UEi IRT803 Instruction Manual
IRT803
OFF
1000V
500V
250V
100 V
V
ZERO
600V AC/DC Digital Insulation
Resistance Tester
INSTRUCTION MANUAL
ENGLISH
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0 0.1 M 1 M 10 M 100 M 1 G 20 G
Apo
SELECT
PI/DAR
COMPARE
TEST
1000V
COM
OFF
ZERO
V
ZERO
Ω
E
S
T
E
R
IRT803
V
LOCK
HOLD
500V
250V
100 V
V
INSULATION
DC
600V
CAT IV 600V
CAT III 1000V
FUSED
1-800-547-5740
www.ueitest.com email: info@ueitest.com
TABLE OF CONTENTS
FEATURES
GENERAL SPECIFICATIONS
IMPORTANT SAFETY WARNINGS
SYMBOLS
CATEGORY DEFINITIONS
OVERVIEW
OPERATING INSTRUCTIONS
Voltage <600V AC/DC .................................................................................................................7
Earth-Bond Resistance <20kΩ ..................................................................................................... 8
Continuity .................................................................................................................................... 9
Insulation Resistance/1000V/ 500V/ 250V/ 100V .................................................................... 10
Polarization Index & Dielectric Absorption Ratio (1000V, 500V, 250V, 100V) ........................... 11
Compare Function ..................................................................................................................... 12
Test Lead Notes ........................................................................................................................12
Testing the Fuse ........................................................................................................................13
Testing the Batteries .................................................................................................................13
Battery Replacement .................................................................................................................14
Fuse Replacement ..................................................................................................................... 14
Remote Probe Set ..................................................................................................................... 15
FCC/IC INFORMATION ................................................................................................................ 16
DISPOSAL ...................................................................................................................................16
CLEANING
STORAGE
WARRANTY
..................................................................................................................................................3
...................................................................................................................3
.......................................................................................................4
..................................................................................................................................................5
.......................................................................................................................5
.......................................................................................................................................... 6 - 7
................................................................................................................................... 16
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IRT803 Insulation resistance tester is designed to help prevent hazards such as electric shock and short-circuits
caused when the insulation in electrical devices, parts, and equipment used in plants, buildings, and other settings
degrades over long periods of use.
FEATURES
• Insulation Resistance 20.0GΩ
• 600V AC/DC
• Earth-bond Resistance 20.00kΩ
• Continuity
• PI/ DAR test
• Hold
• Test lead holders in boot
• Zero reading
• Lock reading
• Compare reading
• Rotary dial selector
• Protective rubber boot
• Kick stand
• Remote probe
• Auto power off
• Backlit Display
• Worklight
GENERAL SPECIFICATIONS
• Operating Temperature: 32˚ to 122˚F (0˚ to 50˚ C)
• Storage Temperature: 14˚ to 122˚F (-10˚ to 50˚C)
• Operating Humidity: <75%
• Operating Altitude: 6,562 ft (2000m)
• Pollution Degree: 2
• Backlight: Yes
• Refresh Rate: 3/sec
• Over-range: “OFL” is displayed.
• Dimensions: 8.27” x 3.52” x 2.17”
• Item Weight: 1.283 lbs.
• Calibration: Recommended annually
• CAT Rating: CATIV 600V/CATIII 1000V
• Certifications: cETLus 3rd edition, CE Conformity, CATIV 600V, CATIII 1000V, IP42, RoHS,
6’ Drop Protection, IEC/EN 61010-1: 2010
• Battery Type: (AA) 4
• Test Leads: Silicone test leads w/ alligator clips (red and black) (ATL57), Remote Probe
• Accuracy Temperature: 64˚ to 82˚F (18˚ to 28˚C)
• Temperature Coefficient: Nominal 0.1 x (Specified accuracy)/˚C
• Bargraph: 30 segments
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IMPORTANT SAFETY WARNINGS
WARNING
Read entire Safety Notes section regarding potential hazard and proper instructions before using this meter. In this manual
the word “WARNING” is used to indicate conditions or actions that may pose physical hazards to the user. The word
“CAUTION” is used to indicate conditions or actions that may damage this instrument.
WARNING
To ensure safe operation and service of the tester, follow these instructions. Failure to observe these warnings can result in
severe injury or death.
WARNING
• Before each use, verify meter operation by measuring a known voltage.
• Never use the meter on a circuit with voltages that exceed the category based rating of this meter.
• Do not use this meter during electrical storms or in wet weather.
• Do not use the meter or test leads if they appear damaged.
• Ensure meter leads are fully seated and keep fingers away from the metal probe contact when making measurements.
Always grip the leads behind the finger guards molded into the probe.
• Do not open the meter to replace batteries while the probes are connected.
• To avoid false readings that can lead to electrical shock, replace batteries if a low battery indicator appears.
• Unless measuring voltage, shut off and lockout power before measuring resistance.
• Always adhere to national and local safety codes. Use proper personal protective equipment (PPE) to prevent shock and
arc blast injury where hazardous live conductors are exposed.
• Always turn off power to a circuit or assembly under test before cutting, unsoldering or breaking the current path. Even
small amounts of current can be dangerous.
• Always disconnect the live test lead before disconnecting the common test lead from the circuit.
• In the event of electrical shock, ALWAYS bring the victim to the emergency room for evaluation, regardless of victim’s
apparent recovery. Electrical shock can cause unstable heart rhythms that may need medical attention.
• If any of the following occur during testing, turn off the power source to the circuit being tested: arching, flame, smoke,
extreme heat, smell of burning materials or discoloration or melting of components.
WARNING
Higher voltages require greater awareness of physical safety hazards. Before connecting the test leads; turn off power to
the circuit under test, set meter to the desired function and range; connect the test leads to the meter first, then connect to
the circuit under test. Reapply power. If an erroneous reading is observed, disconnect power immediately and recheck all
settings and connections.
WARNING
This meter is designed for trade professionals who are familiar with the hazards of their trade. Observe all recommended
safety procedures that include proper lockout utilization and use of personal protective equipment that includes safety
glasses, gloves and flame resistant clothing.
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SYMBOLS
COMPARE
RUN TIME
G
DC (Direct current) AC (Alternating Current)
Auto Power Off Active Negative DC
Low Battery High Voltage
Voltage Continuity
Ohms/Resistance
Warning or Caution Pass
Fuse Test
Kilo
Mega Hold
Giga Lock
PI/DAR Greater Than
ZERO
Ground 30 Segment Bargraph
Compare
Run Time
CATEGORY DEFINITIONS
Measurement
Category
II < 10 Circuits connected to mains socket outlets and similar points in the
III < 50 Mains distributions parts of the building
IV > 50 Source of the mains installation in the building
Short-Circuit (typical)
kA
a
Location in the
building installation
MAINS installation
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