Dry Electrolyte Analyzer

STAX1000 Dry Electrolyte Analyzer: Organized Specifications

General Specifications

• Technology: Dry electrochemical with patented pellet structure design.
• Cartridge: "5-in-1" disposable cartridge (includes iMg²⁺; maintenance-free).
• Test Parameters: K⁺, Na⁺, Cl⁻, iCa²⁺, iMg²⁺ (concurrent testing).
• Sample Types: Whole blood (direct testing).
• Sample Volume: 100 μL (minimal requirement).
• Throughput: Single-test cartridge (results in <5 minutes).
• Connectivity: Built-in barcode scanner, thermal printer, LIS/HIS compatibility.
• Portability: Compact design with >50 tests per charge.

Technical Specifications

• Power Supply: Rechargeable battery (portable operation).
• Calibration: Built-in calibration solution (swift calibration <5 minutes).
• Fluid System: No fluidic pathways (hassle-free operation).
• Environmental Conditions: Not specified (assumes standard clinical settings).

Detection & Analysis

• Test Ranges:
  • K⁺: 1.0–15.0 mmol/L
  • Na⁺: 100–200 mmol/L
  • Cl⁻: 65–160 mmol/L
  • iCa²⁺: 0.25–4.00 mmol/L
  • iMg²⁺: 0.2–1.5 mmol/L
• Accuracy:
  • K⁺/Na⁺/Cl⁻: ±3.0%
  • iCa²⁺/iMg²⁺: ±5.0% or ±0.05 mmol/L
• Precision (CV%):
  • K⁺/Na⁺/Cl⁻: ≤1.5%
  • iCa²⁺/iMg²⁺: ≤3.0%
• Stability: ≤2.0% drift over 12 hours.

Performance Validation

• Correlation with Benchtop Analyzer:
  • R² > 0.94 for all parameters (strong linear regression).
  • Key Regression Equations:
    • K⁺: y = 0.9689x + 4.7885
    • Na⁺: y = 0.9251x + 7.8213
    • Cl⁻: y = 0.9484x - 0.212
    • iCa²⁺: y = 1.0073x - 0.0003
    • iMg²⁺: y = 0.9721x - 0.0339

Intended Use Cases

• Emergency Medicine: Monitoring electrolytes in poisoning, coma, or convulsions.
• ICU: Critical care electrolyte tracking.
• Surgery/Anesthesiology: Intraoperative and postoperative monitoring.
• Nephrology: Dialysis patient management.
• Dermatology: Severe trauma/burn cases.
• General Practice: Primary electrolyte testing.
• Gastroenterology: Diarrhea/vomiting with coma.

Key Features

• Rapid Results: <5 minutes per test.
• Ease of Use:
  1. Scan & Remove: Scan cartridge barcode.
  2. Fill & Seal: Add 100 μL sample.
  3. Insert & Wait: Click cartridge into analyzer.
• Zero Maintenance: No fluidic pathways or daily cleaning.
• Portable Design: Ideal for point-of-care settings.
• Advanced Algorithms: Exclusive molecular probes ensure accuracy.

Regulatory & Compliance

• Validation: Meets clinical accuracy standards (vs. gold-standard benchtop analyzers).