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Extech RHT20 Humidity and Temperature Datalogger is a compact and reliable device designed for continuous monitoring of temperature and humidity levels in various environments. It features a large memory capacity that records up to 16,000 readings for each parameter, making it ideal for long-term environmental monitoring. With a user-friendly interface and easy USB data transfer, the Extech RHT20 ensures accurate and efficient data logging for HVAC, storage facilities, laboratories, and clean rooms.
This datalogger comes with a high and low alarm system that alerts users when readings exceed preset thresholds, ensuring safety and compliance in critical applications. The LCD display provides real-time humidity and temperature readings, while the included software allows detailed data analysis and graphical reporting. Its compact design and battery-powered operation make it easy to install in both fixed and portable setups.
Whether for industrial monitoring or environmental testing, the Extech RHT20 Humidity and Temperature Datalogger ensures precise measurement and long-term performance. It’s an essential tool for maintaining environmental control in HVAC/Clean Rooms, storage areas, and other sensitive facilities.
For those looking for the Extech RHT20 Humidity and Temperature Datalogger Price in Bangladesh, Pico Labs Ltd. offers authentic products with professional calibration and after-sales support.
Pico Labs Ltd. delivers trusted calibration and rental services for advanced electrical test and measurement instruments across Bangladesh. The company ensures accuracy, reliability, and expert technical support, helping clients maintain high-quality standards in their industrial, environmental, and laboratory operations.
Key Features
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Records up to 16,000 temperature readings and 16,000 relative humidity (RH) readings — allowing long-term logging of both parameters.
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User-selectable sampling interval from 1 second up to 24 hours — flexible for rapid logging or slower interval monitoring.
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Built-in LCD display showing current temperature & humidity, plus Min/Max values and alarm status.
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User-programmable alarm thresholds for both RH and temperature — the unit alerts when readings exceed preset limits.
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USB interface for easy setup and data download to a PC — simplifies data transfer and analysis.
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Wide measurement ranges:
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Temperature: approx. –40 °C to +70 °C (–40 °F to +158 °F)
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Humidity: 0% to 100% RH
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High accuracy: e.g., humidity accuracy around ±3% RH in 40-60% RH range; temperature accuracy down to ±1.0 °C in certain ranges.
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Comes with mounting bracket (with combination lock), 3.6 V Lithium battery included, and companion PC software for further analysis.
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Compact and portable — suitable for monitoring in warehouses, freezers, shipping containers, controlled-environment rooms.
Specifications
| General | |
|---|---|
| Datalogging Interval | 1 second to 24 hours |
| Memory | 16,000 points |
| Relative Humidity | 0 to 100% |
| Relative Humidity Basic Accuracy | ±3% (40 to 60%), ±3.5% (20 to 40 & 60 to 80%), ±5% (0 to 20 & 80 to 100%) |
| Relative Humidity Max Resolution | 0.10% |
| Temperature [Air] | -40 to 158°F (-40 to 70°C) |
| Temperature [Air] Basic Accuracy | ±1.8°F (14 to 104°F), ±3.6°F (all other ranges), ±1.0°C (-10 to 40°C), ±2.0°C (all other ranges) |
| Temperature [Air] Max Resolution | 0.1°F/°C |
| Additional Details | |
|---|---|
| Certifications | CE |
| Dimensions | 3.7 × 1.9 × 1.2" (94.4 × 48.9 × 31.2mm) |
| Power | 1 × 3.6V battery |
| Warranty | 2 years |
| Weight | 3.2oz (90.7g) |
