LASD CH4 laser methane detector · model MP050
A compact remote methane detector in a light-weight alloy housing. Aim it down a line up to 50 m (164 ft) away and it selectively measures the methane along that line, so you can check for leaks, monitor methane emissions and protect personnel, assets and the environment from a distance.
The LASD CH4 uses tunable diode laser absorption spectroscopy (TDLAS). A tunable diode laser is the light source and a photo detector measures the reflected light intensity. Methane absorbs the laser light at 1.65 µm, and that absorption is free of interference from atmospheric gases including CO2 and water vapor. Readings are given in ppm·m.
Put the green pointer on the area you want to check. The measurement runs along that line, up to 164 feet (50 meters) away.
Methane in the path absorbs the laser light at 1.65 µm. CO2 and water vapor do not interfere at that wavelength, which gives excellent selectivity for methane. The detector also features low false alarms.
The reading follows in 0.05 sec, auto-ranging from 0 to 99,999 ppm·m with 1 ppm·m resolution and ±10% accuracy.
Eye safety. The methane laser is invisible near-infrared light and the green pointer is visible. Do not point the detector at people or look directly into it.
A dot-matrix LCD shows the alarm, maximum and measured values in ppm·m in real time, with a bar chart of the reflected light intensity above them. Six keys run it.
A 13-bar chart of the reflected light reaching the photo detector.
4-bar status icon for the rechargeable lithium-ion battery, 8 hours typical operation.
Real-time readings of alarm, maximum and measurement, all in ppm·m.
Easy operation from two rows of three keys.
The detector, charger and wrist strap travel together in a hard carry case. The detector itself is compact and light weight, in a rugged alloy housing built for durable use and minimal maintenance.
Long-term stability, with no need for frequent calibration.
Key specifications for the mPower LASD CH4, model MP050.
| Measurement | |
|---|---|
| Gas sensor | TDLAS (Tunable Diode Laser Absorption Spectroscopy) of Methane (CH4) |
| Light source | Tunable diode laser, absorbed by methane at 1.65 µm; photo detector measures the reflected light intensity |
| Concentration range | Auto ranging, 0 - 99,999 ppm-m |
| Resolution | 1 ppm-m |
| Response time | 0.05 sec |
| Accuracy | ±10% |
| Measurement modes |
|
| Reach | |
| Detection distance | Up to 164 feet (50 meters) |
| Pointer | Built-in green light pointer of the measurement line, up to 50 meters |
| Display | Dot Matrix LCD, 1.38 x 1.18 in (35 x 30 mm) |
|---|---|
| Direct readout | Real-time readings of Alarm, Maximum and Measurement in ppm-m |
| Light intensity | 13-bar chart |
| Keys | 6 operation keys |
| Alarm |
|
| Power | |
|---|---|
| Battery | Rechargeable Lithium-Ion battery with 8 hours typical operation with 4-bar status icon |
| Charging | Charges from a laptop or other USB port |
| Physical | |
| Size | 5.1 x 2.0 x 1.3 in (130 x 52 x 35 mm) |
| Weight | 11 oz (308 g) |
| Housing | Rugged alloy housing |
| Environment | |
| IP rating | IP-54 |
| Temperature | -4° to 122°F (-20° to 50°C) |
| Humidity | 0% to 98% relative humidity (non-condensing) |
| Model | MP050 CH4 |
|---|---|
| Range | 1 - 99,999 ppm-m |
| Part No. | M011-0004-000 |
| Accessories | USB charger, wrist strap, hard case |
| Warranty | 1 Year |
Tell us how you plan to use the MP050 and we will come back with pricing and answers.
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