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Isotech
Isotech ITS-90 Isothermal Towers (ISOTower)
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Isotech ISOTower: In to Al fixed points; 6N metal; plateau to 30 h; mK UKAS. RFQ.
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Key parameters
Approvals
CCT/2000-13 performance evaluation (OEM); Optional UKAS calibration
Temperature Range
156.5985 °C (In) to 660.323 °C (Al)
Metal Purity
6N (99.9999%)
Plateau Duration
Up to 30 hours
Ukas Uncertainty Premium
±0.6 mK (In) to ±2 mK (Al), k=2, whole system
Ukas Uncertainty Standard
±2 mK (In/Sn/Zn) to ±6 mK (Al)
Fits ITS-90 fixed-point realizations where you need an Isotech ISOTower (490/491/492/493)—isothermal towers covering indium 156.5985 °C through aluminium 660.323 °C with 6N metal purity, plateau duration up to 30 hours, and UKAS uncertainty options down to about ±0.6 mK (In) class.
Key advantages
- Points — In to Al (156.5985…660.323 °C)
- Purity — 6N (99.9999%) metal
- Plateau — Up to 30 hours
- Uncertainty — Premium UKAS to about ±0.6 mK (In) class
- Immersion — 290 mm total; 8 mm pocket
Typical applications
- ITS-90 realizations.
- Primary lab fixed points.
- SPRTs at metal points.
Selection guide
- Tower model 490–493
- Premium vs standard UKAS
- Voltage 110/230
Common mistakes
- Contamination of cell.
- Rushing 2 h heat.
- Wrong immersion.
When to RFQ / what to tell us
- Model/calibration.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 45118 |
| Brand | Isotech |
| Model | ITS-90 Isothermal Towers (ISOTower) |
| Product type | ITS-90 Fixed Point Cell Apparatus |
| Model | 490/491/492/493 ISOTower |
| Temperature range | 156.5985 °C (In) to 660.323 °C (Al) |
| Metal purity | 6N (99.9999%) |
| Plateau duration | Up to 30 hours |
| UKAS uncertainty premium | ±0.6 mK (In) to ±2 mK (Al), k=2, whole system |
| UKAS uncertainty standard | ±2 mK (In/Sn/Zn) to ±6 mK (Al) |
| Heating time | 2 hours |
| Immersion depth | 290 mm total; 180 mm metal surface to reentrant tube bottom |
Documents
FAQ
Q: Points? A: Indium through aluminium.
Q: Plateau? A: Up to 30 hours.
Q: What should I send for a quote? A: Model/calibration, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Approvals | CCT/2000-13 performance evaluation (OEM); Optional UKAS calibration |
| Temperature Range | 156.5985 °C (In) to 660.323 °C (Al) |
| Metal Purity | 6N (99.9999%) |
| Plateau Duration | Up to 30 hours |
| Ukas Uncertainty Premium | ±0.6 mK (In) to ±2 mK (Al), k=2, whole system |
| Ukas Uncertainty Standard | ±2 mK (In/Sn/Zn) to ±6 mK (Al) |
| Heating Time | 2 hours |
| Pocket Diameter | 8 mm |
| Immersion Depth | 290 mm total; 180 mm metal surface to reentrant tube bottom |
| Power | 900 W; 110 or 230 Vac 50/60 Hz |
| Pc Interface | Supplied with PC cable and software |
| Dimensions | H 430 × W 310 × D 300 mm |
| Weight | 15 kg |
| Special Features | Patented immersion compensator + siphonic cell; transportable, no glass parts |