Gastec 124 ທໍ່ເຄື່ອງກວດຈັບດ່ວນວັດແທກ Styrene C6H5CHCH2 (10-1500 ppm)

Name: Gastec 124 ທໍ່ເຄື່ອງກວດຈັບດ່ວນວັດແທກ Styrene C6H5CHCH2 (10-1500 ppm)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model124

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 20 to 500 ppm
Measuring Range:
+ 10 to 20 ppm, Number of Pump Strokes 2
+ 20 to 500 ppm, Number of Pump Strokes 1
+ 500 to 1500 ppm, Number of Pump Strokes 1/2
Sampling Time: 30 seconds per pump stroke
Colour Change: White → Yellow
Reaction Principle: C6H5CH:CH2+ H2S2O7 → Condensation Polymer
Coefficient of Variation: 15% (for 20 to 100 ppm), 10% (for 100 to 500 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Manual tube

Performance

Measuring Range

10 to 20 ppm

20 to 500 ppm

500 to 1500 ppm

Number of Pump Strokes

1/2

Correction Factor

1/2

Sampling Time

30 seconds per pump stroke

Detecting Limit

1 ppm (n=2)

Colour Change

White → Yellow

Reaction Principle

C6H5CH:CH2+ H2S2O7 → Condensation Polymer

Coefficient of Variation

15% (for 20 to 100 ppm), 10% (for 100 to 500 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

Alcohols	≧ 0.5%	+ (Bleaching)	No
Esters	≧ 0.5%	+ (Bleaching)	No
Ketones	≧ 0.5%	+ (Bleaching)	No

Calibration gas generation

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
20 ppm	40 ppm	1.1 to 6.1%

ຕິດຕາມຂ່າວສານ ແລະ ຂໍ້ສະເໜີ

ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.

ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.

ການຊ່ວຍເຫຼືໍາດ່ວນ

ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ