For full functionality of this site it is necessary to enable JavaScript.

Gastec 91LL 速い検出チューブホルムアルデヒドHCHO(0.05〜1ppm)

  • 生産者:Gastec
    Model: 91LL
    起源: Japan
    • 要件クオート Request a Quotation
  • 連絡先
  • 在庫あり: 1 Unit
    • カートへ追加
    • 要件クオート
  • 校正検証修理サービスを参照してください

      いい価格のため、連絡しなさい

    ホットライン: (+84) 968060220

    電話番号: +84 (24) 62923267

Indicator: 0.05-1ppm
Measuring Range: 0.05-1ppm, Number of Pump Strokes 5
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellowish Brown → Reddish Brown
Reaction Principle: 3HCHO + (NH2OH)3H3PO4 → H3PO4, H3PO4 + Base → Phosphate
Coefficient of Variation: 10% (for 0.05 to 0.3 ppm), 5% (for 0.5 to 1.0 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Catalog

Manual

manual tube

Performance
Measuring Range 0.05 to 1.0 ppm
Number of Pump Strokes 5
Correction Factor 1
Sampling Time 1.5 minutes per pump stroke
Detecting Limit 0.03 ppm (n=5)
Colour Change Yellowish Brown → Reddish Brown
Reaction Principle 3HCHO + (NH2OH)3H3PO4 → H3PO4
H3PO4 + Base → Phosphate
Coefficient of Variation 10% (for 0.05 to 0.3 ppm), 5% (for 0.5 to 1.0 ppm)
Shelf Life 1 Year
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Ammonia   Yellow
(Unclear demarcation)
Nitrogen dioxide   No Pale pink
Aldehydes 1/3 time +
(Unclear demarcation)
Reddish brown
Ketones 1:1 +
(Unclear demarcation)
Reddish brown
Toluene 10 ppm No No
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
- C 0.3 ppm 7.0 to 73%
  • 良質な取り決め
  • オリジナル保証
  • 宅配便
  • 買い取り簡単化

おまけチャンス‐ニュースを受ける登録