Headspace Oven TO 7280 and Sample Changer TW 7650
Product Descriptions
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
| Specifications | |
| TO 7280 headspace oven | |
| Sample dosing | Sample dosing |
| 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 |
| Supply via TO 7280 | 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 |
