1. Introduction
The Electron Microscopy Sciences Frigimat Cub Dry Ice Maker is a compact device designed for the rapid production of dry ice blocks from a liquid CO2 cylinder. This manual provides essential information for the safe and efficient setup, operation, and maintenance of your Frigimat Cub Dry Ice Maker, Model 0304-N3-PO. Please read this manual thoroughly before using the device.
2. Safety Information
WARNING: Handling dry ice and liquid CO2 requires extreme caution. Failure to follow safety guidelines can result in serious injury or property damage.
- Always wear appropriate personal protective equipment (PPE), including insulated gloves and eye protection, when handling dry ice.
- Ensure adequate ventilation in the work area. CO2 gas is heavier than air and can displace oxygen, leading to asphyxiation in confined spaces.
- Do not touch dry ice with bare skin. It can cause severe frostbite.
- Use only liquid CO2 cylinders equipped with a dip tube. Standard CO2 cylinders will not produce liquid CO2.
- Never store dry ice in an airtight container. The sublimation of dry ice into CO2 gas will build pressure, potentially causing the container to rupture.
- Keep the device away from children and untrained personnel.
- Operate the system at very low pressure as indicated on the built-in dial gauge. Do not exceed recommended operating pressures.
3. Package Contents
Verify that all components are present and undamaged upon unpacking:
- Frigimat Cub Dry Ice Maker unit (transparent polycarbonate body)
- Rugged nickel-plated "pigtail" connector
- Instruction Manual (this document)
4. Setup
- Prepare Work Area: Ensure the work area is well-ventilated and free from obstructions. Have all necessary safety equipment (gloves, eye protection) readily available.
- Connect to CO2 Cylinder:
- Ensure the CO2 cylinder valve is closed.
- Attach the nickel-plated "pigtail" connector to the Frigimat Cub Dry Ice Maker.
- Securely connect the other end of the "pigtail" connector to the liquid CO2 cylinder valve. Ensure all connections are tight to prevent leaks.
- Verify that the CO2 cylinder contains liquid CO2 (indicated by a dip tube).
- Assemble Dry Ice Maker: The transparent polycarbonate body secures without clamps, screws, or tools. Ensure the two halves are properly aligned and sealed.

Figure 1: The Frigimat Cub Dry Ice Maker in operation, showing a user holding a dry ice block and the disassembled unit with its transparent blue body and pressure gauge. This illustrates the ease of use and removal of the dry ice block.
5. Operating Instructions
Follow these steps to produce a block of dry ice:
- Open CO2 Valve: Slowly open the valve on the liquid CO2 cylinder. The pressure gauge on the Frigimat Cub will display the operating pressure. Ensure it remains within safe operating limits.
- Monitor Production: Observe the dry ice formation through the transparent polycarbonate body. Dry ice will begin to form rapidly.
- Close CO2 Valve: Once a solid block of dry ice has formed (typically within a few minutes, producing a 250-300 gram block), close the CO2 cylinder valve.
- Release Pressure: Allow any residual pressure to dissipate from the system.
- Remove Dry Ice: Carefully separate the two halves of the Frigimat Cub Dry Ice Maker. Using insulated gloves, remove the dry ice block.
- Storage: Store the dry ice in a well-ventilated, insulated container. Do not use airtight containers.
6. Maintenance
- Cleaning: After each use, inspect the device for any residue. Clean the polycarbonate body with a damp cloth. Do not use abrasive cleaners or solvents.
- Inspection: Regularly inspect the "pigtail" connector and all seals for signs of wear or damage. Replace any damaged components immediately.
- Storage: Store the Frigimat Cub Dry Ice Maker in a clean, dry place when not in use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No dry ice production or only "snow" forms. |
|
|
| Dry ice block is smaller than expected. |
|
|
8. Specifications
- Model: Frigimat Cub Dry Ice Maker
- Model Number: 0304-N3-PO
- Manufacturer: Electron Microscopy Sciences (EMS)
- Dry Ice Block Size: Approximately 250 – 300 grams
- Production Time: A few minutes
- Connection: Rugged nickel-plated "pigtail" for liquid CO2 cylinder
- Safety Features: Built-in dial gauge for pressure display, multiple pressure relief safeguards.
- First Available: May 2, 2014
9. Warranty and Support
For warranty information, technical support, or replacement parts, please contact Electron Microscopy Sciences directly. Refer to your purchase documentation for specific warranty terms and contact details.
Electron Microscopy Sciences Contact Information: Please visit the official Electron Microscopy Sciences website or refer to the contact information provided with your product packaging.





