Yoke SY Series Advanced Analytical Balance with Touchscreen Interface

Overview

The Yoke SY Series Advanced Analytical Balance is a high-precision laboratory instrument engineered for reproducible mass measurement in regulated and research-intensive environments. Based on electromagnetic force compensation (EMFC) transduction technology, the SY Series delivers stable, drift-resistant readings under variable ambient conditions—critical for applications requiring compliance with ISO/IEC 17025, USP , and ASTM E898 standards. Available in four configurations (SY104, SY105, SY204, SY304), the series covers nominal capacities from 100 g to 300 g with readability down to 0.01 mg (SY105 dual-range mode) or consistently 0.1 mg across other models. Its modular mechanical design isolates the load cell, digital processing unit, and display subsystems to minimize thermal and electromagnetic interference—ensuring long-term stability and metrological integrity.

Key Features

• 5.6-inch high-resolution TFT color touchscreen (262,144 colors) with intuitive graphical user interface supporting multi-language operation (English, Spanish, French, German, Chinese)
• Electromagnetically shielded architecture: stainless steel draft shield frame, removable tempered-glass windscreen, corrosion-resistant stainless steel weighing pan (Ø90 mm), and fully segregated circuitry for sensor, CPU, and display modules
• Dual communication interfaces—RS-232 and USB—enabling seamless integration with LIMS, ELN, and QC reporting systems
• External calibration capability with traceable weights; optional internal motorized calibration kit available upon request for enhanced workflow efficiency
• Onboard data storage supporting ≥10,000 measurement records with timestamp, operator ID, and environmental metadata (temperature, humidity if connected to external sensors)
• Multi-user management system with role-based access control (administrator, technician, operator) and password protection per function group

Sample Compatibility & Compliance

The SY Series accommodates standard laboratory samples—including powders, granules, liquids in tared vessels, and small solid components—within its defined capacity and pan geometry. The Ø90 mm stainless steel pan ensures compatibility with common weighing boats, crucibles, and volumetric flasks. All models comply with international regulatory expectations for analytical balance validation: they support full documentation of calibration history, performance verification (e.g., repeatability, eccentricity, linearity), and are compatible with FDA 21 CFR Part 11–compliant software extensions when deployed with validated SUPERTEXT 1.0 configurations. Built-in diagnostics monitor environmental drift, overload events, and sensor saturation, generating automatic alerts to maintain data integrity throughout GLP and GMP workflows.

Software & Data Management

SUPERTEXT 1.0 is a dedicated PC-based application certified for scientific data acquisition and processing. It provides real-time bidirectional communication with the balance via RS-232 or USB, enabling automated data logging, customizable report generation (PDF/CSV/XLSX), and electronic signature capture. The software implements configurable audit trails—including user login/logout timestamps, parameter changes, and result modifications—with immutable record retention. Preloaded application modules include: animal weighing (tare stabilization for live specimens), density determination (using auxiliary sinker kits), formulation (multi-step ingredient addition with tolerance feedback), accumulation (batch totalization), checkweighing (pass/fail threshold evaluation), percentage weighing (relative to reference mass), piece counting (average piece weight calculation), and target weighing (guided dispensing to preset mass). All modules adhere to ALCOA+ principles for data reliability.

Applications

The SY Series serves core functions across pharmaceutical quality control (e.g., active pharmaceutical ingredient (API) assay, excipient blending verification), academic research (gravimetric analysis, stoichiometric synthesis, catalyst loading), food safety testing (moisture content, ash residue quantification), and materials science (coating thickness validation via mass loss, nanoparticle yield assessment). Its 0.1 mg readability and ≤0.1 mg repeatability meet routine requirements for USP repeatability testing at 5% and 100% of capacity. In teaching laboratories, the touchscreen interface and multilingual menu reduce training overhead while maintaining metrological rigor expected in ISO/IEC 17025-accredited facilities.

FAQ

What calibration standards are recommended for external calibration of the SY Series?
NIST-traceable Class E2 or F1 stainless steel weights conforming to OIML R111 are recommended. Calibration should be performed at minimum two points (e.g., 50% and 100% of capacity) following ISO 17025–aligned procedures.
Is the SY Series compatible with networked laboratory environments?
Yes—via RS-232-to-Ethernet converters or USB-to-serial gateways, the balance integrates into centralized instrument networks. SUPERTEXT 1.0 supports scheduled data push to shared drives or cloud-based repositories with TLS encryption.
Does the balance support automatic environmental compensation?
While the SY Series does not feature built-in temperature/humidity sensors, its isolated architecture minimizes thermal drift. Optional external environmental probes can feed real-time data to SUPERTEXT 1.0 for post-acquisition correction.
Can multiple operators share one instrument without compromising data traceability?
Yes—each user logs in with unique credentials; all actions (weighings, calibrations, configuration changes) are tagged with operator ID and timestamp in both onboard memory and exported reports.
What is the warranty coverage and service support structure?
Yoke provides a 24-month limited warranty covering parts and labor. Global technical support includes remote diagnostics, firmware updates, and access to certified calibration labs through authorized distribution partners in North America, EU, and APAC regions.