TETRA-MINI alerts the user acoustically, visually and vibrationally to the presence of flammable gases (CH4), oxygen (O2), hydrogen sulfide (H2S) and carbon monoxide (CO). Furthermore, this unpumped four-gas meter displays the current measured value on its graphic LCD screen with backlight. Other gas sensors are available for this instrument. Call for details.
- Sensor types: CH4 / H2S / CO / O2
- Easy one-button operation
- Rechargeable Li-ion battery
- ATEX II 2G EEx iad IIC T4 approved
Gas | Chemical symbol | Range |
Alarm limit |
Flammable gases | CH4 | 0 ... 100% LEL | 20% LEL |
Hydrogen sulfide | H2S | 0 ... 100 ppm | 10 ppm |
Carbon monoxide | CO | 0 ... 500 ppm | 30 ppm |
Oxygen | O2 | 0 ... 25% | 19% and 23.5% |
Response times (T90) | Lifespan | ||
Flammable gases | 20 s | 5 years | |
Toxic gases | 20 s | 3 years | |
Oxygen | 10 s | min. 1 year | |
Audible alarm | 90 dB (A) at 1m distance different sound for different alarm levels |
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Visual alarm | Particularly bright LED / red and blue | ||
Display | High contrast LCD graphic display, backlit, graphical symbols for battery status with bar graph for the remaining battery operation time | ||
Power supply | Rechargeable Lithium-ion battery with 12-hour min. operating time based on pumped four-gas device with flammable gas sensor |
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Environmental conditions | -20 ... +55°C / -4 ... 131° F / 0 ... 99% RH non-condensing | ||
Body class | IP 65 and IP 67, can be submerged in water | ||
Dimension | 114 mm x 71 mm x 48 mm / 4.5 in x 2.8 in x 1.9 in | ||
Weight | 295 g / 10.4 oz | ||
Approval codes Europe North America |
ATEX II 2G Ex ia d IIC T4 Gb (-20 ... +55°C / -4 ... 131° F ), BASEEFA 05ATEX0187 CSA Class I Division 1 Groups A, B, C and D |
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Safety standards Europe North America |
EN60079-0, EN60079-11, EN60079-1, 94/9/EC CSA22.2, 152 |
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Calibration The device can be routinely calibrated manually using the menu, using a PC and optional Windows-compatible software (not included - see accessories) or using PCE Instruments' recalibration services (call for details). |