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Grant Instruments Yoyo 2YL-T10-4M and 2YL-T10E-4M

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The simple to use 2YL-T10-4M and 2YL-T10E-4M Yoyo data loggers from Grant Instruments are designed to measure temperature with a 4 million readings standard memory.

The 2YL-T10-4M has a single integrated temperature sensor, 4 million readings, measuring - 40 to + 90 ºC and IP68 rated housing.

The 2YL-T10E-4M has a single external temperature sensor, 100 mm long probe, 4 million readings, measuring range - 40 to + 90 ºC and IP68 rated housing.

Both models supplied with YoyoLog View software, USB lead and long life battery.

Product Features

  • 2 model types
  • Range of accessories
  • Document downloads

Instrument product options

1. Select a model (2 available)

Continue to select accessories

2. Select accessories

3. Select a calibration



Standard delivery includes: 1 data logger, 1 standard battery, software YoyoView, USB cable, manual, and manufacturers declaration of conformity

Grant Instruments offers a range of Yoyo data loggers including versions for temperature, humidity, condensation, extra-low voltage, strain gauge, voltage, current, pulse, barometric pressure, as well as light and solar radiation. Please contact our sales team on 01344 459314 or sales@bis.fm if the version you require is not listed within the website.

Basic YoyoView software

The basic software, included with the logger is suitable for configuring the data logger, downloading and exporting basic data. All loggers are connected to a PC or laptop via a USB cable.

YoyoView Plus software

In addition to the functionalities of the basic software, the optional upgrade offers more complex analyses of data, charts and statistics.

  • Three scaleable Y-axes
  • Zoom function
  • Cursor readings
  • Display in spreadsheet format
  • Combination of a series of measurements in one chart
  • On-line metering
  • Statistical functions


Type 2YL-T10-4M integral temperature sensor

Dimensions d x h      50 mm x 30 mm

Ambient temperature range       - 40 to + 90 °C

Measuring temperature range      - 40 to + 90 °C

Accuracy      ± 0.1 °C at 25 °C

Internal temperature sensor resolution      0.01 K

Memory capacity      4 million readings

Sensor type      1 x temperature

Logging interval      1 second to 24 hours

Enclosure rating     IP68

Battery type      LITH-12

Battery life (logging speed)      4 years @ 1 min. / 230 days @ 10 sec. / 25 days @ 1 sec.


Type 2YL-T10E-4M integral temperature sensor, as above with additonal

Dimensions d x h      50 mm x 130 mm

Sensor type      1 x temperature 100 mm extension tube



Grant Yoyo logger data sheet

  • Technical Document
  • PDF file
  • 1 MB

Grant Yoyo logger user manual

  • Technical Document
  • PDF file
  • 1 MB

Grant YoyoGraph software user manual

  • Technical Document
  • PDF file
  • 1 MB
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