![Uni-T UT502A [2/2] See figure 1](/img/pdf.png)
Uni-T UT502A [2/2] See figure 1
![Uni-T UT502A [2/2] See figure 1](/views2/1669817/page2/bg2.png)
P/N:110401104398X
6. Rotary knob set to 500V/1000V/2500V:
to select test voltage for insulation resistance measurement.
If low battery indicator shows on upper left corner of LCD after the
meter is turned on, it means battery is almost used up and need to
be replaced.
(See Figure 1)
Figure 1
(1) Set the rotary knob to ACV.
(2) Insert the red test lead into "V" jack and the black test lead into
"G" jack.
Disconnect test leads and tested circuits and remove test leads
away from input jacks after completing the measurement.
Please take extreme caution in order to avoid electric shock when
measuring high voltage.
(See Figure 2)
With the instrument connected to tested circuit as described above,
lead lead
test probe with the circuit
under test.
Figure 2
(See Figure 3)
Figure 3
● Turn the knob to select test voltage 500V/1000V/2500V.
Do not short-circuit the test leads under high-voltage output status or
make insulation measurement after high voltage has already been
output.
lead
lead
With the knob already set to test voltage 500V/1000V/2500V, then
press TEST button,the instrument will be self-locked to measure
continuously. The test voltage will be output and TEST button will
light up. With the measurement finished, press TEST button to
unlock and stop the measurement.
When red and black clips are connected to the circuit under test,
high voltage is output from LINE jack and the current from EARTH
jack.
Dielectric absorption ratio measurement
Under insulation measurement mode, press PI/DAR button two
times to select DAR parameter, the screen displays Time 1(30s)/
Time2(1min), then press TEST to start DAR measurement. Press
TEST three times to select another DAR, the screen shows Time
1(15s)/Time2(1min), press to begin another DAR measurement.
Under insulation measurement mode, press PI/DAR button once
to select PI parameter, the screen displays Time 1(1min)/
Time2(10mins), then press TEST to start PI measurement.
replacing
batteries
installing
set the knob to
the housing
To avoid damage to the instrument, do not submerge it into
the water.
Clean the instrument surface with soft cloth or sponge
dampened with clean water.
When it is necessary to verify or repair instrument, please
deliver the instrument to qualified professional serviceman
or designated repairing department.
M
R
*END*
Содержание
- Accuracy a of reading b digits calibration per year 1
- Alerts users to avoid electric shock 1
- Altitude 2000m 1
- Automatic voltage release 1
- Backlight for work on dark sites 1
- Between test leads 1
- Buttons and rotary knob 1
- Conditions and actions that may cause damage to the instrument or affect accurate measurement 1
- Conditions and actions that may cause serious or fatal damage 1
- Display the unit and function simultaneously 1
- Eg the instrument was damaged or had exposed metal 1
- Electrical symbols 1
- Insulation resistance measurement 1
- Is discharged 1
- Lcd display 1
- Lead lead low battery indicator shows if 1
- Leads when test leads are shorted and connected to the instrument do not press test key during test do not touch the tested line during insulation measurement 1
- Low battery indication 1
- Low resistance measurementc 1
- Operating manual carrying case test leads 1
- Overload indication 22 gω shows under insulation resistance measurement 1
- Pi dar button measures polarization index dielectric absorption ratio 2 zero light button turns on off the backlight or resets the display to zero for low resistance measurement 3 test button turns on off insulation and low resistance measurement 4 rotary knob set to acv to measure ac voltage 5 rotary knob set to continuity to measure low resistance 1
- Polarization index dielectric absorption ratio measurement 1
- Properly 1
- Red light for warning 1
- Risk of electric shock 1
- Safety compliances overvoltage catiii 600v pollution degree 2 as per iec61010 1
- Safety information 1
- Tester s structure front view 1
- The instrument is designed and manufactured in compliance with iec61010 standard the manual covers safety information related to the safe operations and conditions of the instrument please read carefully before using the instrument 1
- Under normal condition 1
- Use always as specified in the manual and keep it for future use 1
- Ut502a insulation resistance tester is designed with brand new design and combination of massive integrated and digital circuits it can measure insulation resistance low resistance ac voltage etc and enjoys high degree of accuracy stable performance easy operation and reliability it is used for insulation resistance measurement for insulation materials and various kinds of electric equipments such as transformer electric machines cables switches electrical appliances a ideal tool for electric equipment maintenance testing and inspection 1
- Voltage measurement 1
- Voltage over 750vac 1
- Warning 1
- See figure 1 2
- See figure 2 2
- See figure 3 2
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