Description

Key Benefits

• Ultra-compact and portable: only ~150 g and small enough to fit in a lab-coat pocket :contentReference[oaicite:1]{index=1}
• Minimal sample volume: just 20 µL whole blood required :contentReference[oaicite:2]{index=2}
• No pre-treatment needed: test strips work directly with whole blood, using dry chemistry :contentReference[oaicite:3]{index=3}
• Battery- or mains-powered: operates on 2 × AA dry batteries (~1,000 tests per set) or AC adapter :contentReference[oaicite:4]{index=4}
• Low maintenance: daily strip-holder washing only; LED-based detection eliminates lamp changes :contentReference[oaicite:5]{index=5}

Core Features & Specifications

• Sample type: Whole blood
• Measurement principle: Single-wavelength reflectance photometry using 635 nm LED
• Measurement range: 10 – 400 N‑µg/dL (~8–285 µmol/L)
• Reaction time: ~3 min 20 s per test; warm-up max ~10 s :contentReference[oaicite:6]{index=6}
• Memory capacity: Stores last 50 test results :contentReference[oaicite:7]{index=7}
• External output: RS‑232C compliant; optional thermal printer (58 mm roll) supports printed results :contentReference[oaicite:8]{index=8}
• Auto temperature compensation: Integrated sensor ensures accuracy across 10–35 °C and 25–85 % RH :contentReference[oaicite:9]{index=9}
• Dimensions & Weight: 124 × 85 × 38 mm; approximately 150 g (excluding batteries) :contentReference[oaicite:10]{index=10}
• Power consumption: Battery: ~0.15 W; AC: ~4 W (@7.5 V DC, 3 A) :contentReference[oaicite:11]{index=11}

Recommended Use Cases

• Emergency departments, critical care, and ICU settings requiring rapid ammonia evaluation
• Pediatric units and metabolic or hepatic disorder screening where ammonia levels are critical
• Remote healthcare, disaster zones, and field operations needing portable diagnostics
• On-site testing in primary care, dialysis centers, or occupational health clinics

Additional Information

• Reflectance dry-chemistry system avoids delay from sample handling and helps minimize ammonia degradation before measurement :contentReference[oaicite:12]{index=12}
• Optional detachable printer (thermal 58 mm) allows immediate printouts of test results :contentReference[oaicite:13]{index=13}
• Hassle-free operation with minimal training—supports normal, continuous, and check measurement modes :contentReference[oaicite:14]{index=14}

Summary

The PocketChem BA PA‑4140 is a highly portable and intuitive blood ammonia meter designed for critical and point-of-care environments. With fast, accurate testing using minimal blood and dry chemistry, it enables emergency-level diagnostics without laboratory delays. Compact and battery-operated, it fits seamlessly into various clinical workflows where speed, portability, and reliability are essential.