Fault finder for HR pumps

Fault diagnostic device for PWM motors in HR pumps. Can measure and generate pulse and 0-10 Volt signals. Provides information on volume flow and motor status.

Now easily determine where the fault is: in the PWM motor or in the control unit? This test instrument is designed for simultaneous testing and measurement on a bidirectional pump.

Motor with Pulse Width Modulation testing

The PWM test instrument has a graphic display and intuitive operation with 6 keys.
Handy test device, complete with batteries and accompanying test leads. Robustly constructed, suitable for daily use by the professional.

PWM stands for Pulse Width Modulation. Modern high-efficiency pumps and fans work with this technology because it saves a lot of energy.

Want to know more about PWM? See this webpage for basic concepts of PWM technology. For announcement Sun & Wind Energy. Click for Technical Datasheet from Resol.

HE-Check - specifications PWM tester

•   Fabrication: Resol
•   Input: PWM/ 0...10 V
•   Output: PWM/ 0...10 V
•   Measuring range: 0...15 V
•   PWM frequency: 290...2000 Hz
•   Requires: 3 AAA batteries
•   Dimensions: 120 x 65 x 27 mm
•   Housing: plastic
•   Safety class: IP54
•   Operating range: 0...40 °C
•   Manual: English, German

Delivery includes batteries and various test leads.

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Fault finder for HR pumps

Motor with Pulse Width Modulation testing

HE-Check - specifications PWM tester

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