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简单介绍：
光明理化二氧化物气体检测管126B
光明理化二氧化物气体检测管126B，二氧化物气体检测管126B Carbon dioxide CO2 0.01-0.7%，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史
详情介绍：
光明理化二氧化物气体检测管126B
光明理化二氧化物气体检测管126B，二氧化物气体检测管126B Carbon dioxide CO2 0.01-0.7%，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史 。目前是世界上*大的检测管生产厂家，也是日本**家通过美国SEI的认证，欧盟的认证的检测管厂家。公司不仅有ISO9001:2000的认证，还获得了环境管理的ISO14001的认证。北川式手动气体采集器AP-20 备有采气完成指示计 , 可以清楚的判明采气是否完成 . • 有专门截留玻璃的截留槽 , 以防止检测管割尖时玻璃片飞溅 . • 有采气容积为 50 毫升和 100 毫升的两段式制动卡 . • 采气器极为小巧 , 并有便于携带的皮具包 。
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.
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.