| Netsushin has developed a new type of High Temperature platinum
Resistance Thermometer (HTPRT), which model number is "HTS-21-1000" by the
collaboration work with National Institute of Advanced Industrial Science
and Technology (AIST).
10mK Stability at 1000ºC is realized !!
According to ITS-90 (International Temperature Scale 1990), the maximum
temperature for PRT has been defined at 961.78ºC, which is the
freezing point of Silver (Ag). Although the maximum temperature is defined,
no manufacturer could produce the PRT for such high temperature. Netsushin
has developed new PRT (HTS-21-1000) for high temperature and realized
extremely better stability, which is ±0.01ºC(10mK) at 1000ºC.
Features of HTS-21-1000
- wide range of measuring temperature, 0 to 1000ºC
- realize 0.01ºC (10mK) stability at 1000ºC
- available to place HTS-21-1000 not only vertically but horizontally
- realize better accuracy with few calibration point.
- the longer use of HTS-21-1000 at high temperature, the fewer drift rate.

| Model No.
|
HTS-21-1000
|
| Resistance Value at 0ºC |
3Ω±0.5Ω or 0.5Ω±0.5Ω |
| Resistance Ratio |
R(Ga)/R(TPW) 1.11807 |
| Temperature Range |
0ºC∼1000ºC |
| Error of Self Heating |
About 0.1mK/mA2 |
| Sensitivity |
0.01Ω/K(Ω/ºC) |
| Repeatability |
±10mK(±0.01ºC) |
| Sheath Material |
High purity quartz Glass or High purity Alumina sheath |
| Sheath Diameter |
5.0mm |
| Sheath Length |
600mm |
| Model No. |
NSR-160 |
NSR-230 |
NSR-300 |
NSR-660 |
| Temperature Range (ºC) |
-50~160 |
-50~230 |
0~300 |
0~660 |
| Resis. Value (at 0ºC) |
100Ω±1Ω |
100Ω±1Ω |
100Ω±1Ω |
25Ω±1Ω |
| Resis. Ratio (R(Ga)/R(TPW)) |
1.11807 |
1.11807 |
1.11807 |
1.11807 |
| Stability |
±1mK |
±2mK |
±5mK |
±10mK |
| Error, Self Heating (at 0ºC) |
0.3mK/mA2 |
0.3mK/mA2 |
0.3mK/mA2 |
0.3mK/mA2 |
| Sensitivity |
0.4/ΩK |
0.4/ΩK |
0.4/ΩK |
0.1/ΩK |
| Material of Sheath (mm) |
SS316 |
| Sheath Diameter (mm) |
φ3.2, φ4.8, φ6.0 |
φ6.0 |
φ7.0,φ6.0 |
| Sheath Length (mm) |
600 |
|