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首頁>產(chǎn)品中心>日本光明北川式氣體檢測(cè)管>氣體快速檢測(cè)管>108SA乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

簡(jiǎn)要描述:

乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm,檢測(cè)管能冷凍嗎?即使說明書中指明該檢測(cè)管需冷藏保存,也要保證不能被冷凍。檢測(cè)完畢,需要進(jìn)行溫度的校正嗎?需要。檢測(cè)完畢,應(yīng)該按照說明書中的修正表或圖進(jìn)行修正。

更新時(shí)間:2025-01-15

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乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

Tube 08SA

0
1000
500
Carbon monoxide〔ppm〕?
FIG.1 Influence of Carbon monoxide
Ethylene indicating value 〔ppm〕
200 400 0
1000
500
Hydrogen sulphide〔ppm〕?
FIG.2 Influence of Hydrogen sulphide
Bromine indicating value 〔ppm〕
500 1000
Coexistence
Interference
1. PERFORMANCE
1) Measuring range :20-1,200 ppm
Number of pump strokes :1(100ml)
2) Sampling time :3 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :2 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 :Yellow→Blue
2. RELATIVE STANDARD DEVIATION
RSD-low:5% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Molybdate is reduced and molybdeum blue is produced.
H2C=CH2+PdSO4+(NH4)2MoO4→Mo3O8
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS
DEHUMIDIFIER
(White)
To pump
20
50
100
200
400
600
800
1000
1200
ppm
108SA ETHYLENE
Substance ppm Interference Coexistence
Carbon monoxide FIG.1 10 GWrheoelne. layer is discoloured to Higher readings are given.
Hydrogen sulphide FIG.2 500 Black stain is produced. 〃
Acetylene 20 Similar stain is produced. 〃
Propylene 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
1,200 950 1,100 1,200 1,300 1,350
1,000 800 900 1,000 1,050 1,100
800 650 720 800 820 840
600 650 550 600 600 600
400 400 400 400 400 400
200 200 200 200 180 150
100 100 100 100 50 -
50 70 60 50 - -
20 40 30 20 - -

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