|
Technical specifications (12 gases choice) |
|
Typical measurement ranges and alarm adjustments |
|
Parameter/Gas |
Symbol |
Range |
Alarm |
|
Inflammable gas |
CH4 |
0 ... 100% LEL |
20% LEL |
|
Oxygen |
O2 |
0 ... 25% v/v |
19% and 23% v/v |
|
Hydrogen sulfide |
H2S |
0 ... 100 ppm |
5 ppm |
|
Carbon dioxide |
CO2 |
0 ... 5 % v/v |
0.5 and 1.5% v/v |
|
Carbon monoxide |
CO |
0 ... 500 ppm |
30 ppm |
|
Sulfur dioxide |
SO2 |
0 ... 20 ppm |
1 ppm |
|
Chlorine * |
CL2 |
0 ... 5 ppm |
0.5 ppm |
|
Nitrogen dioxide* |
NO2 |
0 ... 10 ppm |
1 ppm |
|
Phosphine |
PH3 |
0 ... 5 ppm |
0.5 ppm |
|
Ammonia |
NH3 |
0 ... 100 ppm |
25 ppm |
|
Hydrogen |
H2 |
0 ... 1000 ppm |
100 ppm |
|
Ozone |
O3 |
0 ... 1 ppm |
0.1 ppm |
|
|
* With chlorine and dioxide of nitrogen the suction pump cannot be used to suction the air in the Air Quality Meterr Gasman II. |
|
Sensors (sensors are exchangeable) |
Response time (T90) |
Life |
|
Methane |
20 s |
5 years |
|
Toxic gases |
20 s |
3 years |
|
Oxygen |
10 s |
minimum 1 year |
|
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
|
|
Optical alarm
|
- Very clear and flashing LED
- Type of alarm Indicator
- green LED with low frequency flashing as operating indicator
|
|
Vibration alarm |
- Meter vibrates additionally as a complement to the optical and acoustic alarms |
|
Autozero function |
- In order to adapt the meter to different environmental conditions of measurement (always activate the clean air function) |
|
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 |
|
Measurement values memory |
Adjustable memory intervals, max. capacity of 900 h prolonged with measurement quota of 1 min (depends on the gas concentration) |
|
Power supply |
Toxic gases and oxygen |
- interchangeable lithium battery
- 1 year in normal use conditions |
|
in order to load, the charging station is necessary |
- 2 cells of nickel-metal hydride (reloadable), 8 ... 10 hours of operative duration |
|
Environmental conditions |
-20° C ... +55° C / -4° F ... +131° F
0 ... 99 % R.H. non condensed |
|
Housing |
IP 65/67 |
|
Dimensions |
90 mm x 48 mm x 24 mm /
3.5 in x 1.9 in x 0.94 in |
|
Weight |
max. 130 g / 0.29 lbs (battery included) |
|
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 |
|
Authorisation |
EEx ia (d) IIC T3 or T4
ATEX II 1G EEx ia IIC T4 (-20 ... +55 °C)
(Toxic gases and oxygen)
ATEX II 2G EEx ia d IIC T4 (inflammable gases) |