OctVolt Data Logger

Stand Alone, Battery Powered, Eight Channel, Low Level DC Voltage Data Logger. Includes NIST traceable calibration certificate.

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The OctVolt DC voltage data logger is a standalone device, featuring eight channels and is battery powered. This portable, all-in-one compact device is easy to use and is capable of measuring and recording up to 16,383 measurement readings per channel.

This device accepts voltage signals from sensors, transducers and many other common voltage sources and features user-programmable Engineering Units and offset/gain calculations so input voltages can be scaled to proper units being measured. For example, a flow rate sensor with a voltage output can be displayed as flow rate in the software graph and data.

The OctVolt makes data retrieval quick and easy. Simply plug it into an empty COM or USB port and the user-friendly software does the rest. Four different voltage ranges are available, 2.5 V, 15 V, 30 V and ±100 mV. The ±100 mV model features differential input capability.

Readings are stored in non-volatile solid state memory, which provides maximum data security. The device can be started and stopped directly from the MadgeTech Software and its small size allows it to fit almost anywhere.



Voltage Range ±100 mVDC, 0 to 2.5 VDC, 0 to 15 VDC and 0 to 30 VDC
Voltage Resolution ±100 mVDC: 5 μVDC
0 to 2.5 VDC: 0.1 mVDC
0 to 15 VDC: 0.5 mVDC
0 to 30 VDC:1.0 mVDC
Voltage Calibrated Accuracy ±100 mVDC and 0 to 2.5 VDC: ±0.01 %FSR at 25 °C (77 °F)
0 to 15 VDC and 0 to 30 VDC: 0 to 2.5 and ±0.10 %FSR at 25 °C (77 °F)


Memory 16,383/channel
Reading Rate 1 reading every second up to 1 reading every 12 hours
Baud Rate 2,400
Channels 8
LED Indicators Red
Battery Life 1 year
Material Anodized aluminum
Dimensions 3.5 in x 4.4 in x 1.5 in (89 mm x 112 mm x 39 mm)
Operating Environment -20 °C to +60 °C (-4 °F to +140 °F), 0 %RH to 95 %RH non-condensing
Required Interface Package IFC110 or IFC200

Range ±100 mVDC 0 to 2.5 VDC 0 to 15 VDC 0 to 30 VDC
Accuracy ±0.01 %FSR at 25 °C (77 °F) ±0.10 %FSR at 25 °C (77 °F)
Resolution 5 μVDC 0.1 mVDC 0.5 mVDC 1.0 mVDC

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