2YL-M62-4M Multi channel Lux Data Logger (Luminosity, Temp. + Rel. Humidity)


Grant Instruments


Multi channel logger for luminance measurement with integrated temperature and humidity sensors.
4 Million readings. Measuring range -40 to +90ºC. IP65 rated.
Supplied with YoyoLog View software, USB lead and long life battery.

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Environment of Use Indoor/Outdoor
Type of Logger Miniature
Number of Channels 3 channels
ADC Bits 20 bit
With Display State LED's
IP Classification IP65
Battery Life 4 years
Memory Capacity 4 million readings

• Rugged IP65 housing
• Status LED: - Indicates Alarm - Low Battery Warning
• 2YL-M62-4M: Intergrated Lux, Temperature and Humidity sensors

Software YoyoView (YY-100)

The basic software (YY-100), included with the logger, is suitable for configuring the logger, downloading basic data and exporting data. The yoyo logger can be connected to laptop or PC via a USB port.

It is also available for download here:

Dimensions (d x h) 50 x 30mm
Ambient temperature range -40 to +90ºC
Measuring range 0 to 40000 Lux, -30 to +70ºC
Accuracy Human Eye Sensitive Lux
Internal sensor resolution 1 lux
Memory capacity (readings) 4 million
Active start
Sensor type

Single Channel for Luminocity. Integrated 1 x
Temperature, 1 x RH

Humidity Sensor
(Internal and External)

0 to 100% RH/0..1% RH


1 second to 24 hours
IP rating 65
Battery type LITH-12

Battery life (Logging Speed)
1 minute

4 years
10 seconds 230 days
1 second 25 days
Robust, shock proof

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