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CRITICALMED-013

Nonin 9590 OnSat Pulse Oximeter

Nonin Medical

A94

Medical-grade fingertip pulse oximeter measuring blood oxygen saturation (SpO2) and pulse rate. Accurate to ±2% SpO2. Used in hospitals and military field medicine. Runs 50+ hours on 2 AAA batteries. Water-resistant. Works in poor perfusion (cold fingers, shock).

Critical for monitoring respiratory illness, carbon monoxide exposure, altitude sickness, and shock. An SpO2 below 94% requires immediate intervention — this device tells you who needs oxygen first when medical help is unavailable.

Tevatha Gear Score

Durability
88
Grid Independence
96
Field Repair
40
Value Density
94
Supply Chain
88
$74.99
74.99 USDC
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