H E Y E R P a s i t h e c
Rev. 0.2 Draft – 12/09 HEYER Pasithec, Operator’s manual 97 / 106
10.10.2 Technical Specification
General
Description Extremely compact infrared mainstream multi-gas probe.
Dimensions(W×D×H) IRMA CO
2
38×37×34 mm (1.49”×1.45”×1.34”)
IRMA AX+:
38×29×31 mm (1.49”×1.14”×1.22”)
Cable length 2.50 mm ± 0.02 m
Weight <30g (cable excluded)
Operating temperature IRMA CO
2
: 0~40°C, 32~104°F
IRMA AX+: 10~40°C, 50~10°4F
Storage and transportation
temperature
IRMA Probe: -20~50°C, -4~122°F
Operating humidity 10-95% RH, non-condensing
Storage and transportation
humidity
5~100% RH, condensing
IRMA CO
2
525~1200 hPa (525 hPa corresponding to an altitude of 4572 m /
15000 feet)
IRMA AX+;
700~1200 hPa (700 hPa corresponding to an altitude of 3048 m /
10000 feet)
Storage and transportation
pressure
500 to 1200 hPa
Mechanical strength Withstands repeated 1m (IRMA CO
2
1.8 m) drops on a hard
surface.
Complies with requirements for road ambulances according to
prEN1789:2004 (clause 6.4) and requirements for shock and
vibration according to EN ISO 21647:2004 (clause 21.102,
transport).
Power supply IRMA CO
2
4.5~5.5 VDC, max 1.0 W
(power on surge @5V less than 350 mA during 200 ms)
：
IRMA AX+
：
4.5~5.5 VDC, max 1.4W
(power on surge @5V less than 350 mA during 200 ms)
Surface temperature
(at ambient temp.23℃)
IRMA CO
2
Max 41°C/106°C
IRMA AX+
Max 55°C/131°F
Interface Modified RS-232 serial interface operating at 9600bps
Airway adapters Disposable adult/pediatric:
-Adds less than 6 ml dead space
-Pressure drop less than 0.3cmH
2
O @ 30 LPM
Disposable infant:
-Adds less than 1 ml dead space
-Pressure drop less than 1.3 cmH
2
O @ 10 LPM
Note1: After being in a condensing atmosphere, the unit shall be stored for more than 24h in an
environment equivalent to the operating humidity.
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