Multi loggers 2YL-M36-4M 2YL-M37-4M 2YL-M61-4M 2YL-M62-4M 2YL-M90-4M 2YL-M90E-4M 2YL-M91-4M
YL-M62 (No Background)


2YL-M62-4M Lux Logger

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.

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

Download Brochure 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

Supplied with YoyoLog View software, USB lead and long life battery.

Specs YY internal 20_23_25_61_90.jpg

Specs YY external T 20_23_25_61_90.jpg

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Wall Holder Enables you to securely install the logger onto walls. Complete with tamper-evident lead seal.

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Lead seal kit For Temperatue and Humidity LoggersContains 50 pieces of wire and 50 numbered lead tamper-evident seals for single use. These are manually closed around the wire and can only be released by cutting.


YoyoView Software In addition to the functionalities of the included basic software, the optional upgrade allows more complex analysis of data, creation of charts and calculation of data statistics.
» Three scaleable Y-axes
» Zoom function
» Cursor readings
» Display in spreadsheet format
» Combination of a series of measurements in one chart
» Definition of thresholds
» Y/T-charts (values over time)
» Statistics (min, max, and average values)
» Online metering (display actual values)