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Technical specifications (12 gases choice) |
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Typical measurement ranges and alarm adjustments |
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Parameter/Gas |
Symbol |
Range |
Alarm |
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Inflammable gas |
CH4 |
0 ... 100% LEL |
20% LEL |
|
Oxygen |
O2 |
0 ... 25% v/v |
19% and 23% v/v |
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Hydrogen sulfide |
H2S |
0 ... 100 ppm |
5 ppm |
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Carbon dioxide |
CO2 |
0 ... 5% v/v |
0.5 and 1.5% v/v |
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Carbon monoxide |
CO |
0 ... 500 ppm |
30 ppm |
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Sulfur dioxide |
SO2 |
0 ... 20 ppm |
1 ppm |
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Chlorine * |
CL2 |
0 ... 5 ppm |
0.5 ppm |
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Nitrogen dioxide* |
NO2 |
0 ... 10 ppm |
1 ppm |
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Phosphine |
PH3 |
0 ... 5 ppm |
0.5 ppm |
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Ammonia |
NH3 |
0 ... 100 ppm |
25 ppm |
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Hydrogen |
H2 |
0 ... 1000 ppm |
100 ppm |
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Ozone |
O3 |
0 ... 1 ppm |
0.1 ppm |
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* With chlorine and dioxide of nitrogen the suction pump cannot be used to suction the air in the Air Quality Meterr Gasman II. |
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Sensors (sensors are exchangeable) |
Response time (T90) |
Life |
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Methane |
20 s |
5 years |
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Toxic gases |
20 s |
3 years |
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Oxygen |
10 s |
Minimum 1 year |
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Acoustic alarms |
- 85 dB (a) to 1 m of distance (adjustable tone)
- Tone of regular control that can be disconnected
- Prolonged tone in case of low battery in the gas meter
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Optical alarm
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- Very clear and flashing LED
- Type of alarm Indicator
- Green LED with low frequency flashing as operating indicator
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Vibration alarm |
- Meter vibrates additionally as a complement to the optical and acoustic alarms |
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Autozero function |
- In order to adapt the meter to different environmental conditions of measurement (always activate the clean air function) |
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Display |
- LCD with backlight
- 10 mm lines to indicate the gas value
- Symbols for: Max Hold, Batt Low, calibration
ground zero, alarm 1 and 2, 15 min and 8 h, alarms TWA |
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Measurement values memory |
Adjustable memory intervals, max. capacity of 900 h prolonged with measurement quota of 1 min (depends on the gas concentration) |
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Power supply |
Toxic gases and oxygen |
- Interchangeable lithium battery
- 1 year in normal use conditions |
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in order to load, the charging station is necessary |
- 2 cells of nickel-metal hydride (reloadable), 8 ... 10 hours of operative duration |
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Environmental conditions |
-20°C ... +55°C / -4°F ... +131°F
0 ... 99 % R.H. non condensed |
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Housing |
IP 65/67 |
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Dimensions |
90 mm x 48 mm x 24 mm /
3.5 in x 1.9 in x 0.94 in |
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Weight |
Max. 130 g / 0.29 lbs (battery included) |
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Norms |
EN 50014, EN 50020, EN 50018, EN 55022
clase B, EN 50081-2, Ex 95C2348X, Ex 65C2349, Ex 95Y1350, IEC 801-3, EN 50082-2, IEC 61508, EN 61779, EN 50721 |
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Authorisation |
EEx ia (d) IIC T3 or T4
ATEX II 1G EEx ia IIC T4 (-20 ... +55 °C / -4°F ... +131°F)
(Toxic gases and oxygen)
ATEX II 2G EEx ia d IIC T4 (inflammable gases) |