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Voltage Logger for Analog Data Recording | Monitoring Transducer Outputs & Process Signals

This voltage logger measures and records analog voltage from 0 to 38.4V DC in 32 selectable ranges. It is ideal for monitoring transducer outputs, process control signals, speed recording, vibration monitoring, and laboratory data. The logger converts analog signals to digital values using a 2.5V reference and can be connected easily with TrendReader software for data processing. With high input impedance, it is compatible with various transducers and offers accuracy of ±1% full scale. Achieve precise data logging with this versatile device.

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Voltage Logger for Analog Data Recording | Monitoring Transducer Outputs & Process Signals

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  1. OWL 400

  2. Description This voltage logger can measure and record analog voltage from: to: in: 120 mV DC 38.4 V DC 32 user selectable ranges

  3. Applications • Monitoring transducer outputs • Checking process control signal • Recording speed • Vibration monitoring • Providing laboratory data

  4. How it Works • The logger converts the analog signal to a digital value using a 2.5 V reference • The digital values are processed into voltage units by an equation in TrendReader Software

  5. Available Ranges Some of the possible 32 ranges that can be selected

  6. Connection • Connect the wires as shown • Set the proper range in the OWL using the TrendReader Software • Start logging

  7. Specification • Range • Max Voltage • Input Impedance • Cable 0 to 38.4 (32 ranges) ±40 VDC > 100 K 2 m (6ft) with PVC jacket to IP67 connector IP67

  8. Selecting Transducers • The OWL is compatible with most of the transducers since it has: • Input range selection • High input impedance (> 100 K)

  9. Three Wire Transducer Vin Common SIGNAL Three connections

  10. Four Wire Transducers • Line Type The isolated supply appears as a line operated or isolated common that has no electrical connection to the output

  11. Four Wire Transducers • Wheatstone Bridge Type The bridge transducer provides a differentialoutput (+/-) usually in millivolt range

  12. Accuracy and Resolution Accuracy ±1 % Full Scale Resolution ± 1 part in 256

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