Stalwart

STF-728E

-86°C EcoTouch ULT freezer

-86℃ EcoTouch ULT freezer is designed with 7” touch screen for easy observation and operation. It is built by two compressors' cascade refrigerant system which ensure the valuable bio samples in reliable and safety storage temperature. It is also energy saving by using hydrocarbon refrigerant. Interior is made of #304 stainless steel for easy cleaning and durable use. The EcoTouch ULT freezer optimizes sample storage capacity within a small footprint. There are 4 models with different capacities for users optional.

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Features
Specifications
Application
Literature
User Manual

Features

A Smart Freezer

7” touch screen, easy observation & convenient operation
Historical temperature curve and alarm records on screen
Self-diagnostic, automatic check & alarm for key components
Standard USB port, download data conveniently

A Green Freezer

Non greenhouse gas is used, an environmental friendly freezer.
Hydrocarbon two compressor cascade cooling system for super low power consumption.

A User-Friendly Freezer

SUS304 interior with round corner for easy cleaning & rust free
Document pocket to put paper, create a stylish lab
Maximum sample storage capacity with an optimum footprint
Special noise reduction design, a real quiet lab partner
Optional electric lock for safety and convenient administration

Specifications

	Model	STF-728E
Technical Data	Type	Upright
	Capacity (L/cu ft)	728\25.70
	Inner doors	2 pcs, SUS304 forming door
	Shelves	3 pcs, SUS304
	Inner chamber material	SUS304
	Cooling type	Direct cooling
	Refrigerant	Hydrocarbon, CFC Free, Non greehouse
	Noise level (dB)	52
Temperature	Ambient temperature(ºC)	10~32ºC
Temperature	Temperature range (ºC)	-40~-86ºC
Cooling & Controller	Cooling	Two compressors
	System	cascade system
	Compressor Brand	SECOP
	Sensor	PT100
	Controller	Microprocessor
	Display & Control	7" Touch Screen
Electronic parameter	Voltage/Frequency	220~240V 50/60Hz 110V 60Hz
	Power (W)	935
	Power Consumption (kWh/24h)	13.28
Vials load	2ml Vials (pcs)	50000
Size & Weight	Internal (WDH) mm	963×558×1350
	External (WDH) mm	1260×890×2010
	Packing (WDH) mm	1320×975×2185
	Net/Gross weight (kg)	320/350
Alarm System	High/low temperature	√
	Power off failure	√
	Abnormal voltage	√
	Sensor error	√
	Filter screen check	√
	Controller failure	√
	Low battery	√
	Condenser malfunction	√
	High ambient temperature	√
	Door ajar	√
Accessories	Caster	4
	Test hole/Diameter	1/25mm
	Remote alarm contact	√
	USB Port	Y
	RS232/485 port	Optional
	Temperature recorder	Optional
	Freezer racks	Optional
	CO2 backup system	Optional
	LN2 backup system	Optional

Application

The -86℃ ULT freezer is specially designed for a stable ultra low temperature storage condition, to store germs, erythrocytes, leucocytes, viruses and many other biological materials. Installations can be found in research institutes, pharmacy industry, clinical labs, blood banks and laboratories in electronic & chemical plants.

Literature

STF-728E Brochure

User Manual

STF-728E User Manual

Features
Specifications
Application
Literature
User Manual