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Multi Loggers YL-M61

  YL-M61 Lux Log
Sensor type 1 x luminance
Internal temperature range / resolution NA
External temperature range / resolution NA
Temperature operating range with
CR2477N battery ****
-30 to +70°C by default *
Temperature operating range with
CR2450HT battery
-40...+90°C
Humidity sensor (internal & external) range/resolution NA
Condensation sensor bedewed / dry
Cable NA
Accuracy NA
Meauring pulses (potential-free) / range/ resolution NA
Voltage pulses / range/ resolution NA
Signal input NA
Mesuring range Light/relative humidity/temperature 0 to 40 000 Lux / 0 to 100%RH / -30 to +70°C
Dimensions   d x h (mm) 50/33
Memory capacity/optional 100,000 readings/ 4 million readings
Interval 1sec to 24h
Enclosure Robust, shock-proof POM, protection class IP65
Standard lithium battery life NA
Included in delivery Data logger, 1 battery, YoyoView Software, USB cable, connection cable YY-CS(max.5V), manual, declaration of conformity
Optional YY-CP connection cable (2 m for pulses with voltages from 5 to 24V YoyoView Plus Software, calibration certificate

* Using the logger within the extended operating range requires the use of the CR2450HT battery.
** Higher levels up to 24 V require the YY-CP cable.
*** Higher levels require up to 24 V DKC-P cable.
**** PVC cable type V can be used from -20 to +80°C, Teflon cable type G can be used from -70 to +250°C. The humidity probe YS-RHT120 may be used only between -40 to +120°C.

Strain gauges measurements as bridge circuits (for full bridges 60...700Ohm)
Range mV ± 5 ± 10 ± 20 ± 50 ± 100
Resolution µV * 0.15 0.3 0.6 0.8 1.5
Input impendance Mohm 2.5 2.5 2.5 2.5 2.5

* Strain gauge measurements allow a sample rate of up to 32 Hz in fast mode. The maximum resolution is ten times of the above value.

Strain gauges measurements as bridge circuits (for full bridges 60...700Ohm)
Range mV ± 5 ± 10 ± 20 ± 50 ± 100 ± 1000
Resolution µV * 0.15 0.3 0.6 0.8 1.5 15
Input impendance Mohm 1 1 1 1 1 1

* High impedance mode allows for a maximum sample rate of 1 Hz.

Input ranges
Range mV 0 to 10 0 to 20 0 to 50 0 to 100 0 to 1V 0 to 2.5V 0 to 5V 0 to 10V
Resolution µV * 0.58 0.58 0.76 1.54 15.4 38.9 76.9 154
Input impendance Mohm 2.5 2.5 2.5 2.5 2.5 2.5 0.1 0.1

* input ranges can be measured at 32 Hz. At 32 Hz the maximum resolution is ten times of the above value.

Input ranges
Range mV 0 to 1V 0 to 2.5V 0 to 5V 0 to 10V 0 to 24mA
Resolution µV * 15.4 38.9 76.9 154 0.36µA
Input impendance Mohm 0.1 0.1 0.1 0.1 10 Ohmshunt

* input ranges can be measured at 32 Hz. At 32 Hz the maximum resolution is ten times of the above value.
Note: A YY - CU cable with integrated potential divider is required in order to connect voltage signals. Current signals require the YY-CI cable.

Voltage and current
Range mV 0 to 10 0 to 20 0 to 50 0 to 100 0 to 1V 0 to 2.5V 0 to 5V 0 to 10V
Resolution µV * 0.58 0.58 0.76 1.54 15.4 38.9 76.9 154
Input impendance Mohm 2.5 2.5 2.5 2.5 2.5 0.1 0.1  
Voltage range/resolution 0 to 24mA / 0.36µA
Accuracy 0.1% of range
Signal input Lower signals (max 1V) can be processed with the standard cable YY-CP. Higher voltage levels require the connection
cable YY-CP.
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