5LC sulfur dioxide detection tube

NegotiableUpdate on 06/06

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

5LC sulfur dioxide SO2 detection tube Sulphur dioxide, 5LC sulfur dioxide detection tube Sulphur dioxide, environmental air quality monitoring system, atmospheric sampler, gas detector, environmental monitoring instrument, air quality detector, gas detection probe, detector, gas leak detection, carbon monoxide detection, ammonia detection, gas detection probe, transmitter, alarm, gas leak detection equipment, formaldehyde detection instrument, focusing on environmental detection and indoor air quality detection

Product Details

5LC 二氧化硫检测管 Sulphur dioxide

Sulphur dioxide No.5LC

SO2

Performance

Measuring Range	0.1 to 0.25 ppm	(0.25) to 10 ppm	10 to 25 ppm
Number of Pump Strokes	4	2	1
Correction Factor	0.4	1	2.5
Sampling Time	2 minutes per pumpstroke
Detecting Limit	0.02 ppm (n=4)
Color Change	Bluish purple →White
Reaction Principle	SO2 +I2 +2H2O 仺 H2SO4 +2HCl
Coefficient ofVariation	10% (for0.25 to 2 ppm), 5% (for 2 to 10 ppm)
ShelfLife	3Years
Correctionsfor temperature & humidity	Temperature correction isnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Concentration	Interference	Change color by itself
Nitrogendioxide	-	Minus error (Unclear demarcation)	Produces brown stainof 1 mm around inlet of the tube
Hydrogensulfide	1/10	Plus error	Produce uncleardemarcation and white stain.

Othersubstance measurable with this detector tube

Calibration gasgeneration

Permeation tubemethod

TLV-TWA	TLV-STEL	Explosive range
2ppm	5ppm	-