Thermometrics ZTP-315 Infrared (IR) Sensors consist of thermo-elements, flat infrared filter and a thermistor for temperature compensation, all in a hermetically-sealed TO-46 (18) package. Thermopile IR Sensors are used for non-contact, or infrared, surface temperature measuring. There are also a variety of filters available to help maximize performance in specific applications.
Features
- Non-contact measurement
- Wider surface area measurement
- Small-size sensor package
- Included ambient temperature (thermistor) sensor for compensation
- High sensitivity
- Fast response time
- Low cost
Specifications
Thermopile Chip
| Parameter | Limit Min | Limit Typ | Limit Max | Units | Conditions |
| Chip Size | 3.6 x 3.6 | mm2 | |||
| Diaphragm Size | 2.6 x 2.6 | mm2 | |||
| Active Area | 1.3 x 1.3 | mm2 | |||
| Internal Resistance | 35 | 50 | 65 | kΩ | 25°C |
| Resistance T.C | 0.12 | %/°C | |||
| Responsivity | 22 | 32 | 42 | V/W | 500K, 1 Hz |
| Responsivity T.C | -0.11 | %/°C | |||
| Noise Voltage | 30 | nV rms | R.M.S., 25°C | ||
| NEP | 0.94 | nW/Hz½ | 500K, 1 Hz | ||
| Detectivity | 1.38 E08 | cmHz½/W | 500K, 1 Hz | ||
| Time Constant | 25 | ms |
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