SI Analytics Headspace Oven TO 7280 and Sample Changer TW 7650

SI Analytics Headspace Oven TO 7280 and Sample Changer TW 7650

  • SKU: 285227820
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  • Description

    Headspace Oven and Sample Changer for coulometric KF Titration

    The headspace oven technique of the TO 7280 allows the separation of the water to be titrated from liquid, solid and semi-solid (paste-like) samples. In combination with the TW 7650 sample changer, up to 49 samples can be analysed.
    Titrator TitroLine KF Trace M6 required, sold separately.

    General features:

    • Semi-automatic or fully automatic water determination
    • No contamination of the anolyte, generator and indicator electrodes
    • Application range from 35°C – 280°C

    Special features of the Headspace Oven (TO 7280):

    • Automatic lowering and raising of the needle head
    • Automatic switching on and off of the air/gas supply
    • Can be upgraded to a fully automatic system by connecting the Sample Changer (TW7650)

    Special features of the Sample Changer (TW 7650)

    • Can be upgraded to the TO 7280 oven at any time
    • Up to 49 samples* can be measured
    • The start drift can be determined before each sample
    • Each sample can be measured at a different temperature

    Requires TitriSoft version 3.50 or higher to operate.

    *One position is reserved for the zero-vial to determine the start drift
    Scope of supply headspace oven TO 7280:
    Basic unit with power supply 100-240 V

    Scope of supply autosampler TW 7650:
    Basic unit. Device is connected to the TO 7280 headspace oven and supplied with power.

    Scope of supply autosampler software set TW 7650-TitriSoft:
    TW 7650 basic unit, TitriSoft 3.5P

    Scope of supply headspace oven autosampler -set TO 7280 - TW 7650 set:
    Headspace-oven TO 7280, autosampler TW 7650, TitriSoft 3.5P.

    More information on water determination with Karl Fischer titrators can be found on our overview page - definition and advantages of Karl Fischer titration, comparison of coulometric and volumetric titration, automation for titration, FAOs.

    You will find more information about the new titration catalog! 

  • Specifications

    TO 7280 headspace oven

    Sample dosing: Headspace vials (5 ml…)
    Measuring range: 1 μg…100 mg absolute
    Resolution: 0,1 μg
    Reproducibility: ± 3 μg bei 10 … 1000 μg, 0,3 % bei > 1 mg
    Temperature range: 35 °C … 280 °C (isotherm)
    Resolution: 0,1 °K
    Power supply: 115 … 230 V, 50/60 Hz
    Power input: 250 W
    Dimensions: 300 x 450 x 240 mm (W x H x D)
    Weight: 7 kg
    Ambient conditions: Ambient temperature + 10 … + 40 °C for operation and storage


    TW 7650 auto sampler

    Number of positions: 49 samples + 1 zero vial
    Power supply: Supply via TO 7280
    Power input: Supply via TO 7280
    Dimensions: 420 x 450 x 460 mm (W x H x D) incl. TO 7280
    Weight: 10 kg without/17 kg with TO 7280
    Ambient conditions: Ambient temperature + 10 … + 40 °C for operation and storage

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