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Preface 

At first, thank you very much for using our product UT-P43&UT-P44 
series high voltage isolating probes. This instruction manual includes 
safety summary, brief introduction, main specifications and operating 
basics etc. Please read the manual carefully prior to use the product. 

 

Warranty 
UNI-T warrants that this product will be free from defects in materials 
and workmanship for a period of one (1) year from the date of shipment. 
If any such product proves defective during this warranty period, UNI-T, 
at its option, either will repair the defective product without charge for 
parts and labor, or will provide a replacement in exchange for the 
defective product. Parts, modules and replacement products used by 
UNI-T for warranty work may be new or reconditioned to like new 
performance. All replaced parts, modules and products become the 
property of UNI-T. 
This warranty shall not apply to any defect, failure or damage caused by 
improper use or improper or inadequate maintenance and care. 

 

THIS WARRANTY IS GIVEN BY UNI-T WITH RESPECT TO THE 
PRODUCT IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR 
IMPLIED. UNI-T AND ITS VENDORS DISCLAIM ANY IMPLIED 
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A 
PARTICULAR PURPOSE. UNI-T AND ITS VENDORS WILL NOT 
BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR 
CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER 
UNI-T OR THE VENDOR HAS ADVANCE NOTICE OF THE 
POSSIBILITY OF SUCH DAMAGES. 

Summary of Contents for UT-P43 Series

Page 1: ...UT P43 UT P44 Series Current Probe Instruction Manual ...

Page 2: ...1 UT P43 UT P44 Series Current Probe Instruction Manual Please read the instruction manual carefully to avoid injury and prevent damage to this product Ver 1 03 2021 5 17 ...

Page 3: ...provide a replacement in exchange for the defective product Parts modules and replacement products used by UNI T for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of UNI T This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care THIS WARRANTY IS...

Page 4: ...Table of contents 1 Safety Summary 4 2 Brief Introduction 5 3 Main Specification 6 4 Unpacking and Preparation for Use 8 5 General View of Product 9 6 General View of Accessories 10 7 Operating Basics 11 ...

Page 5: ...isconnect probes while they are connected to a voltage source Ground the product This product is indirectly grounded through the grounding conductor of the mainframe power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Do not operate without...

Page 6: ...s current probe can be used to do power analysis of high frequency signal with our UT P35 UT P36 Series high voltage isolating probe The delay time of any two probes is less than 1ns UT P43 UT P44 series current probe is small and robust It has very high stability reliability and accuracy It may be used at the following location usually Measure current without connect to circuit Power analysis Swi...

Page 7: ... AC 40A DC peak AC Current transfer ratio 100mV A 50mV A Accuracy 3 Max measurable pulse current 50A Tp 10μs Max voltage on uninsulated wire 400V DC peak AC Noise 1mVrms Linearity 1 Delay time 20ns 1ns AC adapter output DC9V 1000mA AC adapter input AC100 240V 50 60Hz Typical mechanical specification Jaw opening 4 5mm Output cable length About 130cm ...

Page 8: ...y 188 40 24 mm Weight probe only 150g Environment Specification Operating temperature 0 40 Storing temperature 10 45 Operating humidity 85 RH Storing humidity 90 RH Operating altitude 3000m Storing altitude 12000m ...

Page 9: ...ediately Packing list Current probe 1pcs Instruction manual 1pcs AC adapter 1pcs 4 2 Preparation for use Please check the line voltage prior to connect the AC adapter to the electric outlet The line voltage should be coincident the following list If the incorrect line voltage is used it will damage the product and the AC adapter AC adapter input voltage Frequency AC100V 240V 50 60Hz Warning Use on...

Page 10: ...9 5 General View of Product ...

Page 11: ...10 6 General View of Accessories The product include an accessories An AC adapter ...

Page 12: ...terminal or the oscilloscope Set the input channel to the highest sensitivity and set a zero reference point With the probe jaw empty push the slide on the probe until it locks completely Press the DEGAUSS button Adjust the BALANCE thumbwheel until the displayed signal is zero c Slide the lid of probe jaw and open the probe jaw then put the measured wire into the probe jaw and close the probe jaw ...

Page 13: ...tivity of your current probe by winding several turns of the wire under test around the probe as shown in Figure 7 2 7 3 Troubleshooting The Power LED does not remain lit Check that the AC adapter is plugged in and functional The measured waveform can t be displayed right and stability Check that the probe jaw and keep it closed completely Check the probe connection to the oscilloscope Change a di...

Page 14: ...13 ...

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