Gastec 143 Quick-measuring Detector tubes Vinyl acetate CH3CO2CH:CH2 (5~250ppm)

Name: Gastec 143 Quick-measuring Detector tubes Vinyl acetate CH3CO2CH:CH2 (5~250ppm)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model143

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 10 to 100 ppm
Measuring Range:
+ 5 to 10 ppm, Number of Pump Strokes 4
+ 10 to 100 ppm, Number of Pump Strokes 2
+ 100 to 250 ppm, Number of Pump Strokes 1
Sampling Time: 30 seconds per pump stroke
Colour Change: White → Brown
Reaction Principle: CH3CO2CH:CH2+C6H3(CH3)3+ H2S2O7 → Condensation Polymer (Brown)
Coefficient of Variation: 15% (for 10 to 20 ppm), 10% (for 20 to 100 ppm)
Nr. of tests: 5
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

5 to 10 ppm

10 to 100 ppm

100 to 250 ppm

Number of Pump Strokes

Correction Factor

1/2

2.5

Sampling Time

30 seconds per pump stroke

Detecting Limit

1 ppm (n=4)

Colour Change

White → Brown

Reaction Principle

CH3CO2CH:CH2+C6H3(CH3)3+ H2S2O7 → Condensation Polymer (Brown)

Coefficient of Variation

15% (for 10 to 20 ppm), 10% (for 20 to 100 ppm)

Shelf Life

3 Years

Corrections for temperature & humidity

Unnecessary

Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Aldehydes		+	Brown
Ketones		+	Brown
Ethylene	≧ 1000 ppm	+	Yellow
Vinyl chloride	≧ 500 ppm	+	Yellow

Calibration gas generation

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
10 ppm	15 ppm	2.6 to 13.4%

ຕິດຕາມຂ່າວສານ ແລະ ຂໍ້ສະເໜີ

ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.

ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.

ການຊ່ວຍເຫຼືໍາດ່ວນ

ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ