• Supports J, K, N, T, R, or S type thermocouples
  • Stores up to 4 Million Measurements
  • Stores Average Voltage 1 per Second
  • Simple 1 Button Operation
  • LED Status Indicator
  • Powered by 2 AA Batteries
  • USB Interface
  • Software Included



The Simple Logger® Model SL50 is a small one-channel data logger powered by two AA alkaline batteries. It can also be powered by 5V using the USB interface cable supplied. The input is configured to measure temperature from thermocouples. Types J, K, N, T, E, R, and S are supported. Inputs are facilitated by two screw terminals. The sample rate is 16/sec with a storage rate of once per second of the RMS of all the samples. Application software is included with the unit by plugging it into your computer using the USB cable and downloading it from AEMC’s website. Scaling units of measure and recording length can be set through the software. Real-time graphs can be displayed, downloaded data can be analyzed, and reports printed.

The main advantage of the logger is its ability to begin recording with only the need to configure the length of time for the recording. A simple one-button operation is all you need. The front panel LED alerts the operator of the logger’s status.

SL50 Features:

  • Simple 1 button operation
  • Quick 2-wire input connection
  • User-configurable scaling, units of measure, and recording length
  • Stores up to 4 million measurements
  • Data analysis software included
  • Software provides real-time trend graph display, data download, analysis, and report generation
  • Micro-B USB cable included

View the rest of the SL Series here.


Channels One
Input Screw Connector
Connection °F °C
Measurement Range: (Thermocouple Dependent) J: -346 to +2192 J: -210 to +1200
K: -328 to +2502 K: -200 to +1372
T: -328 to +752 T: -200 to +400
N: -328 to +2372 N: -200 to +1300
E: -328 to +1832 E: -200 to +1000
R: -32 to +3200 R: -0 to +1760
S: -32 to +3200 S: -0 to +1760
Accuracy (J, K, N, T, E) θ = -148°F/-100°C · ± (0.4% of R + 9°F/5°C)
-148°F/-100°C < ? =+212°F/+100°C · ± (0.3% of R +7.2°F/4°C)
≥ +212°F/+100°C · ± (0.2% of R + 5.4°F/3°C)
Accuracy (R, S) θ = 32°F/0°C to +212°F/+100°C · ± (0.3% of R + 18°F/10°C)
θ = +212°F/+100°C · ± (0.2% of R + 14°F/8°C)
Resolution θ < 1000°F or °C · 0.1°F or °C
θ > 1000°F or °C · 1°F or °C
Sample Rate 16 samples/second
Storage Rate 2 second
Storage Modes Start/Stop
Recording Length ≥ 43 days
Memory 2 million measurements (8Mb). Recorded data is stored in non-volatile memory and will be retained even if battery is low or removed
Communication USB 2.0 (Simple Logger software free to download from website)
Power Source 2 x 1.5V AA (LR6) alkaline batteries or USB 5VDC
Battery Life 43 days with new batteries when recording
Low Battery Battery voltage display in software (Batteries need replacement when the LED is dim or does not blink)
Dimensions 3.6 x 1.44 x 1.32″ (91.44 x 36.58 x 34.8mm)
Weight 3.5oz (99g)
Case Polycarbonate
Operating Temperature 14° to 122°F (-10° to 50°C)
Storage Temperature -4° to 140°F (-20° to 60°C)
Relative Humidity Up to 85% @ 95°F (35°C)
Ingress Protection (IP) IP40
EMC EN 61326-1
Safety Compliance IEC 61010-1


The Simple Logger Control Panel allows you to configure how data measured by these instruments are recorded and displayed. The available settings depend on which model is connected to the computer. The following table shows which configuration options are available for each model.



SL Series User Manual (PDF)


SL Series Control Panel Software (ZIP file)

  • Click the link to download
  • Extract SimpleLogger.exe from the downloaded file. The file can be placed in any directory; we recommend your Desktop for ease-of-use
  • To open the SL Control Panel, click the SimpleLogger.exe. The software includes a Help system explaining all program features


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