當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 105SH氨氣觀測管AMMONIA 0.5-30%
室內空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
氨氣觀測管AMMONIA 0.5-30%,氣體檢測管是用來檢測某種氣體在某一環境中所含濃度的簡易檢測裝置,通過檢測劑與被檢測氣體的反應而出現顏色變化,來表示所測環境中的氣體濃度。在不用任何能源、電源的情況下,具有操作簡單、使用范圍廣、檢測準確、即時性強和經濟的特點。www.yd17.cn
Tube 05SH
1. PERFORMANCE
1) Measuring range :0.5-30%
Number of pump strokes 1(100mL)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :100 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pink→Blue?Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Ammonia reacts with Cobalt chloride(II)and complex salt is produced.
NH3+αCoCI2+βH2O→CoCI2?αNH3?βH2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
0.5
12
5
10
15
20
25
30
%
100ml
GAS To pump
105SH AMMONIA
Substance ppm Interference ppm Coexistence
Hydrogen sulphide If the top of discoloured layer is
0.01% Whole layer is discoloured to Black. 0.3% possible to read, the accuracy of
FIG.1 readings is not affected.
Amines The accuracy of readings is
not affected.
0
15
5
10
25
25
30
Hydrogen sulphide〔%〕?
FIG.1 Influence of Hydrogen sulphide
Ammonia indicating value 〔ppm〕
0.1 0.2 0.3 0.4 0.5 0.6 0.7
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
30 - 35.0 30.0 27.0 25.0
25 35.0 30.0 25.0 23.0 21.0
20 28.0 24.0 20.0 18.0 17.0
15 22.0 18.0 15.0 13.0 12.0
10 15.0 12.0 10.0 9.0 8.0
5 8.0 6.0 5.0 4.5 4.0
2 3.0 2.5 2.0 1.9 1.8
1 1.2 1.2 1.0 1.0 0.9
0.5 0.5 0.5 0.5 0.5 0.5
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