Defender® 6000 Washdown Scale – i-D61PW

Overview

The Defender® 6000 Washdown Scale (i-D61PW) is an industrial-grade, high-protection weighing platform engineered for rigorous operational environments where hygiene, durability, and regulatory compliance are non-negotiable. Designed around the principles of precision load-cell transduction and robust environmental sealing, this scale employs a hermetically welded 316 stainless steel load cell conforming to IP68 and IP69K ingress protection standards—ensuring full resistance to high-pressure water jets, steam cleaning, corrosive agents, and repeated sanitation cycles. Its structural architecture integrates food-grade polycarbonate (PC) for the indicator housing and fully welded 316 stainless steel for the pan, frame, upright column (excluding 300 kg and 600 kg variants), and load path components—eliminating crevices that harbor microbial contamination. Certified to NSF/ANSI Standard 18 for Food Equipment, it meets foundational requirements for HACCP-aligned production workflows in food processing, pharmaceutical manufacturing, and fine chemical synthesis.

Key Features

• IP68 & IP69K-rated construction: Fully sealed against dust, immersion up to 1 m for 30 minutes (IP68), and high-temperature, high-pressure washdown (up to 145 °C, 100 bar, 15 sec exposure per ISO 20653)
• NSF-certified design: Compliant with NSF/ANSI 18 for material safety, surface finish (Ra ≤ 0.8 µm), and cleanability—validated for direct contact with food products
• 6-digit, 7-segment white-backlit LCD display with 45 mm character height for high-visibility operation under ambient lighting or gloved-hand conditions
• Triple-color LED checkweighing bar (red/yellow/green) with programmable tolerance thresholds and visual status feedback
• 150% overload protection with automatic over/underload detection, low-battery alert, auto-zero tracking, and configurable auto-off delay
• Configurable environmental filtering: Adjustable digital damping settings to stabilize readings in vibration-prone or draft-affected zones
• Full keypad and menu lockout capability to prevent unauthorized parameter changes during GMP/GLP-regulated operations
• Integrated real-time clock supporting GLP/GMP-compliant data traceability (date/time stamping for weight records)

Sample Compatibility & Compliance

The i-D61PW supports diverse sample forms—including bulk solids, packaged goods, liquid-filled containers, and temperature-sensitive intermediates—without compromising measurement integrity. Its 316 stainless steel pan and frame resist pitting from organic acids, sodium hypochlorite, hydrogen peroxide, and quaternary ammonium sanitizers commonly deployed in FDA-registered facilities. The scale is compatible with standard USP and weighing protocols when configured with appropriate calibration weights and documented procedures. It satisfies critical elements of 21 CFR Part 11 for electronic records when paired with compliant data export tools (e.g., RS-232 or optional magnetic IR interface), enabling audit-ready event logs including calibration history, user logins, and weight capture timestamps.

Software & Data Management

While the i-D61PW operates as a standalone instrument, its serial interface (RS-232 standard, optional magnetic infrared adapter available) enables seamless integration into MES, ERP, or LIMS platforms via ASCII-based weight streaming. All weight events—including gross/net/tare values, checkweigh results, count totals, and percentage deviations—are timestamped and exportable with operator ID (if authenticated via external system). Built-in GLP/GMP mode enforces mandatory fields for date, time, and user identification on printed or transmitted records. Optional auto-print functionality supports label printers compliant with ESC/POS command sets, facilitating immediate documentation for batch release or inventory reconciliation.

Applications

• Food & Beverage: In-line checkweighing of prepackaged items (e.g., frozen entrées, dairy pouches, baked goods); portion control during mixing/blending; yield verification post-thaw or post-cook
• Pharmaceuticals: Weighing of active pharmaceutical ingredients (APIs) and excipients prior to granulation; container tare-and-fill validation; component reconciliation in API synthesis suites
• Chemicals: Batch dispensing of catalysts, pigments, or polymer additives under controlled humidity; drum filling verification with leak-proof containment
• Distribution & Logistics: Pallet accumulation verification, shipping manifest validation, and returnable packaging reconciliation in wet-dock or refrigerated warehouse zones

FAQ

Is the i-D61PW suitable for use in sterile manufacturing areas?

Yes—its NSF certification, smooth-welded 316 SS surfaces, and absence of threaded fasteners or gasketed seams meet baseline requirements for Grade C/D cleanroom support zones, provided facility-specific disinfection validation is performed.
Does the scale support calibration traceability to NIST standards?

Yes—when calibrated using OHAUS-certified Class F1 or E2 weights with documented uncertainty budgets, the device supports full metrological traceability per ISO/IEC 17025 requirements.
Can the display brightness be adjusted for low-light environments?

No—the backlight intensity is fixed, but the high-contrast 45 mm digits ensure legibility under standard industrial lighting (≥200 lux) and with typical PPE usage.
What maintenance intervals are recommended for washdown environments?

Daily visual inspection of seal integrity and weekly functional verification of zero stability and repeatability are advised; formal recalibration should occur at least every 6 months or after any impact event or extended exposure to thermal cycling.