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HV DTemp IC Humidity Sensors
Digital humidity measurement
The IC humidity sensors measure humidity in confined spaces, e.g., inside high-voltage batteries. Their flexible integration into temperature measurement systems allows easy adaptation to the specific requirements of the measurement task.
Highlights
- Miniaturized and robust sensors
- Digital and therefore interference-free humidity measurement
- Clear identification and assignment of the measurement points
Description
The HV DTemp IC humidity sensor detects humidity at a specific point on its surface. These HV DTemp IC sensors can be installed in various forms depending on the application:
Single Sensors
- Single sensors with a connection cable for direct connection to an HV DTemp-Mx Controller.
Sensor Assembly
- Up to four individual sensors can be connected together to form a sensor assembly. To do this, they are either daisy chained with a connecting cable or connected via a small distribution board. In this way, the structure can be designed in a very customized way.
Various connection cables (cable diameter from 2.8 ±0.3 mm to 0.42 ±0.05 mm) are available for connecting the single sensors and sensor assemblies.
Technical Data
| HV DTemp IC Humidity Sensors | ||
|---|---|---|
| Measurement range | 0 to 100 % | |
| Internal resolution | 16 Bit | |
| Measurement deviation | max. ±2 %C max. ±2.5 % max. ±3 % |
(10 % to 70 % rF) (10 % to 80 % rF) (10 % to 90 % rF) |
| Dimensions | ||
| Sensor dimensions (w × h × d) |
approx. 2.5 mm × 1.25 mm × 2.5 mm | |
| Flexible circuit dimensions Single sensor (w × h × d) |
approx. 8 mm × 1.9 mm × 12 mm | |
| Distribution board dimensions Sensor assembly (w × h × d) |
approx. 30 mm × 2 mm × 17 mm | |
Applications
The extremely small dimensions, the robust design and the different possible types of the IC sensors allow humidity measurements at many places in the HV battery.
The HV DTemp measurement system is suitable for all combined temperature and humidity measurements with a large number of measurement points in confined spaces. The measurement system can be used to reliably record both values, particularly in HV batteries, e.g. for optimizing and validating HV batteries in electric or hybrid vehicles.
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