Data logger designed for the use in the Food & Beverage industry

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Pasteurisation Logger DST milli-PU

Temperature pressure PU logger

Overview

Key features

  • Small PU (Pasteurisation Unit) monitor measuring temperature and pressure inside beverages / containers
  • Ideal for use during tunnel pasteurisation for quality control of beverages
  • Practical - can be fitted inside bottles and cans, no external device to influence temp. measurements
  • Available with a special bracket for keeping the logger in an optimum position inside the container
  • Standard ranges 0-70°C and 0.06-10 bar

Description

Pasteurisation data logger DST milli-PU can be fitted inside cans and bottles, for measuring temperature and pressure (optional) during tunnel pasteurization or for other container research of beverages or canned food. Data is downloaded into a PC computer using the Foodstar software, where PU pasteurization values are shown.

The logger is specially designed for use in the food and beverage industry for quality and process control, in particular during tunnel pasteurization, product development, packaging and logistics.

The DST milli-PU is a small sized data logger that fits well inside closed bottles, cans and other containers. It measures and records temperature and pressure (optional). Recorded data is stored in the logger‘s internal memory with a time stamp for each measurement.

The DST milli-PU is supported by the application software FoodStar. In addition to temperature and pressure the software also calculates the accumulated Pasteurisation Unit (PU) value and CO2 value over the measuring period (commonly used in the beverage and food industry).  The Communication Box serves as an interface between the logger and a PC. Communication between the logger and the Communication Box is wireless.

In FoodStar, the user sets the start time, start date and sampling interval before starting the recorder. The fastest possible interval that can be programmed is 1 second.

After recovering the DST recorded data is downloaded into the FoodStar software where the results are displayed both in graphic and tabular form. After retrieving the data, the DST can be re-programmed and reused as long as the battery lasts. A set of Communication Box and FoodStar software needs to be purchased with the first order.

Star-Oddi offers a special plastic bracket accessorie called the “Spider Cap” that keeps the logger in a centered position inside a bottle or a can. For tunnel pasteurisation Star-Oddi offers a Bottle/Can Tray for easily spotting the bottle/can being studied. For more information about accessories please click here.

Examples of Application

DST milli-PU is used for various studies within the food and beverage industry, e.g.:

  • Recording temperature and optionally pressure inside bottles and cans
  • Monitoring pasteurisation units (PU) during tunnel pasteurisation
  • Quality control of canned food and beverages
  • Research on containers for the food and beverage industry

    Read more at the Beverage & Food Industry site.

Technical Specifications

SensorsTemperature and pressure
Size (diameter x length)Logger: 14 mm x 39.4 mm
Spider cap (optional): 17 mm x 70 mm
Housing materialAlumina (Ceramic)
Weight (in air/in water)in air: 9.2g
in water: 5g
Memory typeNon-volatile EEPROM
Memory capacity87,000 measurements
Memory capacity bytes130,749 bytes / temperature 1.5 bytes, pressure 1.5 bytes
Memory management- Custom programming
- Primary and secondary parameters
Temperature resolution0.032°C (0.058°F)
Temperature accuracy +/-0.2°C
Temperature range0 to +70°C (30°F to 158°F)***
Temperature response timeTime constant (63%) reached in 12 sec.
ClockReal time clock
Accuracy +/-1 min/month
Sampling intervalIn second(s), minute(s), or hour(s)
CommunicationsCommunication Box, RS-232C 9 pin serial or USB
Attachment hole (diameter) 0.9 mm at spherical end
Pressure range 0.06 - 10 bar
Pressure resolution0.0003 bar (for 10 bar pressure range)
Pressure accuracy +/-0.045 bar (for a 10 bar pressure range)
Pressure response timeImmediate
Battery life18 months*
* For sampling interval of 10 minutes, temperature and pressure recorded simultaneously.
** Divided between the two parameters.
*** Other ranges available upon request.
Specifications may change without notice.

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