VM15 User Manual Specification
247
Multi Gas - Optional
⚫ Mainstream (Multi Gas)
◼ Operating Temperature
◆ IRMA AX+: 5 to 50 °C (41 to 122 °F)
◼ Operating Humidity
◆ < 40 hPa H2O (non-condensing) (95 %RH at 30 °C)
◼ Operating Atmospheric Pressure
◆ 525–1200 hPa
(525 hPa corresponding to an altitude of 4,572 m / 15,000 feet)
◼ Power Supply
◆ IRMA AX+: 4.5-5.5 VDC, max 1.4 W
(power on surge @ 5 V less than 350 mA during 200 ms)
◼ Breath Detection
◆ Adaptive threshold, minimum 1 vol% change in CO2 concentration
◼ Respiration Rate
◆ 0 ~ 150 bpm, ± 1 bpm
◼ Warm-up Time
◆ IRMA AX+: < 20 seconds (agent identification enabled and full accuracy)
◼ Rise Time
◆ CO2 ≤ 90 ms
◆ N2O ≤ 300 ms
◆ HAL, ISO, ENF, SEV, DES ≤ 300 ms
◼ Total System Response Time
◆ < 1 second
◼ Accuracy - Standard Conditions
(valid for dry single gases at 22 ± 5 °C and 1013 ± 40 hPa)
◆ CO2:
0 to 15 vol% ± (0.2 vol% + 2% of reading
◆ N2O:
0 to 100 vol% ± (2 vol% + 2% of reading)
◆ SEV:
0 to 10 vol% ± (0.15 vol% + 5% of reading)
◆ DES:
0 to 22 vol% ± (0.15 vol% + 5% of reading)
◆ HAL, ISO, ENF:
0 to 8 vol% ± (0.15 vol% + 5% of reading)
◼ Accuracy - All Conditions
(valid for all specified environmental conditions)
◆ CO2: ± (0.3 kPa + 4% of reading)
◆ N2O: ± (2 kPa + 5% of reading)
◆ Agents: ± (0.2 kPa + 10% of reading)
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