https://cablematic.com/en/products/pce-ht-70-hygrometer-PC539/
PCE-HT 70 Hygrometer
- It measures the temperature and humidity of the air and saves the data in its internal memory.
- Compact Design: These compact dimensions allow it to be placed almost anywhere.
- Long battery life: The device has a long battery life.
- Memory for 16,000 values.
- Ideal for use in the food sector (cold rooms, refrigerated transport, warehouses) and also in the industrial sector (heating and cooling processes, temperature control of machines, warehouses, etc.).
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- It measures the temperature and humidity of the air and saves the data in its internal memory.
- Compact Design: These compact dimensions allow it to be placed almost anywhere.
- Long battery life: The device has a long battery life.
- Memory for 16,000 values.
- Ideal for use in the food sector (cold rooms, refrigerated transport, warehouses) and also in the industrial sector (heating and cooling processes, temperature control of machines, warehouses, etc.).
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More info
Thermohygrometer allows continuous measurement without having to worry about battery charge. The user can change the battery without having to lose any stored data. It is a very useful device for measuring temperature and humidity in different environments. It is designed to record and store data for long periods of time, offering an effective temperature and humidity control solution. Ideal for use in applications where precise control of temperature and humidity is required, such as food transport, industry, storage, etc. It can be programmed to log data manually or on a schedule, offering accurate measurement and long battery life. This makes it an ideal solution for a wide range of applications. Manufactured by PCE, with reference PCE-HT 70.
Specifications
- It measures the temperature and humidity of the air and saves the data in its internal memory.
- Compact Design: These compact dimensions allow it to be placed almost anywhere.
- Long battery life: The device has a long battery life.
- Memory for 16,000 values.
- Ideal for use in the food sector (cold rooms, refrigerated transport, warehouses) and also in the industrial sector (heating and cooling processes, temperature control of machines, warehouses, etc.).
- LED indicates that the equipment is recording data.
- Data transfer: The stored values can be transferred to a computer for display through the software as a graph curve.
- Data logging: The user can activate data logging manually or by programming the device.
- The internal clock with date and time allows the user to accurately assign events.
- Gross Weight: 400 g
- Number of packages: 1
Technical terms
- Hygrometer
- Battery charging cycles
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.
