LyoTemp Data Logger

Designed with a hermetically sealed thermistor temperature sensing element, password protection and real time recording

$539.00 CAD
Normally ships in 2-3 Weeks

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The LyoTemp Data Logger is designed for use in ultra-low operating temperatures for processes such as Lyophilization. The LyoTemp has an operating range of -60°C - 75°C (-76°F - 167°F), and is designed with a hermetically sealed thermistor temperature sensing element in a long thin flexible cable form, making it ideal for monitoring products during the lyophilization process.The LyoTemp data logger offers a smart, affordable solution for a wide range of applications including the preparation of biological pharmaceuticals, monitoring plasma and red cell freezers.

The compact size and simple operation make the LyoTemp user friendly and reliable. The LyoTemp has three LED indicators to alert or inform the user of the logging status and manual start and stop options available at the device. Other features of the LyoTemp include delayed start configuration, real-time recording, user configurable alarms and password protection.

Important Service Notice: To ensure optimum product performance and user safety, the LyoTemp data logger can not be serviced for calibration or battery replacement. As an alternative MadgeTech offers a product exchange program, please call for details

• Ultra low operating temperature
• Hermetically sealed thermistor
• LED status indicators
• Manual start and stop options
• Configurable alarms
• Password protection
• Real time recording



NTC Thermistor

Measurement Range

-60°C - 75°C (-76°F - 167°F)


0.1°C (0.18°F)

Calibrated Accuracy

± 0.5°C



32,767 readings; software configurable memory wrap

Reading Rate

1 reading every 5 s  up to 1 reading every 30 min

Temperature Alarm

Software programmable high and low alarm limits, high and low warn limits each set point may be individuals enabled or disabled

Alarm Delay


Software programmable time delay for warn/alarm limits.  Logger will not indicate out of range status until the temperature has been out of range for a set period of time

LED Status Indicators




Green: Blinks to indicate safe conditions during logging


Yellow: Blinks to indicate warn limits have been exceeded


Red: Blinks to indicate alarm criteria (limits/delays) have been exceeded

Password Protection

An optional password may be programmed into the device to restrict access to configuration options.  Data may be read out without the password


Digital calibration through software

Calibration Date

Automatically recorded within device

Start Modes

Software programmable immediate start, delay start up to 30 days in advance or manual start with magnetic switch

Data Format

Date and time stamped °C, °F, K, °R

Battery Type

3.6 V lithium battery (LTC-7PN)

Battery Life

1 year typical at a 10 min reading rate

Time Accuracy

± 5 min/month at -80°C (-112°F)

Computer Interface

USB docking station to PC (IFC300); 38,400 baud

Operating System Compatibility

XP SP3/Vista/Windows 7/Windows 8

MadgeTech Software Compatibility

Standard Software Version: or later

Secure Software Version: or later



ABS plastic, white, polycarbonate labeling


1.4 oz (40 g)



3.25 in x 2.10 in x 0.41 in (82.5 mm x 53.3 mm x 10.3 mm)

Probe Length

48 in (1219 mm)

Ingress Protection (IP Rating)


Operating Environment

-60°C - 75°C (-75°F - 167°F), 0% RH - 100% RH

0.002 PSIA - 100 PSIA

Product Maintenance

The LyoTemp exchange program provides the user with a new replacement device at a reduced cost when battery is depleted or device is in need of factory calibration.  Call for details.


CE compliant

• Monitoring lyophyilization
• Dry ice shipments
• Plasma and red cell freezers

IFC300 Data Logger Interface
Interface cable package for the LyoTemp, TransiTempII and Cryo-Temp data loggers
Normally ships in 1-2 Weeks
$96.60 CAD
WM-300 Wall Mounting Station
Wall-mounting station built for use with the Cryo-Temp, LyoTemp, TransiTempII, or the TransiTempII-RH
Normally ships in 1-2 Weeks
$40.50 CAD
MicroDisc Surface Temperature Probe Attachment
Surface temperature probe attachment designed to be used with the MadgeTech HiTemp140-FP and LyoTemp data loggers
Normally ships in 1-2 Weeks
$37.50 CAD
MadgeTech 4 Secure Validation Software Package
IQ/OQ/PQ secure software validation workbook and software package
Normally ships in 1-2 Weeks
$1,890.00 CAD