Digital differential pressure meter LDPM-A20 is an advanced microprocessor based handheld unit. It is developed for the determination of pressure difference and can measure positive as well as negative pressures. Fabricated using new semiconductor based nm process, it provides stable and precise readings for different levels in and out of clean rooms.
| Measuring range | ± 500 Pa |
|---|---|
| Accuracy | |
| Repeatability | ± 0.2 % FS |
| Resolution | 0.1 Pa |
| Sampling rate | 0.5 s |
| Operating temperature range | 0 °C ∼ 50 °C |
| Operational humidity | ˂ 85 RH |
| Display resolution | 320 x 240 |
| Power supply | 2400 mA Li-battery |
| Dimensions | 55 x 180 x 85 mm |
| Weight |
Used in differential pressure measurement of clean rooms, air conditioning ducts, pneumatic, compressor and pump installations, valves, tanks and heating, ventilation and air conditioning (HVAC) systems, departments such as electronics, pharmaceuticals and biotechnology; monitoring of filters, etc.
| Measuring range | 0 ∼ 125 Pa |
| Accuracy | 0 ± 0.2 Pa (liner error)<hr> ± 1 % |
| Operating temperature range | 0 °C ∼ 50 °C |
| Operational humidity | ˂ 85 RH |
| Ozone measurement range | 0 ppm ∼ 5 ppm, 0 ppm ∼ 100 ppm, 0 ppm ∼ 300 ppm, 0 ppm ∼ 600 ppm ( Optional ) |
| Flow rate | 1.5 L/min |
| Accuracy | 0.01 ppm or 3 % of reading |
| Resolution | 0.001 ppm |
| Measuring range | ± 500 Pa |
| Repeatability | ± 0.2 % FS |
| Resolution | 0.1 Pa |
| Sampling rate | 0.5 s |
| Measuring range | 0 ∼ 125 Pa |
| Accuracy | 0 ± 0.2 Pa (liner error)<hr> ± 1 % |
| Operating temperature range | 0 °C ∼ 50 °C |
| Operational humidity | ˂ 85 RH |
| Ozone measurement range | 0 ppm ∼ 100 ppm/ 0 ppm ∼ 1000 ppm |
| Flow rate | 1 L/min |
| Accuracy | 0.01 ppm |
| Measuring time | 10 seconds |
| Capacity | 50 kg |
| Accuracy | 1 g |
| Speed | 1 s |
| Value stable time | 2 s |
| Temperature Measurement Range | -10℃ to 60℃ |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ± 1.5℃ |
| Relative Humidity Range | 20% to 80% RH |
| Sampling Method | Diffusion | ||||||
| Working conditions |
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| Explosion proof grade | Exia II CT3 | ||||||
| Protection grade | IP65 |
| Sampling method | Diffusion |
| Sensor type | CO2: solid electrolyte sensor, O2：electrochemical sensor |
| Detection range | CO2：0.04 to 5.00 % and O2：0.0 to 30.0 % |
| Detection accuracy | CO2：± 30 % rdg (rdg = reading) and O2：± 3 % F.S. (F.S. = full scale) |
| Sampling | With internal sampling pump, flow rate is up to 1 L/min, ten grades of pumping suction for selection |
| Gas | Ethylene C2H4 |
| Measure Range | 0 to 1000 ppm |
| Resolution | 1ppm |