nameSM-500 on-site direct reading smoke and dust tester
origin: Germany
main features：
On site direct reading of smoke and dust depth mg/m3, no need for subsequent balance weighing
High precision real-time weighing module for smoke and dust
Multi functional composite, simultaneously measuring O2 and CO
Simultaneously display concentration values and curves
Industry leading technology
Extremely high cost-effectiveness
Certified by German TUV

Technical Parameter
Measurement principle: Weighing method
Range: 0.0mg/m3~1000.mg/m3
Accuracy: better than ± 5%
Sampling volume flow rate (Vol):
Display: N L/min
Measurement principle: Differential pressure measurement
Range: 4.5 L/min and 3.0 L/min
Accuracy: better than ± 5%
O2 concentration in flue gas:
Display: Volume concentration of dry flue gas,%
Measurement principle: Electrochemical sensor
Range: 0.0~21.0 Vol.%
Accuracy: ± 0.3%
CO concentration in flue gas:
Display: Dry smoke volume,%
Measurement principle: Electrochemical sensor
Range: 0~100000 ppm
Resolution: 1 ppm (<32000ppm), other ranges are 10ppm
Accuracy: ± 100ppm (<1000ppm), or 10% of the measured value
Flue pressure/differential pressure:
Display: Pascal, hPa/Pa
Measurement principle: semiconductor membrane pressure sensor
Range: 0.00~± 110.00HPa
Resolution: 1 Pa
Accuracy: ± 3 Pa (<100Pa), other ranges 3%
Smoke temperature:
Display: ℃
Measurement principle: thermocouple (NiCr Ni)
Range: -20.0 ℃~800.0 ℃
Resolution: 0.1 ℃
Accuracy: ± 1 ℃
Calculated value:
Volume: Extraction volume of NL/min
O2: O2 content in dry flue gas,% (15 minute average)
COV: CO content in dry flue gas, ppm (15 minute average)
COn: Based on the standard CO content under reference O2, ppm or
mg/m3
Power supply: 230V, 50Hz, maximum 1200W
Storage temperature: -20 ℃~+50 ℃
Working temperature:+5 ℃~40 ℃
Weight: 15kg
Size: 48 × 24 × 55cm