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產(chǎn)品型號(hào)105SC
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所 在 地上海市
更新時(shí)間:2024-11-20 07:56:35瀏覽次數(shù):1563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
氨氣測(cè)毒管105SC AMMONIA NH3 5-260ppm
Tube 05SC
1. PERFORMANCE
1) Measuring range :10-260 ppm 5-130 ppm
Number of pump strokes 1(100mr) 2(200mr)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.5 ppm(200mr)
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
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
10
20
40
60
80
100
120
140
160
180
200
220
240
260
100ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
105SC AMMONIA
Substance Interference ppm Coexistence
Amines Similar stain is produced. Higher readings are given.
Sulphur dioxide NH3conc.×1/3 Lower readings are given.
Chlorine 2 〃
(NOTE)
In case of 2 strokes, the following equation is available for the actual concentration.
Actual concentration=1/2×Reading value.
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