Simple Logger® Model SL50

The Simple Logger® Model SL50 is a small one channel recording device 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. Sample rate is 16/sec with a storage rate of once every two seconds of the average of all (32) the samples. Application software is included with the unit by plugging it into your computer using the USB cable and downloading it from our web site. 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.

NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
Model Cat. # Description List Price Quantity/Status Distributor Stock Check
SL50 2156.50 Simple Logger® Model SL50 (Temperature, Thermocouple) $115.00
Cat. #2156.50
DescriptionSimple Logger® Model SL50 (Temperature, Thermocouple)
List Price$115.00
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 < θ ≤+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-volitile memory and will be retained even if battery is low or removed.
Communication USB 2.0 (Simple Logger software free to download from web site)
Power Source 2x1.5V 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 (with battery) 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

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