Unit UT581 Manual de usuario
Digital RCD (ELCB)Tester
Instruction Manual
UT581/582
UT581/582 INSTRUCTION MANUAL
Chapter
1.Safety Instruction
2.Characteristics
3.General Specications
4.Product Outlook & Accessories
5.Measurement Operation
6.Maintenance & Repair
Page
2
6
8
12
14
18
CONTENTS
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UT581/582 INSTRUCTION MANUAL
1. Safety Instructions
This operation manual includes the user guidance and safety instruction
when using the tester, please read it before using.
Caution
● Before using the tester, please read and understand the operating
manual including the content.
● Keep the operating manual properly, and let it easy to get it for
reference during the process of testing.
● When using the tester, user must follow the testing procedure as
mentioned in the operating manual.
● Careful reading the operating manual regarding the safety information
and it is content.
● Must be followed all the related safety instructions, otherwise it may
cause accidents or damage the tester.
2
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UT581/582 INSTRUCTION MANUAL
Safety sign“ ”has three meaning in this manual, user has to pay the
attention to this sign“ ”for operation.
Danger---identies conditions and actions that most likely
pose hazard(s) or die.
Warning---identies conditions and actions that will pose
hazard(s) or die.
Caution---identies conditions and actions that will pose
hazard(s) or damage the tester.
Danger
● This test instrument unit is suitable for using under single phase
230V+10%-15%.(Operational Voltage Scope: 195 – 253 V)
● To avoid possible electric shock or personal inquiry. Do not use the
test instrument or test leads if they appear damaged or metal part is
exposed, or if test instrument is not operating properly. If in doubt,
please contact the instrument serviced.
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UT581/582 INSTRUCTION MANUAL
● Do not use your nger to touch on any testing cable during the testing
stage.
● Put off the test leads after testing complete. P.S. test leads can not
always plugs on the test instrument.
Warning
● Do not open or disassemble the tester un-intentionally during the
measurement, it has a high voltage inside and cause a danger for the
user. If it needs service repairing, please contact our after-sales
services or our agents.
● If the test instrument appear abnormal ( for example, no completed
display, incorrect calculation, housing damage, noise issue during
the measurement etc….). please contact our after-sales services or
our agents.
● Do not use the tester if your hands are in wet.
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UT581/582 INSTRUCTION MANUAL
Caution
● Ensure the test lead probe (need to be provided by UNI-TREND
Certied One) insert into the corresponding port in order to provide a
safe before measurement. It is not encourage to use third parties test
lead probe on our tester.
● Do not expose the tester in extreme temperature and wet environment.
● Soft cloth and mild detergent should be used to clean the surface of
the tester. No abrasive and solvent should be used when servicing.
● Dry the tester before storing if it is wet.
This Tester has the follow signs,please pay attention to the content when
using
Identies danger, warning, caution
Identies double or reinforced insulation
Grounding
CE conforms to Standards of European Union
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UT581/582 INSTRUCTION MANUAL
2. Characteristics
2.0 This tester is suitable for using under single phase 230 V / 50 Hz.
(Operational Voltage Scope: 195 – 253 V)
2.1 It uses micro-controller with high accuracy, reliability and satiability.
2.2 Connectivity Checking: 3-LED Lamp signal is correct or not .
Correct connectivity: P-E & P-N display
two green light signal on but red light is off, If
not, you may incorrect to connect it.
2.3 Phrase Switch Selection: Can select positive (0°) or negative (180°)
semi-cycle commencing testing.
2.4 Over-range display“OL”indication. “OL mS” signal will be displayed on
LCD under the time limitation of the testing condition of over the time
limit.
2.5 Auto-data hold: Data hold for a while after each testing transaction.
2.6 Fast Trip Fixed: Current250mA (MAX: 40mS)(UT581 only).
2.7 AUTO RAMP Test: AUTO RAMP can test the trip test and trop current
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UT581/582 INSTRUCTION MANUAL
in sync(UT582 only).
2.8 Power Off Buzzer: Buzzer alarm after turn off 3 minutes.
2.9 Environmental Protection Energy Conservation: This tester can not
use Battery operation, it can use cable to charge on under(under A/C
220V/50Hz only).
2.10 Fuse: Fused safety protection directly.
2.11 Double insulation or reinforced insulation safety manufacturing.
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UT581/582 INSTRUCTION MANUAL
3. General Specications
3.1 Measuring range & Tolerance. (Temperature: 23±5℃; Humidity:
45%~75% RH; Elevation below ≤2000 meter)
UT581:
Functions Voltage(AC) Trip Current
Setting (I△n)
Trip Time
(MAX)
Accuracy
Trip Current Trip Time
X 1/2
X 1
X 5
250mA
(Fast
Trip)
230V
(Tolerance:
-15%~+10%)
Frequency:
50Hz
250mA(Fixed)
10 / 20 / 30mA
500mA
10 / 20 / 30 /100 /
300 mA
10 / 20 / 30 /100 /
300 / 500mA 1000mS
1000mS
300mS
1000mS
40 mS
Tolerance:
-10%~0%
Tolerance:
0%~+ 10%
Tolerance:
0%~+ 10%
±0.6% rdg
±4dgt
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UT581/582 INSTRUCTION MANUAL
UT582:
Functions Voltage(AC) Trip Current
Setting (I△n)
Trip Time
(MAX)
Accuracy
Trip Current Trip Time
X 1/2
X 1
X 5
AUTO
RAMP
TEST
230V
(Tolerance:
-15%~+10%)
Frequency:
50Hz
10 / 20 / 30 /100
/ 300 / 500mA
10 / 20 / 30mA
500mA
10 / 20 / 30 /100 /
300 mA
10 / 20 / 30 /100 /
300 / 500mA 1000mS
1000mS
300mS
(RAMP
increase to
10%) I△nfrom
20%~110%
300*10 mS
1000mS
Tolerance:
-10%~0%
Tolerance:
0%~+ 10%
Tolerance:
-10%~+10%
±0.6% rdg
±4dgt
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