Key lock function

TEMPERATURE SETTING

This unit is provided with the key lock function. When the key lock is ON, change of temperature setting through the key pad is not available. The key lock is set in OFF at the factory.

Display	Mode	Function
	Key lock is OFF	Enable to change of temperature setting
	Key lock is ON	Disable to change of temperature setting

Table 2. Procedure for key lock setting (change from key lock OFF to key lock ON)

Description of operation	Key operated
1	----

2 Press key for 5 seconds.

4	Press key and scroll the figure
4	to 1.
	to 1.
5	Press SET key.	SET

Indication after operation

The current chamber temperature is displayed.

The right digit is flashed.

When pressed, the figure of settable digit increases.

The key lock is set to ON.

The current chamber temperature is displayed.

Note:

The key lock only works with the chamber temperature setting and the DEF key. (In the MDF-U537D, the key lock function for both the top and bottom compartments together.)

To release the key lock, select L0 when performing the key lock mode operation described above. (In the MDF-U537D, the key lock can be released in either the top compartment mode or the bottom compartment mode.)

MDF-U333, MDF-U537 specifications

Sanyo's MDF-U537 and MDF-U333 are high-performance laboratory freezers designed for the secure storage of sensitive biological samples, medical supplies, and other critical materials. These models are renowned for their reliability, energy efficiency, and advanced technologies.

The Sanyo MDF-U537 offers a temperature range of -20°C to -86°C, making it versatile for various applications, including long-term storage of vaccines, enzymes, and other temperature-sensitive materials. With a capacity of 528 liters, it is spacious enough to accommodate numerous samples while maintaining organized storage. This model features a dual-layer door system that ensures minimal temperature fluctuations when accessing stored items.

One of the standout features of the MDF-U537 is its advanced microprocessor control system, which provides precise temperature management. This system is complemented by a digital display that allows for easy monitoring of internal conditions. Additionally, the freezer is equipped with an alarm system that notifies users of any temperature deviations or door openings, ensuring the integrity of the stored samples.

On the other hand, the Sanyo MDF-U333 is a more compact model, boasting a capacity of 330 liters, which makes it suitable for smaller labs with limited space. The MDF-U333 also maintains a temperature range of -20°C to -86°C, ensuring optimal storage conditions for a variety of biomedical applications.

Both models incorporate eco-friendly refrigerants, aligning with modern sustainability standards while maintaining energy efficiency. The insulation used in both the MDF-U537 and MDF-U333 is designed for superior thermal performance, minimizing energy consumption and operational costs.

Moreover, these freezers come equipped with a comprehensive monitoring system that includes temperature logging features, allowing users to maintain compliance with industry regulations. The robust build quality ensures durability, making them reliable choices for long-term, continuous use in demanding laboratory environments.

In summary, the Sanyo MDF-U537 and MDF-U333 are exceptional laboratory freezers characterized by their energy-efficient design, extensive storage capacities, and advanced temperature management technologies. These models represent the forefront of reliable sample preservation in the biotechnology and medical research fields, offering peace of mind for researchers and laboratory personnel.