1. Introduction
The Cole-Parmer Compact HPLC Column Heater is designed to provide precise and uniform temperature control for High-Performance Liquid Chromatography (HPLC) columns. This device ensures optimal chromatographic separation by maintaining stable column temperatures from ambient up to 90 °C. Its compact design allows for easy integration into laboratory setups, accommodating columns 1 inch or 3 inches in diameter and up to 30 cm in length.
2. Safety Information
Please read and understand all safety instructions before operating this device. Failure to follow these instructions may result in injury or damage to the equipment.
- Electrical Safety: Ensure the unit is connected to a grounded power outlet with the correct voltage (90–260 VAC, 50/60 Hz). Do not operate with damaged power cords.
- Temperature: The heating chamber can reach high temperatures. Allow the unit to cool before handling or performing maintenance. Use appropriate personal protective equipment (PPE) if necessary.
- Placement: Place the unit on a stable, level surface, away from flammable materials and sources of moisture. Ensure adequate ventilation around the unit.
- Maintenance: Only qualified personnel should perform maintenance or repairs. Disconnect power before servicing.
3. Setup
Follow these steps to set up your HPLC Column Heater:
- Unpacking: Carefully remove the column heater from its packaging. Inspect for any signs of damage during transit.
- Placement: Position the unit on a stable laboratory bench, ensuring sufficient clearance for air circulation.
- Power Connection: Connect the power cord to the unit's power inlet, then plug it into a suitable grounded electrical outlet (90–260 VAC, 50/60 Hz).
- Column Installation:
- Open the clear polycarbonate cover.
- Carefully place your HPLC column into the heating chamber. The chamber accommodates columns 1 inch or 3 inches in diameter and up to 30 cm long.
- Ensure the column is seated properly and does not obstruct the cover.
- Close the polycarbonate cover securely.
4. Operating Instructions
The column heater features intuitive controls for temperature setting.
- Power On: Turn on the unit using the power switch, typically located on the rear or side of the device.
- Setting Target Temperature:
- The display will show both the current actual temperature and the target temperature.
- Use the UP or DOWN arrow buttons to adjust the target temperature to your desired value (ambient to 90 °C).
- The unit will automatically begin heating or cooling to reach the set target temperature.
- Temperature Stabilization: The TEMP indicator light will illuminate steadily once the target temperature has been reached and is regulated within ±0.2°C. This indicates the system is stable and ready for use.
- Monitoring: Continuously monitor the display for actual and target temperatures during operation.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your column heater.
- Cleaning: Disconnect the power before cleaning. Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure no liquids enter the internal components.
- Chamber Inspection: Periodically inspect the heating chamber and polycarbonate cover for any residue or damage. Clean as necessary.
- Power Cord: Check the power cord for any signs of wear or damage. Replace if necessary.
- Storage: If storing the unit for an extended period, ensure it is clean, dry, and stored in a stable environment.
6. Troubleshooting
Refer to the following table for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on | No power supply; Power cord disconnected or damaged; Unit switch off | Check power connection and outlet; Inspect power cord; Ensure power switch is ON |
| Temperature not reaching target | Polycarbonate cover not closed; Ambient temperature too low; Malfunction | Ensure cover is securely closed; Allow more time for stabilization; Contact technical support |
| TEMP light not stable | Temperature still stabilizing; External drafts affecting chamber | Wait for stabilization; Ensure unit is in a stable environment; Check column seating |
| Alarm sounds | Temperature deviation outside set limits; Sensor error | Check temperature settings and actual temperature; Power cycle the unit; Contact technical support |
If the problem persists after attempting these solutions, please contact Cole-Parmer technical support.
7. Specifications
- Model: AO-42650-70
- Temperature Range: Ambient to 90 °C
- Temperature Accuracy: ±0.2°C
- Type of Temperature Control: PID
- Heater/Cooler Mode: PID temperature control
- Column Compatibility: 1 inch or 3 inches diameter, up to 30 cm length
- Power Requirements: 90–260 VAC, 50/60 Hz
- Alarm: Yes
- Item Weight: 2.13 kg
- Manufacturer: COLE-PARMER
- ASIN: B00PQZOETW
8. Warranty and Support
For warranty information, technical support, or service inquiries, please contact Cole-Parmer directly. Refer to your purchase documentation for specific warranty terms and contact details. When contacting support, please have your model number (AO-42650-70) and serial number ready.
Contact Information: Please visit the official Cole-Parmer website or refer to the contact information provided with your product packaging.