Hoàn tiền
Bảo đảm hoàn tiền trong 15 ngày.
Thanh toán an toàn
Chúng tôi đảm bảo 100% An toàn Thanh toán.
GasTec xylene Detector tubes - Model : 4LL Measuring Range : 0.25 ~ 120ppm (10 Tubes For 10 Tests)
- Detecting tube name: 4LL hydrogen sulfide
- Number of measurements of 1 box: 10
- Expiration date (year): 3
- Measurement gas name: Hydrogen sulfide
- Measurement range: 0.25 - 120ppm
- Standard suction times (n): 1
- Measurement time (hr): -
- Special remarks: Oxygen shortage rule