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MadgeTech VOLT101A Voltage Data Logger

DC Voltage Data Logger

Madgetech DC Voltage Data Logger for Recording up to 30 Volts

Part Number: VOLT101A-2.5V

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  • Measure and Record DC Voltage up to 30 Volts (2.5V, 15V, 30V Nominal Ranges Available)

  • Records up to 1 Million Total Readings (330,000 Readings in Multiple Start/Stop Mode)

  • User Replaceable 3.6 Volt Battery with 10 Year Life @ 15 Minute Sampling Rate (Included)

  • 4 Readings Every Second to 24 Hour User-Selectable Sampling Rate (Configured in Software)

  • Green and Red LED Indicators for Operating Mode and Alarm Thresholds

Requires USB Communications Interface and Software Kit (#IFC200)

Please allow 2-3 weeks for this item to ship.


All Calibration Orders Have a 7 to 10 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified


MadgeTech VOLT101A Voltage Data Logger Specifications

Voltage Models: 2.5 Volts; 15 Volts and 30 Volts
Ranges: ±3 Volts; -8 to 24 Volts; -8 to 32 Volts
Accuracy (Calibrated): ±0.05% FSR @ 25°C
Resolution: 0.1mV (2.5 V); 0.5mV (15 V); 1.0 mV (30 V)
Input Connection: Removable Screw Terminal
Input Impedance: 125 kΩ(Other)
Overload Protection: ± 50 Volts, Indefinately
Analog Conversion Time: 133 ms
Frequency Rejection: 50/60 Hz
Data Storage
Memory Wrap: 1,000,000 Total Readings
Multi Start/Stop Mode: 330,000 Total Readings
Sampling Rate 4/Second to 24 Hours
Start Modes Immediate Start, Delayed Start (up to 18 Months), Multiple Push Button Start/Stop
Multiple Start/Stop
Start/Stop Data Logger Multiple Times w/o Downloading Data to PC
Stop Modes Manual (via Software) or Timed (Specific Date/Time)
Multiple Start/Stop
Mode Activation
Start: Push Hold Button 5 Seconds Until Green LED Flashes
Stop: Push Hold Button 5 Seconds Until Red LED Flashes
Data Format Date/Time Stamp, V, mV, µV, Engineering Units Specified
LED Indicators Green: 10 Sec Rate (Logging); 15 Sec Rate (Delayed Start)
Red: 10 Sec Rate (Low Battery/Full); 1 Sec Rate (Alarm Condition)
Alarms Programmable High and Low Alarms with LED Indicator
Alarm Delay: Alarm Activated (via LED) When User-Specified Time Has Lapsed
Power Source User Replaceable 3.6 Volt Lithium Battery (Included)
Battery Life 10 Years Typical @ 15 Minute Sampling Rate
Dependant Upon Environment and Sampling Rate
Communication Type USB Dongle Connects Data Logger to PC Computer
(Requires #IFC200 USB Interface Package)
Baud Rate 115,200
Housing Enclosure ABS Plastic
Time Accuracy ±1 Minute/Month @ 20°C
Operating Environment Temperature: -40°C to 80°C (-40°F to 176°F)
Humidity: 0 to 95% RH (non-condensing)
OS Compatibility Windows 10, 8, 7, Vista and XP (32-bit and 64-Bit)
Standards Compliance CE
Weight 0.9 oz (24 grams)
Dimensions 1.4" x 2.5" x 0.6" (3.6 cm x 6.4 cm x 1.6 cm)

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