1. Introduction
The Instrukart Elitech RC 4H Pro is a high-performance multi-use data logger designed for precise temperature and humidity monitoring. It is suitable for various applications including laboratories, cold storage, breeding industries, and the transport of sensitive goods like food and pharmaceuticals. This manual provides essential information for the proper setup, operation, and maintenance of your device.
2. Safety Information
- Read all instructions carefully before using the device.
- Do not expose the device to extreme temperatures outside its operating range or to corrosive environments.
- Ensure the battery is installed correctly to prevent damage.
- Keep the device away from water and high humidity unless specifically designed for such conditions.
- Dispose of batteries and the device according to local regulations.
3. Package Contents
Verify that all items are present in the package:
- 1 x Elitech RC 4H Pro Multi-Use Data Logger
- 1 x External Temperature Probe
- 1 x USB Type-C Cable
- 1 x Calibration Certificate
- 1 x Instruction Manual
- Software for data management (typically provided via download or mini-CD)

Image: The Elitech RC 4H Pro data logger shown with its included accessories: USB cable, external temperature probe, and a software mini-CD.
4. Product Overview
The Elitech RC 4H Pro features a clear LCD screen for real-time data display, built-in temperature and humidity sensors, and a port for an external temperature probe. It is designed for ease of use and reliable data logging.

Image: Front view of the Elitech RC 4H Pro data logger displaying a temperature reading on its LCD screen.
4.1 Dimensions
The compact design of the data logger allows for easy placement in various environments.

Image: Diagram showing the dimensions of the Elitech RC 4H Pro data logger: approximately 85mm in length, 45mm in width, and 18mm in thickness.
5. Setup
5.1 Battery Installation
The device requires a button cell battery for operation. Follow these steps to install the battery:
- Locate the battery compartment on the back of the device.
- Use a coin or similar tool to twist and open the battery cover.
- Bend the V-shaped metal piece upwards slightly.
- Insert the button cell battery (e.g., CR2450) under the V-shaped metal piece, ensuring correct polarity.
- Press the button cell downwards and cover the lip at the same time to secure it.
- Close the battery cover by twisting it back into place.

Image: A three-step visual guide demonstrating how to open the battery compartment, insert the button cell battery, and close the compartment on the Elitech RC 4H Pro data logger.
5.2 Connecting External Temperature Probe
For external temperature measurements, connect the provided probe to the designated port on the side of the data logger.

Image: The Elitech RC 4H Pro data logger shown with both its USB cable and external temperature probe connected.
5.3 Software Installation
Before first use, it is recommended to install the Elitech data management software on your computer. This software allows for device configuration, data download, analysis, and report generation. Refer to the software's specific instructions for installation and usage.
6. Operating Instructions
6.1 Starting and Stopping Logging
The device supports flexible start and stop modes. Typically, logging can be initiated by pressing a button on the device or configured via the software for a delayed start. To stop logging, connect the device to a computer or use the designated stop function on the device.
6.2 Data Download and Analysis
Connect the data logger to your computer using the USB Type-C cable. The Elitech software will detect the device, allowing you to download the stored data. The software can generate reports in various formats (e.g., PDF, Excel) for analysis.

Image: An illustration showing the Elitech RC 4H Pro data logger connected to a laptop via USB, demonstrating data collection and export to various file formats like text, PDF, and Excel.
6.3 Alarm Settings
The device features audible buzzer alarms that activate when temperature or humidity readings exceed or fall below predefined limits. These limits can be configured using the Elitech software to suit specific monitoring requirements.
6.4 Unit Switching (°C/°F)
The temperature display unit can be switched between Celsius (°C) and Fahrenheit (°F) directly on the device or through the software settings.
6.5 Password Protection
To secure your logged data, the Elitech software offers password protection. This feature helps prevent unauthorized access to your temperature and humidity records.

Image: An illustration depicting a laptop login screen alongside the data logger, indicating the availability of password protection for securing temperature and humidity data.
7. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace the button cell battery when the low battery indicator appears on the LCD screen. Refer to Section 5.1 for battery installation steps.
- Storage: Store the device in a cool, dry place when not in use for extended periods.
8. Troubleshooting
- Device not powering on: Check battery installation and ensure the battery has sufficient charge.
- No data displayed: Ensure logging has been started. If using an external probe, verify it is securely connected.
- Cannot connect to computer: Ensure the USB cable is properly connected to both the device and the computer. Try a different USB port or cable. Verify that the Elitech software is installed and running.
- Inaccurate readings: Ensure the sensors are clean and not obstructed. Calibrate the device if necessary (refer to software documentation).
9. Specifications
| Feature | Description |
|---|---|
| Measuring Parameters | Temperature (internal & external), Humidity |
| Internal Temperature Range | -30°C to +70°C |
| External Temperature Range | -40°C to +85°C |
| Humidity Range | 0% to 100% RH |
| Data Storage Capacity | Up to 64,000 data points |
| Display | Clear LCD screen |
| Connectivity | USB Type-C |
| Battery | Long-lasting button cell (e.g., CR2450) |
| Alarms | Audible buzzer alarms for out-of-limit conditions |
| Special Features | Delay start, pause/resume logging, loop recording, automatic screen off, password protection |
| Material | Plastic (ABS Plastic) |
| Item Weight | 1 kg (device only) |
| Model Number | RC 4H Pro |
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Instrukart Holdings directly. Contact details are typically available on the product packaging or the official Instrukart website.
Importer/Packer Contact: Instrukart Holdings, Plot 18, Street No: 1A, Czech Colony, Sanath Nagar, Hyderabad, Telangana 500018, Contact: +91 8142350506





