丙酮气体检测管102SD ACETONE 20-200ppm

102SD丙酮气体检测管102SD ACETONE 20-200ppm

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2022-06-02 18:20:02
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产品简介

丙酮气体检测管102SD ACETONE (-) p-Cymene CH3C6H4CH(CH3)2 20-200ppm,环境监测站近日从我公司购入一套恶臭气体应急检测箱,用于检测各种场合大气中的恶臭气体和臭气浓度。这一仪器将替代国标“三点式臭袋法”,其检测效果等同于“三点式臭袋法”,而检测效率将获明显提升。

详细介绍

丙酮气体检测管102SD ACETONE 20-200ppm

Tube 02SD
1. PERFORMANCE
1) Measuring range :125-5,000 ppm 50-2,000 ppm 20-800 ppm
Number of pump strokes 1 / 2(50mL) 1(100mL ) 2(200mL)
2) Sampling time :1.5 minutes / 1 pump stroke
3) Detectable limit :10 ppm(200mL)
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→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low :10 % RSD-mid.:5 % RSD-high :5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH 3COCH 3+Cr6++H 2SO 4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
102SD ACETONE
Substance Interference Coexistence
Alcohols Brown stain is produced. Higher readings are given.
Other Ketones 〃〃
Esters 〃〃
Aromatic hydrocarbons 〃〃
Paraffin hydrocarbons
If the top of discoloured
layer is possible to read,
the accuracy of readings is
not affected.

(more than C )
Halogenated hydrocarbons 〃〃
(NOTE)
In case of 1 / 2 or 2 pump strokes, following formula is available for the actual concentration.
1 / 2 stroke:s Actual concentration = 2.5 ×Temperature corrected value
2 stroke:s Actual concentration = 0.4 ×Temperature corrected value
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0 ℃ 10 ℃ 20 ℃ 30 ℃ 40 ℃
(ppm) (32 °F) (50 °F) (68 °F) (86 °F) (104°F)
2,000 3,500 2,800 2,000 1,600 1,300
1,500 2,750 2,000 1,500 1,250 1,000
800 1,300 1,000 800 700 600
600 1,000 800 600 550 450
400 650 500 400 350 300
200 300 200 200 200 200
100 200 100 100 100 100
:
:
50 100 50 50 50 50
1,000 1,670 1,250 1,000 850 700
GAS To pump
DEHUMIDIFIER
(White)
3
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