OHAUS Defender 5000 Series Heavy-Duty Platform Scale DF52P3000HLZH

Overview

The OHAUS Defender 5000 Series Heavy-Duty Platform Scale DF52P3000HLZH is an industrial-grade weighing solution engineered for precision, long-term structural integrity, and operational reliability in demanding production, logistics, and quality control environments. Built upon a robust dual-layer frame architecture with a low-profile 90 mm ground clearance, this platform scale employs load cell-based force measurement—specifically utilizing four high-stability alloy steel sensors compliant with OIML R60 Class C3 (or stainless-steel welded IP68 sensors for corrosion-critical applications). The design prioritizes mechanical resilience: the top deck consists of 6 mm patterned steel or stainless-steel plate (8 mm for 5-ton variants), while the U-shaped underframe is formed from 4 mm cold-rolled steel or stainless-steel sheet, validated through 500,000 full-capacity fatigue cycles per ISO 376 and ASTM E74 protocols. This ensures consistent repeatability and minimal creep drift over extended service life—even under repeated heavy-load cycling typical in manufacturing, warehousing, and agricultural processing.

Key Features

• Structural robustness: Dual-layer frame with 6 mm patterned steel/stainless-steel deck and 4 mm U-channel substructure; 90 mm low-profile design minimizes loading ramp requirements
• High-integrity sensing: Four OIML R60 Class C3-certified alloy steel load cells (IP67 rated); optional stainless-steel hermetically sealed IP68 sensors for washdown or high-humidity settings
• Environmental protection: IP65-rated all-stainless-steel junction box; full enclosure sealing compatible with routine industrial cleaning procedures
• Modular connectivity: Standard RS232 interface for local PC or thermal printer integration; optional expansion modules support Bluetooth 5.0, dual RS232/RS485, USB host/device, Ethernet (TCP/IP), 4–20 mA / 0–10 V analog outputs, and 2-in/4-out digital I/O for PLC interfacing
• Configurable firmware: Factory-programmable application modes including static weighing, checkweighing, parts counting, percentage weighing, dynamic weighing, and hold-to-display functions

Sample Compatibility & Compliance

The DF52P3000HLZH accommodates bulk materials, palletized goods, containers, and irregularly shaped industrial components up to its rated capacity (model-specific; consult datasheet for exact max load). Its mechanical and electrical architecture meets international metrological and safety standards: OIML R60 for load cell performance, IP65 (enclosure) / IP67 (sensors) per IEC 60529, and electromagnetic compatibility per EN 61326-1:2013. For regulated industries—including food processing, pharmaceutical manufacturing, and chemical handling—the scale supports audit-ready operation when paired with compliant software: configurable user access levels, timestamped event logs, and optional GLP/GMP-compliant data export formats (CSV, XML) facilitate traceability. While not inherently 21 CFR Part 11 compliant, the device’s deterministic firmware behavior and external data logging capability enable validation within FDA-regulated workflows when integrated into validated systems.

Software & Data Management

The Defender 5000 series operates on embedded firmware with real-time OS architecture, ensuring deterministic response latency and immunity to OS-level vulnerabilities. Data transmission follows ASCII-based serial protocols (RS232 default), enabling seamless integration with LIMS, MES, or ERP platforms via custom middleware or OHAUS-provided drivers. Optional wireless modules support secure BLE pairing and encrypted data streaming to edge gateways. All configuration changes—including unit selection, calibration parameters, and application mode settings—are logged with UTC timestamps and operator ID (when enabled). Raw weight data can be streamed continuously or triggered on stable-weight detection; no internal storage is provided—data persistence relies on connected external systems, aligning with industry best practices for data sovereignty and cybersecurity governance.

Applications

• Manufacturing: In-line checkweighing of assembled components, raw material receipt verification, and batch weight reconciliation
• Agriculture & Feed Production: Bulk grain, fertilizer, or silage weighing with tolerance-based pass/fail output to sorting conveyors
• Logistics & Distribution: Pallet and tote weighing prior to shipment; integration with barcode scanners for automated manifest generation
• Recycling Facilities: Sorting and bale weight documentation for commodity reporting and compliance tracking
• Construction Materials Handling: Cement, aggregate, or rebar inventory control with high-cycle durability requirements

FAQ

What is the maximum capacity of the DF52P3000HLZH model?
The model designation “DF52P3000HLZH” indicates a 3,000 kg (3 metric ton) capacity variant. Exact capacity, division value, and verification scale interval must be confirmed against the unit’s calibration certificate and type approval documentation.

Is this scale suitable for outdoor or wet-environment use?
Yes—when equipped with stainless-steel construction and IP68 load cells, the scale meets IP67 ingress protection for the base structure and withstands high-pressure washdown. However, prolonged submersion or exposure to corrosive chemicals requires site-specific risk assessment and optional protective coatings.

Can the scale be calibrated in-house without external service?
Internal calibration is supported using certified test weights and OHAUS-provided calibration routines. Full legal-for-trade recalibration and verification require accredited service providers per national metrology regulations (e.g., NIST Handbook 44, EU Directive 2014/32/EU).

Does the scale support network time synchronization (NTP)?
No—NTP is not natively supported. Time stamps are generated by the internal RTC and synchronized only during manual or software-initiated time updates via serial or Ethernet interfaces.