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二氧化物气体检测管126B Carbon dioxide CO2 0.01-0.7%

简要描述:

126B CARBON DIOXIDE 二氧化物气体检测管126B Carbon dioxide CO2 0.01-0.7%,由于测定各种不同气体的检测管其反应性质不同,不是所有品种的检测管都可进行此量程扩展,在说明书中没有给出可采用此法的检测管,使用该方法将会使测量准度大为降低。

更新时间:2017-07-26

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二氧化物气体检测管126B Carbon dioxide CO2 0.01-0.7%

二氧化物气体检测管126B Carbon dioxide CO2 0.01-0.7%

1. PERFORMANCE
1) Measuring range :0.03-0.7% 100-1,500 ppm
Number of pump strokes 1(100ml) 3(300ml)
2) Sampling time :5 minutes/1 pump stroke
3) Detectable limit :20 ppm(300mr)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Concentration chart method
8) Colour change :Purplish blue→Pale pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
CO2+2NaOH→Na2CO3+H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
Tube No.
126B CARBON DIOXIDE
60
Chart True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
0.7 0.8 0.75 0.7 0.65 0.6
0.6 0.7 0.65 0.6 0.55 0.5
0.5 0.6 0.55 0.5 0.45 0.4
0.4 0.45 0.4 0.4 0.4 0.35
0.3 0.35 0.3 0.3 0.3 0.25
0.2 0.25 0.2 0.2 0.2 0.2
TEMPERATURE CORRECTION TABLE(3 pump strokes)
Chart True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
1,500 1,800 1,650 1,500 1,400 1,350
1,400 1,700 1,550 1,400 1,300 1,250
1,300 1,550 1,400 1,300 1,250 1,150
1,200 1,450 1,300 1,200 1,150 1,100
1,100 1,300 1,200 1,100 1,050 1,000
1,000 1,200 1,100 1,000 950 900
900 1,100 1,000 900 850 800
800 950 900 800 750 700
700 850 750 700 650 600
600 700 650 600 550 500
500 600 550 500 500 450
400 500 450 400 400 350
300 350 300 300 300 250
200 250 200 200 200 200
TEMPERATURE CORRECTION TABLE (1 pump stroke)
X�
X�
1,500�
1,200�
1,000�
800�
600�
400�
300�
200�
100�
0�
1,500�
1,200�
1,000�
800�
600�
400�
300�
200�
100�
0�
CARBON DIOXIDE�
LOW RANGE�
FOR 3 PUMP STROKES(300mR)�
ppm IN AIR CONCENTRATION
X�
X�
0.7�
0.6�
0.5�
0.4�
0.3�
0.2�
0.15�
0.1�
0.05�
0.03�
0�
0.7�
0.6�
0.5�
0.4�
0.3�
0.2�
0.15�
0.1�
0.05�
0.03�
0�
CARBON DIOXIDE�
LOW RANGE�
FOR 1 PUMP STROKE(100mR)�
PER CENT. IN AIR CONCENTRATION
Substance ppm Interference ppm Coexistence
Chlorine 20 Pale yellowish blue stain is produced.
Sulphur dioxide 100 〃〃
Hydrogen cyanide The accuracy of readings not affected. 〃
Hydrogen sulphide 〃〃
Nitrogen dioxide 30 Pale yellowish blue stain is produced. 〃
When CO2 comcentration is more than 300 ppm,
the accuracy of readings is not affected.
www.r-biopharm.com.cn
www.r-biopharm.com.cn

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