OHAUS Defender 3000 i-D33XW Waterproof Platform Scale

Overview

The OHAUS Defender 3000 i-D33XW is an industrial-grade waterproof platform scale engineered for reliability and operational continuity in demanding wet, washdown, or high-hygiene environments. Built upon OHAUS’s long-standing expertise in precision weighing instrumentation, this scale employs a robust Couette-type load cell architecture with full IP67-rated stainless-steel encapsulation—ensuring mechanical stability and signal integrity under repeated exposure to moisture, cleaning agents, and thermal cycling. The indicator unit features an IP66-rated housing and integrates a high-contrast, 6-digit, 7-segment multicolor backlight LCD display (45 mm digit height), enabling unambiguous visual feedback even under low-light or high-glare conditions typical of food processing, pharmaceutical manufacturing, and chemical handling facilities. Designed for compliance-driven workflows, the i-D33XW supports traceable operation through audit-ready data logging protocols and configurable user access levels.

Key Features

• Full 304 stainless-steel construction across all structural and functional components—including indicator housing, platform, support frame, and load cell assembly—minimizing corrosion risk and facilitating validated cleaning procedures.
• Tri-color checkweighing indication (red/yellow/green) directly mapped to user-defined tolerance bands, eliminating subjective interpretation and reducing operator error during high-volume inspection tasks.
• Dual-power architecture: seamless transition between AC mains (110–240 VAC, 50/60 Hz) and integrated sealed lead-acid rechargeable battery, supporting uninterrupted operation during facility power fluctuations or mobile deployment scenarios.
• Tactile membrane keypad with positive feedback response—optimized for gloved operation and resistant to ingress of particulates or liquids.
• Modular connectivity: RS232 serial interface as standard; optional USB host/device or Ethernet (TCP/IP) modules enable integration with LIMS, MES, or ERP systems while supporting industry-standard communication protocols (e.g., ASCII, Modbus RTU/TCP).
• Adjustable stainless-steel U-bracket mounting system allows rapid installation on benches, conveyors, or wall-mounted frames without permanent anchoring—supporting flexible line reconfiguration per GMP or HACCP layout requirements.

Sample Compatibility & Compliance

The i-D33XW is validated for use with solid, semi-solid, and packaged goods across weight ranges appropriate to its capacity configuration (model-specific). Its sealed mechanical design meets hygiene standards required by FDA 21 CFR Part 11 (when paired with compliant software), EU Annex 11, and ISO/IEC 17025-accredited calibration practices. The stainless-steel surface finish conforms to ASTM A967 for passivation verification, ensuring no free iron contamination—a prerequisite in pharmaceutical excipient or active ingredient handling. While not intrinsically rated for hazardous locations, the scale complies with IEC 61000-6-2 (immunity) and IEC 61000-6-4 (emissions) for electromagnetic compatibility in industrial settings.

Software & Data Management

Data output follows deterministic ASCII framing over RS232, allowing direct parsing by third-party applications without proprietary drivers. Optional Ethernet firmware enables HTTP-based status polling and JSON-formatted weight streaming at up to 10 Hz. All weight events—including timestamped checkweighing results, accumulation totals, and count batch logs—are timestamped with millisecond resolution and retain metadata such as operator ID (if enabled via password-protected login), mode selection, and calibration state. Audit trail functionality records configuration changes, zero/tare actions, and calibration interventions—supporting GLP/GMP documentation requirements and internal quality audits.

Applications

• Food & beverage production: In-line checkweighing of filled packages, portion control verification, and yield tracking during batching or portioning operations.
• Pharmaceutical manufacturing: Raw material receipt verification, component counting for tablet blister packaging, and intermediate product weight checks prior to coating or compression.
• Chemical and polymer processing: Batch formulation verification, additive dosing validation, and drum/fiber tote gross-net tare management.
• Logistics and distribution centers: Parcel sorting validation, pallet load optimization, and returnable container reconciliation.
• Contract manufacturing organizations (CMOs): Multi-client environment support via user-role segmentation and instrument-specific configuration profiles stored in non-volatile memory.

FAQ

What is the ingress protection rating of the indicator and load cell?
The indicator housing is rated IP66 (dust-tight and protected against powerful water jets); the load cell assembly is rated IP67 (dust-tight and protected against immersion in water up to 1 m for 30 minutes).
Does the scale support regulatory-compliant data integrity?
Yes—when configured with optional Ethernet connectivity and paired with validated data acquisition software, it supports ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate) and meets baseline requirements for 21 CFR Part 11 electronic records.
Can the tri-color checkweighing display be customized per application?
Yes—the upper and lower tolerance thresholds, along with corresponding color assignments (red/yellow/green), are fully programmable via front-panel navigation or remote configuration tools.
Is calibration traceability available?
OHAUS provides NIST-traceable calibration certificates (optionally with uncertainty budgets) upon request; field calibration is supported using certified test weights meeting OIML R76 Class M2 or better.
What maintenance intervals are recommended for sustained IP performance?
Visual inspection of gasket integrity and cleaning port seals is advised quarterly; load cell zero stability verification should occur daily in regulated environments, with full recalibration performed at least every six months or per internal SOP.