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產(chǎn)品型號(hào)105SD
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更新時(shí)間:2024-12-11 10:38:40瀏覽次數(shù):1704次
聯(lián)系我時(shí),請(qǐng)告知來(lái)自 化工儀器網(wǎng)苯氣體檢測(cè)管118SB BENZENE 5-300ppm
室內(nèi)空氣甲醛檢測(cè)管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測(cè)毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
對(duì)甲苯胺C6H4(CH3)(NH2)氣體檢測(cè)管105SD P-TOLUIDINE 2-20ppm
Tube 05SD
1. PERFORMANCE
1) Measuring range :1-20 ppm 0.2-1 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.1 ppm(100ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale purple→Pale Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
2NH3+H3PO4→(NH4)2PO4
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
20
18
16
14
12
10
8
6
4
2 1
100ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
105SD AMMONIA
Substance Interference Coexistence
Amines Similar stain is produced. Higher readings are given.
(NOTE)
When the concentration is below 1 ppm, 2 to 5 pump strokes can be used to detemine the lower concentration.
Following formula is available for actual concentration.
Actual concentration=Reading value× 1
Number of strokes
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