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首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>175SH氮氧化物NO+NO2氣體檢測管175SH NITROGEN OXIDES 100-2500ppm

氮氧化物NO+NO2氣體檢測管175SH NITROGEN OXIDES 100-2500ppm

簡要描述:

氮氧化物NO+NO2氣體檢測管175SH NITROGEN OXIDES 100-2500ppm,一氧化碳檢測管,苯檢測管,甲苯檢測管,二甲苯檢測管,氮氧化物檢測管,二氧化硫檢測管,二氧化碳檢測管,氧氣檢測管,氫氣檢測管,氟化氫檢測管,甲醇檢測管,乙醇檢測管,丙酮檢測管,丁酮檢測管,氯苯檢測管,氯乙稀檢測管,三氯乙稀檢測管,二硫化碳測毒管

更新時間:2025-07-02

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氮氧化物NO+NO2氣體檢測管175SH NITROGEN OXIDES 100-2500ppm

氮氧化物NO+NO2氣體檢測管175SH NITROGEN OXIDES 100-2500ppm

Tube 75SH NITROGEN OXIDES
1. PERFORMANCE
1) Measuring range :100-2,500 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :1 year
5) Operating temperature :5~45℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
NO ; By reacting with an Oxidizer, NO2 is produced.
NO+CrO3+H2SO4→NO2
NO2+(C6H5)2NH→(C6H5)2NNO
NO2 ; By reacting with Diphenylamine ,N- Nitroso-diphylamine is produced.
NO2+(C6H5)2NH→(C6H5)2NNO
4. CALIBRATION OF THE TUBE
NO ; STANDARD GAS CYLINDER METHOD
NO2 ; PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
100
200
300
400
600
800
1000
1500
2000
2500
ppm
100ml
GAS To pump
PRETREAT REAGENT
(Reddish brown)
Substance Interference ppm Coexistence
Hydrogen chloride Tchhaen bgoetdto tmo Dofa drkis bclouleo.ured layer is 500 Higher readings are given.
Sulphur dioxide The accurecy of reading is not
affected.
(NOTE)
When the concentration of Nitrogen oxides is high(over 2,000 ppm)in the measuring range, a green ring may
occur in the discoloured layer or double-stained layer may occur. The total stain length should be read, even if
the stained layer gets multi-colour discolouration.

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