https://cablematic.com/en/products/pce-wb-20sd-hygrometer-PC359/
PCE-WB 20SD Hygrometer
- Meter for the measurement of thermal stress with data recording.
- It measures indoor and outdoor WBGT value, black globe temperature, humidity, air temperature, dew point temperature, and wet bulb temperature.
- Ideal for guidelines for work breaks and restrictions on intense activities.
- SD card memory.
- Log up to 99 measurement values in real time, automatically at intervals from 1 to 3600 seconds, or manually by pressing a button.
2 yearswarranty
14 daysreturns
100%safe
- Meter for the measurement of thermal stress with data recording.
- It measures indoor and outdoor WBGT value, black globe temperature, humidity, air temperature, dew point temperature, and wet bulb temperature.
- Ideal for guidelines for work breaks and restrictions on intense activities.
- SD card memory.
- Log up to 99 measurement values in real time, automatically at intervals from 1 to 3600 seconds, or manually by pressing a button.
Related products
More info
Device designed to measure climatic factors and their influence on work and human performance. It is equipped with an SD memory card to store data and an acoustic signal to warn when conditions change. The meter measures the WBGT value, also known as the heat index, indoors and outdoors. It is useful for establishing guidelines for work breaks and restrictions on intense activities. In addition, it measures black globe temperature, humidity, air temperature, dew point temperature, and wet bulb temperature. These values can be stored on the SD memory card to keep a record of the environmental conditions at a certain time. It allows to log measurement data in real time, automatically or manually, with intervals from 1 to 3600 seconds. The stored values can be read on a PC using a spreadsheet program. It offers an objective assessment of working conditions when weather conditions are extreme. This measurement is helpful for the military, jobs, and sports activities. Manufactured by PCE with reference PCE-WB 20SD.
Specifications
- Meter for the measurement of thermal stress with data recording.
- It measures indoor and outdoor WBGT value, black globe temperature, humidity, air temperature, dew point temperature, and wet bulb temperature.
- Ideal for guidelines for work breaks and restrictions on intense activities.
- SD card memory.
- Log up to 99 measurement values in real time, automatically at intervals from 1 to 3600 seconds, or manually by pressing a button.
- They can be stored as evidence of the environmental conditions at a certain time.
- Reading of values stored in the SD memory card on PC.
- White color.
- Compatibility: Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10.
- Connections: USB.
- Technology: Bluetooth.
- Gross Weight: 725 g
- Number of packages: 1
Technical terms
- Hygrometer
- Bluetooth
- USB
- MicroUSB
- Mini USB
- USB 3.0
- SD, MiniSD, MicroSD
- 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.
