Thermometrics Miniature Series of Glass Bead NTC Thermistors offers a range of miniature thermoprobes consisting of a large bead thermistor hermetically sealed in the tip of a shock resistant solid glass rod. They offer improved, long-term stability and high reliability.
Applications
Type P20/P25/P30:
The longer body length makes them particularly well-suited for applications where fast response and immersion in fluids are the major requirements.
Type P60/P65/P85/P100:
General purpose applications involving temperature measurement and control, circuit temperature compensation, liquid level sensing or fluid flow sensing.
Features
Type P20/P25/P30:
Type P60/P65/P85/P100:
Specifications P20/P25/P30
| Thermal Time Constant | P20 | P25 | P30 |
| Still Air at 77°F (25°C): | 1.6 sec | 2.0 sec | 3.0 sec |
| Plunge into Water: | 18 msec | 23 msec | 60 msec |
| Dissipation Constant | P20 | P25 | P30 |
| Still Air at 77°F (25°C): | .14 mW/°C | .16 mW/°C | .30 mW/°C |
| Still Water at 77°F (25°C): | .70 mW/°C | .80 mW/°C | 1.50 mW/°C |
| Power Rating (in Air): | P20 | P25 | P30 |
| Max Power Rating | .020 Watts | .025 Watts | .035 Watts |
| 100% Max Power to: | 302 (150°C) | 302 (150°C) | 302 (150°C) |
| Derated to 0% at: | 572°F (300°C) | 572°F (300°C) | 572°F (300°C) |
Specifications P60/P65/P85/P100
| Thermal Time Constant | P60 | P65 | P85 | P100 |
| Still Air at 77°F (25°C): | 12 sec | 13 sec | 16 sec | 22 sec |
| Plunge into Water: | 300 msec | 320 msec | 400 msec | 600 msec |
| Dissipation Constant | P60 | P65 | P85 | P100 |
| Still Air at 77°F (25°C): | .60 mW/°C | .65 mW/°C | .85 mW/°C | 1.00 mW/°C |
| Still Water at 77°F (25°C): | 3.00 mW/°C | 3.30 mW/°C | 4.00 mW/°C | 5.00 mW/°C |
| Power Rating (in Air): | P60 | P65 | P85 | P100 |
| Max Power Rating | .060 Watts | .625 Watts | .085 Watts | .100 Watts |
| 100% Max Power to: | 392°F (200°C) | 392°F (200°C) | 392°F (200°C) | 392°F (200°C) |
| Derated to 0% at: | 572°F (300°C) | 572°F (300°C) | 572°F (300°C) | 572°F (300°C) |
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