in situ without removing the platform?
Yes — the integrated calibration interface supports internal adjustment via terminal command or remote software, preserving mechanical alignment and eliminating reinstallation errors.
Is the rocker foot mechanism serviceable without recalibration?
The rocker foot assembly is pre-tensioned and factory-adjusted; field replacement requires only torque-controlled reassembly and a full verification per ISO 9001 clause 7.1.5.2 — no recalibration of the load cell itself is necessary.
Does the IP68 rating cover continuous immersion?
IP68 certification applies to static submersion at 1 m depth for 30 minutes under test conditions; it does not imply suitability for permanent underwater operation or pressurized steam sterilization.
Are custom platform dimensions available beyond standard configurations?
Yes — METTLER TOLEDO offers non-standard platform geometries and reinforced structures for specialized transport interfaces (e.g., AGV docking, conveyor-integrated mounting), subject to structural analysis and OIML verification.
