https://cablematic.com/en/products/pce-444-hygrometer-PC301/
PCE-444 hygrometer
- It measures the temperature and humidity of the air to carry out orientative measurements.
- Easy one-hand operation.
- HOLD function to stop the measurement.
- Detection of dew point and wet bulb temperature.
- Battery powered for use on site.
2 yearswarranty
14 daysreturns
100%safe
- It measures the temperature and humidity of the air to carry out orientative measurements.
- Easy one-hand operation.
- HOLD function to stop the measurement.
- Detection of dew point and wet bulb temperature.
- Battery powered for use on site.
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More info
The hygrometer has the ability to detect dew point and wet bulb temperature. It allows the data obtained to be stored in memory for later analysis. Ideal to take anywhere. This measuring tool is easy to use, with just one hand. In this way, the user will not have to worry about the accuracy of the results. It is a useful tool to measure air temperature and humidity in situ. Its compact size makes it ideal to take anywhere. The equipment is easy to operate and its automatic shutdown function will save energy. It also allows detection of dew point and wet bulb temperature. Storing the data obtained in memory will be useful for later analysis. Manufactured by PCE with reference PCE-444.
Specifications
- It measures the temperature and humidity of the air to carry out orientative measurements.
- Easy one-hand operation.
- HOLD function to stop the measurement.
- Detection of dew point and wet bulb temperature.
- Battery powered for use on site.
- Automatic shutdown function to save energy.
- max. values and min to help make long-term measurements.
- Colour: black.
- Technology: NTC thermistor.
- Gross Weight: 146 g
- Number of packages: 1
Technical terms
- Hygrometer
A hygrometer is a precision instrument designed to measure relative humidity in the atmosphere or within specific technical enclosures using water vapor sensitive transducers.
Implementation of these devices in modern systems is primarily based on the variation of physical properties in dielectric or semiconductor materials. In industrial environments and data centers, electronic hygrometers utilize capacitive or resistive sensors that modify their impedance proportionally to environmental saturation. This data is processed via microcontrollers to facilitate real-time monitoring and automation of HVAC systems through industrial communication protocols.
| Technical Parameter | Standard Specification |
|---|---|
| Measurement Range | 0% to 100% RH |
| Typical Accuracy | ±1.5% to ±3% RH |
| Response Time | < 10 seconds (t90) |
| Output Interface | I2C, 4-20mA, 0-10V |
The integration of digital hygrometers into critical infrastructure enables proactive condensation management, a decisive factor in preventing corrosion-related failures and short circuits in high-density hardware. Their recent evolution toward MEMS technology has facilitated miniaturization and the incorporation of these sensors into massive IoT deployments, where energy efficiency and long-term stability are fundamental requirements for predictive maintenance.
Capacitive Transduction Technology
Most advanced electronic hygrometers employ a dielectric polymer placed between two electrodes. As it absorbs water vapor, the polymer's dielectric constant changes, altering the circuit's total capacitance. This method is noted for its linearity and relative resistance to chemical contaminants.
Main Advantages
- High thermal stability across wide operating ranges.
- Low power consumption, ideal for remote sensors.
- Direct integration capability with PLC control systems.
- Fast response to critical humidity fluctuations.
Note: Periodic calibration under traceable standards is necessary to mitigate sensor drift.
