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

Downloads

Handbooks / Whitepaper
Titration Handbook (English)
A guide with helpful practical tips

Content:

Basics of titration

Volume measurement devices, manual and automatic titration

Sample handling

Sensors and reagents

Titration parameters and calculations

Applications / Photometric titrations / Karl Fischer Titration / Verification of the titration

Download file
Whitepaper "Water Determination in Cannabis with KF Titration" (EN)

Whitepaper (EN), 2024
Water Determination in Cannabis with KF Titration

Download file
Application Reports / Case Studys

Application note for the determination of water in liquid samples (English)
In this application note, you will learn more about the karl fischer determination of water in liquid samples using the TL 7500 KF, TL 7750 and TL 7800 titrators from SI Analytics, a brand of Xylem Analytics.ent.
Download file

Application Note KF-Titration with Oven TO 7280 Troubleshooting (English)
KF-Titration with Oven TO 7280 Troubleshooting
Application Note
Download file

Application note KF-Titration with Oven TO 7280 Troubleshooting (German)
KF-Titration with Oven TO 7280 Troubleshooting,
Application note
Download file

Application note for the water determination with headspace oven (English)
In this application note, you will learn more about coulometric water determination using the TO 7280 headspace oven with the TW 7650 sample changer and the TL 7500 KF trace titrator from SI Analytics, a brand of Xylem Analytics.
Download file

Application note for the water determination in oil with low water content with the headspace oven (English)
In this application note, you will learn more about coulometric water determination in oils with low water content by the headspace oven. The TL 7500 KF-Trace titrators from SI Analytics, a brand of Xylem Analytics, are used.
Download file

Application report for titration of acid in sauces (English)
This application report describes the determination of acid in sauces such as ketchup, mustard, mayonnaise or salad dressing. For this purpose, the TL 5000, TL 7000, TL 7500 KF, TL 7750 and TL 7800 titrators are used for precise and simple titration by SI Analytics, a brand of Xylem Analytics.
Download file

Application report for the determination of sodium chloride in sauces (English)
This application report describes the determination of salt in sauces such as ketchup, mustard, mayonnaise or salad dressing. For this purpose, the TL 5000, TL 7000, TL 7500 KF, TL 7750 and TL 7800 titrators are used for precise and simple titration by SI Analytics, a brand of Xylem Analytics.
Download file
Flyers / Brochures / Catalogues

Water determination in all types of samples (Flyer, English, 980100US)
Flyer, 8 Seiten, English, 980100US
"Headspace oven and sample changer for coulometric KF Titration"
Download file
Manuals

TO 7280 / TW 7650 / TM 235 TO (Manual, DE, EN)
KF Oven System
Document No.: 8253188
Download file