The Simple Logger® II Model L481 is a single channel bipolar DC voltage recording device powered by alkaline batteries. It is capable of measuring voltages from – 850 to + 850VDC. The choice of data storage modes and storage rates allow the operator to configure the logger to optimize memory usage to the application at hand.
Extended Recording Mode XRM® and delayed start time are just two of the many application friendly features in this logger. Internal memory allows storing over 240,000 measurements. User programmable scale and engineering units are available. DataView® software is included, providing instrument configuration and real-time viewing of measurement data.
Specifications |
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Simple Logger II Model L481 |
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Features | Parameters |
Channels | One |
Input | 4mm safety banana jacks |
Ranges (2) | -850 to +850VDC |
Accuracy (50/60Hz) | 5 to 50V: ±(0.5% Rdg +1V)
50 to 850V: (0.5% Rdg +0.5V) |
Resolution | 0.1V |
Maximum Input Voltage | ±1020VDC |
Input Impedance | 40MΩ |
Sample Rate | Maximum 8 per second |
Storage Rate | Programmable from 125ms to 1 per day |
Storage Modes | Start/Stop, FIFO, extended mode (XRM) and Alarm |
Recording Length | 15 minutes to 6 weeks, programmable using DataView |
Memory | 240,000 measurements (512KB). Recorded data is stored in non-volatile memory and will be retained even if battery is low or removed. |
Communication | USB 2.0 optically isolated |
Power Source | 2x1.5V AA (LR6) alkaline batteries |
Battery Life | 100 hours to >45 days (depending of sample rate/recording length) |
Dimensions | 4.94 x 2.75 x 1.28”
(125 x 70 x 32mm)
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Weight (With Battery) | 6.4 oz (180g) |
Case | Polycarbonate |
Operating Temperature | 14° to 122°F
(-10° to 50°C)
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Storage Temperature | -4° to 140°F
(-20° to 60°C)
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Relative Humidity | Up to 85% @ 95°F (35°C) |
Ingress Protection (IP) | IP40 |
EMC | EN 61326-1 |
Safety Compliance | IEC 61010-1,
EN 61010-2-32 600V CAT III Pollution Degree 2
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Specifications |
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Simple Logger II Model L481 |
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Model | Cat. No | Description |
L481 | 2126.25 | Simple Logger® II Model L481 |