| Model | Cat. # | Description | List Price | Quantity/Status | Distributor Stock Check | 
|---|---|---|---|---|---|
| SL20 | 2156.20 | Simple Logger® Model SL 20 (Current, 4 to 20mADC) | $199.00 | Consult Factory for Availability | 
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| Channels | One | 
| Input | Screw connector | 
| Range | (-20 to +20) mADC | 
| Accuracy (50/60Hz) | ±(0.5 % R +0.1 mA) with filter set to 10 | 
| Resolution | 0.02 mA | 
| Maximum Input Current | 25 mA | 
| Input Impedance | 49.9 Ω | 
| Sample Rate | 16 samples/second | 
| Storage Rate | 1 second | 
| Storage Modes | Start/Stop | 
| Recording Length | ≥ 43 days | 
| Memory | 4 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 | (2) 1.5 V AA (LR6) alkaline batteries or USB 5VDC When powered by USB, the battery is automatically disconnected.  | 
		
| 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) in (91.44 x 36.58 x 34.8) mm | 
| Weight (with battery) | 3.5 oz (99 g) | 
| 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![]()  | 
		






 














