Thermometrics MA Series of Biomedial Chip Thermistors is designed for use in applications involving both intermittent and continuous patient temperature monitoring with a range of 32°F to 122°F (0°C to 50°C). Both low in cost and highly stable, these precision thermochips provide reliability, tight interchangeable tolerances and geometries and fast response times that are often required in biomedical applications.
Applications
- Oral and rectal fever thermometers
- Vital sign monitoring during induced-hypothermia and general anesthesia
- Skin surface temperature monitoring
- Tympanic temperature monitoring
- Esophageal temperature monitoring
- Foley catheters
- Biofeedback applications
Features
- Field-proven designs
- Highly stable and reliable
- Interchangeable tolerances in the range of 32°F to 122°F (0°C to 50°C)
- Tight geometries
- Fast response times
Specifications
| Assembly Type | MA100 | MA200 | MA300 |
| Standard Diameters | 0.030 in (0.762 mm) 0.050 in (1.27 mm) 0.070 in (1.78 mm) 0.080 in (2.03 mm) |
0.156 in (3.96 mm) | 0.375 in (9.52 mm) |
| Body Length | 0.375 in (9.52 mm) | 3.75 in (95.25 mm) | N/A |
| Lead Length | 0.375 in (9.52 mm) | 3.75 in (95.25 mm) | N/A |
| Wire Gauge | 20, 30, 32, 38, AWG | 30 AWG | 30 AWG |
| Standard Wire Insulation | *Heavy Isomid *Medical Grade PVC *Polyurethane with Nylon Overcoat |
PTFE | Medical Grade PVC PTFE |
| Body Material | Molded Plastic or Kapton Sleeve | Lexan Shaft Aluminum Tip | Stainless Steel |
| Nominal R Values @ 77°F (25°C) | 2252 Ω, 3000 Ω, 5000 Ω, 10,000 Ω | ||
| Thermal Response Time (63% Response) |
MA100 Catheter Assembly |
MA200 Oral-Rectal Assembly |
MA300 Skin Surface Assembly |
| Still Air | 15 seconds | 35 seconds | 45 seconds |
| Still Water* | 2.0 seconds | 0.6 seconds | 2.0 seconds |
| *Response time provided is for assembly plunged from 77°F (25°C) air to 41°F (5°C) water. | |||
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