Unit UT-P43 Series Manual de usuario

UT-P43&UT-P44 Series Current Probe

Instruction Manual

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

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.

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

1. Safety Summary

Please Review the following safety precautions to avoid injury and

prevent damage to this product or any products connected to it.

Use proper AC adapter. Use only the AC adapter specified for this

product.

Connect and disconnect properly. Connect the probe output to the

measurement instrument before connecting the probe to the circuit under

test. Disconnect the probe input from the circuit under test before

disconnecting the probe from the measurement instrument.

Do not connect or disconnect 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 covers. Do not operate this product with covers

or panels removed.

Power disconnect. The power cord disconnects the product from the

power source. Do not block the power cord; it must remain accessible to

the user at all times.

Do not operate in an explosive atmosphere.

Do not operate in wet/damp conditions.

2. Brief introduction

UT-P43&UT-P44 series current probe applies Advanced

magneto-electric sensors. It is used to measure the circuit current with an

oscilloscope Using electromagnetic induction and magneto-electric

induction.

UT-P43&UT-P44 series current probe can measure 20A（DC + peak AC）

or 40A（DC + peak AC）current. The frequency bandwidth of measured

signal is 25MHz or 50MHz.

UT-P43&UT-P44 series 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

Switch-mode power supplies design

Power convert design

AC inverter and UPS

Transducer design

Electronic ballast design

Electromotor drive design

CRT display design

Electric and electronic experiment

3. Main Specifications

Electrical Specification

Model

UT-P43

UT-P44

Bandwidth (-3dB) 25MHz 50MHz

Rise time

14ns

7ns

Max. measurable current 20A（DC + peak 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

Probe body

188×40×24

（

）

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

4. Unpacking and Preparation for Use

4-1 Unpacking

This product has been checked and tested for the quality before it comes

out of the factory. Please check if there is damage during the

transportation when unpacking. If there is, please inform the

transportation company and the local agent immediately.

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 only the AC adapter specified for this product to

avoid injury and prevent damage to this product.

5. General View of Product

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