Amprobe PRM-2 Manual de usuario
PRM-2 PHASE SEQUENCE TESTER
PRM-3 PHASE SEQUENCE &MOTOR ROTATION TESTER
User’s Manual
Version 022105
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CONTENTS
PRM-2 & PRM-3
1. Warranty…………………………………………………………….....3
2. Safety precautions and procedures………………………………….....4
3. Introduction…………………………………………………………....5
PRM-2 PHASE SEQUENCE TESTER
4.1 During Use………………………………………………………….....7
4.2 Features…………………………………………………………….….9
4.3 Cleaning and maintenance………………………………………..…...9
4.4 Recycling………………………………………………………….....10
4.5 Technical data……………………………………………………..…10
PRM-3 PHASE SEQUENCE & MOTOR ROTATION TESTER
5.1 During Use…………………………………………………………..11
5.2 Features……………………………………………………………...14
5.3 Cleaning and maintenance………………………………………..…14
5.4 Recycling…………………………………………………………....15
5.5 Technical data…………………………………………………….....15
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1. Warranty (PRM-2 & PRM-3)
Congratulations! Your new instrument has been quality crafted according to quality standards and
contains quality components and workmanship. It has been inspected for proper operation of all of its
functions and tested by qualified factory technicians according to the long-established standards of
our company.
Your instrument has a limited warranty against defective materials and/or workmanship for one year
from the date of purchase provided that, in the opinion of the factory, the instrument has not been
tampered with or taken apart.
Should your instrument fail due to defective materials, and/or workmanship during this one
year period, a no charge repair or replacement will be made to the original purchaser. Please
have your dated bill of sale, which must identify the instrument model number and serial
number and call the number listed below:
AMPROBE / Repair Department
Phone: 954-499-5400 • Toll Free: 800-327-5060 • Fax: 866-287-7222
Website: www.Amprobe.com
Please obtain an RMA number before returning product for repair.
Outside the U.S.A. the local representative will assist you. Above limited warranty covers
repair and replacement of instrument only and no other obligation is stated or implied.
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2. Safety Precautions and Procedures (PRM-2 & PRM-3)
This tester conforms to the safety standard EN 61010-1, relating to the electronic measuring in-
struments.
For your own safety and that of the instrument, you must follow the procedures described in this
operation manual and especially read carefully all the notes proceeded by the symbol .
WARNING
•Do not test any circuits in the extremely humid or wet environment.
•After transferring the tester from a cold place into a warm one, please, wait about
30 min. to get the tester acclimated to the present conditions. You can wipe the
condensed dew, if necessary.
•Do not operate the meter in the environment with explosive gas (material), combus-
tible gas (material), steam or filled with dust.
•Insulate yourself from the objects being measured.
•Do not make contact with any exposed metal (conductive) parts such as the tips of
the test leads, sockets, fixing objects, circuits, etc.
•Do not conduct any measurements if the tester is defective, with the defective cas-
ing or test leads (breakages, deformations, fractures, contaminations, etc).
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The followings symbols are used:
Caution: Please, refer to the operation manual. Incorrect use may damage the tester or its
components.
Meter double insulated.
3. Introduction (PRM-2 & PRM-3)
•This instrument has been designed for use in the environment of the pollution degree 2.
•You must comply with the usual safety regulations aimed at:
®Protecting you against the dangerous electrical current.
®Protecting the instrument against an incorrect operation.
•Only the leads supplied with the instrument guarantee compliance with the safety standards.
They must be in a good condition and they must be replaced, if necessary with the identical ones.
•Do not test or connect to any circuit with voltage exceeding the specified overload protection.
•Do not perform any measurement in the environmental conditions exceeding the specified limits.
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WARNING
The PRM-2 or PRM-3 tester can be operated only by the qualified persons having suit-
able authorization for performing work on electrical installations. Using the tester by the
unauthorized people can cause damage to the instrument and be very dangerous for the
user.
WARNING
The PRM-2 or PRM-3 tester is designed for tests of phase sequence in the three-phase
line and three-phase motor rotations. All applications different from the given above may
cause damage to the instrument and be a source of a serious danger for the user.
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PRM-2 PHASE SEQUENCE TESTER
4.1 During Use (PRM-2)
WARNING
When the tester is connected to the measured circuits, never touch the tips of the un-
used test leads!
WARNING
Connecting the tester to the voltage exceeding 600V can damage the tester or cause
danger for the user.
•Connect the tester to the circuit under test.
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®
®
®
•Check for voltage on all phases: three LEDs marked “A”, “B” & “C” should be on. If there is a lack
of voltage on one of the test leads the corresponding LED will not illuminate. If a voltage is pre-
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sent on one or two leads and the remaining leads are connected to neutral or ground, both or all
LEDs will illuminate not including the phase sequence LEDs.
•If the voltages of all phases are correct it is possible to read out the phases’ order by observing
the illumination of the LED marked as “NORMAL (ABC)” or “REVERSE”.
•After conducting a test, the instrument should be disconnected from the circuit under test. The
tester left under voltage for long periods of time can overheat. In such a case the built-in thermal
protection will disconnect the electronic system and the indications will be switched off. If such a
situation occurs you should disconnect the tester from the installation and wait a few minutes
before another use of the tester (the tester will run automatically after cooling down).
4.2 Features (PRM-2)
•Indication of phase sequence in the wide range of power network voltages.
•Phase voltage drop indication: the tester indicates phase voltage losses and sags on one or two
other phases by turning off corresponding LED: (A, B or C) and phase sequence indicator LED.
•Thermal protection of the tester (self-recovery thermal circuit breaker protects the tester from
overheating, when left connected to a network for a long period of time).
4.3 Cleaning and Maintenance (PRM-2)
The tester casing should be cleaned with a soft, wet flannel, using generally available deter- gents. Do
no use any solvents, nor cleaning agents that could scratch the casing (powders, pastes, etc.).
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4.4 Recycling (PRM-2)
Testers in need of repair should be sent to the manufacturer. In the case of disposal the user is
obliged to follow the local recycling regulations.
4.5 Technical Data (PRM-2)
Inter phase voltage range .................................................................................... from 100 to 600V
Operating frequency range ........................................................................................... 45 to 65 Hz
Maximum phase to earth voltage ............................................................................................ 350V
Power supply ......................................................................................... from the installation tested
Current consumption (from the line voltage) ..................................................... max 3,5mA (385V)
Storage temperature ………......................................................................... –25..+60°C (<80%RH)
Operation temperature ………...................................................................... –10..+45°C (<70%RH)
Insulation ........................................................... double, according to EN 61010-1 and IEC-61557
Measurement category ................................................................ CAT III 600V as per EN 61010-1
Casing protection class per EN 60529 ..................................................................................... IP40
Compatible with standard…………….…………….........…………………...............……IEC 61557-7
Dimensions (without cables) .................................5.47” (139 mm) x 2.68” (68 mm) x 1.26” (32mm)
Weight (with cables) ..........................................................................................ca. 7.05 oz. (0,2 kg)
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