https://cablematic.com/en/products/pce-ht-71n-thermohygrometer-PC540/
PCE-HT 71N Thermohygrometer
- Thermohygrometer with USB port for measuring ambient temperature and humidity.
- Memory for 32,000 values.
- USB interface for data transfer.
- Dew point calculation software.
- Battery powered.
2 yearswarranty
14 daysreturns
100%safe
- Thermohygrometer with USB port for measuring ambient temperature and humidity.
- Memory for 32,000 values.
- USB interface for data transfer.
- Dew point calculation software.
- Battery powered.
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More info
This hygrometer is a versatile device that offers advanced functionalities. It is designed to measure ambient temperature and humidity quickly and accurately. The device is compact and robust, with the capacity to store up to 32,000 values (16,000 per parameter). Battery life is up to 1 year. The device has a USB port to transfer data to a PC. The software included in the shipment allows the user to calculate the dew point. The registration quota can be freely set between 2 seconds and 24 hours. The hygrometer is ideal for the transport sector, refrigerated counters, department stores, refrigerated transport and air-conditioned rooms. Manufactured by PCE, with reference PCE-HT 71N
Specifications
- Thermohygrometer with USB port for measuring ambient temperature and humidity.
- Memory for 32,000 values.
- USB interface for data transfer.
- Dew point calculation software.
- Battery powered.
- Ideal for the transport sector, refrigerated counters, department stores, refrigerated transport or air-conditioned rooms.
- Battery life up to 1 year.
- Free adjustment of registration quota between 2 seconds and 24 hours.
- Possibility of activating data recording from the PC.
- Evaluation of the values on the PC.
- Dew point calculation.
- Gross Weight: 188 g
- Number of packages: 1
Technical terms
- Hygrometer
- USB
- MicroUSB
- Mini USB
- USB 3.0
- Reversible USB Type-C
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.
