Product Description
Product Description
Product profile of TW-2200B Intelligent Total Suspended Particle Air Sampler
The instrument uses the filter membrane weighing method to capture the total suspended particles in the ambient atmosphere (such as TSP, PM10, PM2.5, etc.). Widely used in environmental protection, occupational health, factories and mining enterprises, colleges and universities, scientific research and other institutions.
Technical Feature of TW-2200B Intelligent Total Suspended Particle Air Sampler
■ With a real-time clock, can set the timing sampling, equal interval multiple sampling;
■ TSP / PM10 / PM2.5 sampling head is made of aluminum alloy, antistatic adsorption;
■ Automatic measurement of temperature and air pressure, automatic calculation of the standard condition sampling volume;
■ Small volume, light weight, easy to carry;
■ Large size Chinese dot matrix LCD screen, with the temperature, automatically adjust the contrast of the LCD screen, can work normally at minus 20 degrees;
■ Power loss protection function, power call automatic sampling;
■ With RS232 digital communication interface, it can be connected to the external thermal printer, convenient for data output.
Technical Parameter of TW-2200B Intelligent Total Suspended Particle Air Sampler
Main parameter
| Parameter range
| Resolving power (R.P.)
| Accuracy
|
Sampling traffic
| (10～130)L/min
| 0.1 L/min
| Better than±2.5%
|
Flow repeatability
| -
| -
| Better than±2.0%
|
Flow stability
| -
| -
| Better than±2.0%
|
dwell time
| 1min～99h59min
| 1min
| Better than±0.2%
|
Pre-gauge pressure
| (-30～0)kPa
| 0.01kPa
| Better than±2.5%
|
Environmental atmospheric pressure
| (60～130)kPa
| 0.01kPa
| Not exceeding ±500Pa
|
RTC
| 24 Hour system
|
Equinterval sampling time
| Set it arbitrarily within 99 hours and 59 minutes
|
Number of equal-interval sampling times
| 1～99 times
|
Battery power supply time
| Continuous power supply is greater than 7 hours
|
Battery charger
| DC29.4V 4A
|
Battery cycle life
| ≥1000 times
|
Instrument noise
| ≤55 dB(A)
|
weight
| About 4.0kg
|
Source
| AC (220 ± 22) V, 50Hz or optional TW-DY 24 series portable AC / DC power supply
|
Power dissipation
| ＜200W
|
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