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Trimix Analyzers

SENSORSPro HePRO O2

Flow Rate0.5-1 L/min0.5-2 L/min

Resolution0.1%0.1%

Linearity / Repeatability±2% over full scale (Linearity)

± 1 % volume O2 @ 100% O2, applied for 5 min (Repeatability)

Accuracy±2% over full scale±1% 

over full scale if sensor well calibrated
and @ constant temperature, pressure and gas flow

Sensor TypeThermal conductiveElectrochemical

Expected Sensor Life>24 months 36 months

Range0.0-100.0% helium in air or nitrogen or oxygen0-100% oxygen

Response Time<10 seconds for 90% response<6 seconds for 90% of final value

Alarms(2) User-programmable audible and visual alarms(2) User-programmable audible and visual alarms

Operating Temperature41-104°F (5-40°C)32-104°F (0-40°C)

Storage Temperature5-122°F (15 to 50°C)32-122°F (0-50°C)

Operating Humidity0-90% rh, con-condensing0-99% rh, non-condensing

PowerRechargeable lithium battery with 110/230 V charger

Dimensions & Weight3.9 x 8.7 x 7.5 in (9.9 x 22.1 x 19.1 cm)
2.75 lb (1.25 kg)