GEM Premier 3500 Blood Gas Analyzer 

Key Features

• Maintenance-free, disposable GEM PAK cartridges

• Intuitive touchscreen interface for easy operation

• Real-time quality control with iQM technology

• Wireless connectivity via GEMweb software

• Fast results in approximately 85 seconds

• No refrigeration required for cartridges

• Integrated barcode scanner for quick data entry

• Continuous 24/7 error detection and correction

GEM PAK Cartridge System

• Fully self-contained disposable cartridges

• Includes all components required for testing

• Replacement interval: every 21 days

• No maintenance required

• No refrigeration needed

Available Configurations

• Blood gases (pH, pCO₂, pO₂) + Hematocrit

• Blood gases + Electrolytes (Na⁺, K⁺, Ca²⁺) + Hct

• Blood gases + Electrolytes + Glucose + Lactate + Hct

• Optional modules: CO-Oximetry and Coagulation

Measured Parameters 

Direct Measurements

• pH

• pCO₂

• pO₂

• Sodium (Na⁺)

• Potassium (K⁺)

• Calcium (Ca²⁺)

• Glucose

• Lactate

• Hematocrit (Hct)

Calculated Parameters

• Bicarbonate (HCO₃⁻)

• Standard Bicarbonate

• Total CO₂ (TCO₂)

• Base Excess (BE)

• Oxygen Saturation (SO₂)

• Adjusted Calcium (Ca²⁺ at pH 7.4)

Technical Specifications 

Dimensions & Weight

• Height: 17.5 inches

• Width: 13 inches

• Depth: 11.8 inches

• Weight: 31.2 lbs

Sample Requirements

• Sample Type: Heparinized whole blood

• Sample Volume:

  • 135 µL (BG / Lytes / Hct)

  • 145–150 µL (extended panels)

Performance

• Time to Results: ~85 seconds

• Operating Temperature: 37°C electrode chamber

Measurement Methods

• Amperometric: pO₂, Glucose, Lactate

• Potentiometric: pH, pCO₂, Na⁺, K⁺, Ca²⁺

• Conductivity: Hematocrit

Power Requirements

• 100–240 VAC, 50/60 Hz

• 60-minute power interruption support

Connectivity

• 3 × RS-232 ports

• 1 × Ethernet port

• 4 × USB ports

• HL7 / ASTM compatible (LIS/HIS integration)

iQM (Intelligent Quality Management)

• Continuous real-time monitoring of all processes

• Automatic error detection and correction

• Operates 24/7 during testing

• Prevents reporting of incorrect results

• Generates compliance and quality reports

• Significantly reduces error detection time

Connectivity – GEMweb Software

• Wireless data communication

• Remote monitoring of analyzers

• Access patient and QC results from any networked PC

• Integration with hospital information systems (LIS/HIS)

• Real-time data management across the facility

Applications

• Intensive Care Units (ICU)

• Emergency Departments

• Hospital Laboratories

• Point-of-Care Testing

• Blood gas and electrolyte analysis

Key Advantages

• Fast and accurate results

• Minimal operator training required

• Maintenance-free operation

• High reliability in critical care environments

• Continuous quality assurance