ENGLISH
User’s manual
© Copyright HT-ITALIA 2012 Release EN 1.02 - 14/05/2012
HT82
Table of contents:
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2
1.1. Preliminary ............................................................................................................ 2
1.2. During use ............................................................................................................. 2
2. GENERAL DESCRIPTION ........................................................................................... 3
2.1. Instrument description ........................................................................................... 3
3. PREPARATION FOR USE ........................................................................................... 3
3.1. Initial ...................................................................................................................... 3
3.2. Supply voltage ....................................................................................................... 3
3.3. Storage .................................................................................................................. 3
4. OPERATING INSTRUCTIONS ..................................................................................... 4
4.1. Measurement description ...................................................................................... 4
5. MAINTENANCE ........................................................................................................... 4
5.1. General information ............................................................................................... 4
5.2. Cleaning ................................................................................................................ 4
5.3. End of life .............................................................................................................. 4
6. TECHNICAL SPECIFICATIONS .................................................................................. 5
6.1. Technical features ................................................................................................. 5
6.1.1. Electrical specifications ................................................................................................ 5
6.1.2. Safety ........................................................................................................................... 5
6.1.3. General data ................................................................................................................ 5
6.2. Environment .......................................................................................................... 5
6.2.1. Environmental conditions ............................................................................................. 5
6.2.2. EMC and LVD .............................................................................................................. 5
6.3. Accessories ........................................................................................................... 5
6.3.1. Standard accessories ................................................................................................... 5
7. SERVICE ...................................................................................................................... 6
7.1. Warranty conditions ............................................................................................... 6
7.2. After-sale service ................................................................................................... 6
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HT82
1. SAFETY PRECAUTIONS AND PROCEDURES
This meter is in compliance with safety standards EN61557 and EN61010-1 related to
electronic measuring instruments. For your own safety and to avoid damaging the
instrument follow the procedures described in this instruction manual and read carefully all
notes preceded by this symbol . When taking measurements:
• Avoid doing that in humid or wet places - make sure that humidity is within the limits
indicated in paragraph 6.2.1.
• Avoid doing that in rooms where explosive gas, combustible gas, steam or excessive
dust is present.
• Keep you insulated from the object under test.
• Do not touch exposed metal parts such as test lead ends, sockets, fixing objects,
circuits etc.
• Avoid doing that if you notice anomalous conditions such as breakages, deformations,
fractures, leakages of battery liquid, blind display etc.
• Be particularly careful when measuring voltages exceeding 20V to avoid risk of
electrical shocks.
The following symbols are used:
CAUTION – refer to the instruction manual - an improper use may damage the
instrument or its components.
Double insulated meter.
DC or AC voltage or current.
1.1. PRELIMINARY
• This instrument has been designed for use in environments of pollution degree 2.
• It can be used for testing the phase sequence on installations of overvoltage CAT IV
300V and CAT III 600V to the ground.
• When using the instrument always respect the usual safety regulations aimed at
protecting you against the dangerous electric currents and protecting the instrument
against incorrect operations.
• Only the leads supplied with the instrument guarantee compliance with the safety
standards in force. They must be in good conditions and, if necessary, replaced with
identical ones.
• This instrument is not suitable for measurements of non sine wave voltage.
• Do not test or connect to any circuit exceeding the specified overload protection or
under environmental conditions exceeding the limits indicated in paragraphs 6.1.1 and
6.2.1.
1.2. DURING USE
We recommend carefully reading the following recommendations and instructions:
CAUTION
An improper use may damage the instrument and/or its components or
injure the operator.
When the instrument is connected to measuring circuits never touch any unused terminal.
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HT82
2. GENERAL DESCRIPTION
The instrument HT82 detects the phase sequence.
2.1. INSTRUMENT DESCRIPTION
LEGEND:
1. Inputs
2. Display
Fig. 1: Instrument description
3. PREPARATION FOR USE
3.1. INITIAL
This instrument was checked both mechanically and electrically prior to shipment. All
possible cares and precautions were taken to let you receive the instrument in perfect
conditions. Notwithstanding we suggest you to check it rapidly (eventual damages may
have occurred during transport – if so please contact the local distributor from whom you
bought the item). Make sure that all standard accessories mentioned in paragraph 6.3.1
are included. Should you have to return back the instrument for any reason please follow
the instructions mentioned in paragraph 7.
3.2. SUPPLY VOLTAGE
The instrument is self powered by the mains.
3.3. STORAGE
After a period of storage under extreme environmental conditions exceeding the limits
mentioned in paragraph 6.2.1 let the instrument resume normal measuring conditions
before using it.
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HT82
4. OPERATING INSTRUCTIONS
4.1. MEASUREMENT DESCRIPTION
CAUTION
Do not test or connect to any circuit exceeding the specified overload
protection. Do not attempt to measure higher voltages to avoid electrical
shocks or damages to the instrument.
1. Connect the test cables by following their numbering.
2. Apply the relevant alligator clips to the free ends of the cables.
3. Connect the alligator clips to the electrical mains.
4. The instrument displays:
• The connected phase cables, L1, L2, L3 refer to the relevant inputs (two cables
have to be connected at least).
• The phase sequence: the letter R with a clockwise arrow indicates the correct
phase sequence, the letter L with a counterclockwise arrow indicates the uncorrect
phase sequence.
5. MAINTENANCE
5.1. GENERAL INFORMATION
This is a precision instrument. To guarantee its performances be sure to use it according to
these instructions and keep it stored on suitable environmental conditions Do not expose it
to high temperatures or humidity or direct sunlight.
5.2. CLEANING
To clean the instrument use a soft dry cloth. Never use a wet cloth, solvents or water.
5.3. END OF LIFE
CAUTION: this symbol indicates that equipment and its accessories shall be
subject to a separate collection and correct disposal.
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HT82
6. TECHNICAL SPECIFICATIONS
6.1. TECHNICAL FEATURES
6.1.1. Electrical specifications
Input voltage range: 40V ÷ 690V AC
Frequency voltage range: 15Hz ÷ 400Hz
Absorbed current (by phase): 1mA
6.1.2. Safety
The instrument complies to: EN 61010-1
Insulation: Class 2, Double insulation
Pollution degree: 2
Overvoltage category: CAT III 600V
Max height: 2000m; 6561ft
6.1.3. General data
Mechanical characteristics
Dimensions: 130(L) x 69(W) x 22(H)mm; 5.1x2.7x0.9in
Weight: Approx. 130g; 4.2ounces
Protection: IP 40
Power supply
From the mains.
Display
Characteristics: Custom with phase sequence and detected
phases indications
6.2. ENVIRONMENT
6.2.1. Environmental conditions
Working temperature: 0° ÷ 40°C; 32° ÷ 104°F
Relative humidity: <80%HR
Storage temperature: 0° ÷ 40°C; 32° ÷ 104°F
Storage humidity: <80%HR
6.2.2. EMC and LVD
This product conforms to the prescriptions of the European directive on low voltage
2006/95/EEC (LVD) and to EMC directive 2004/108/EEC.
6.3. ACCESSORIES
6.3.1. Standard accessories
The package contains:
• Instrument HT82.
• 3 test cables.
• 3 alligator clips.
• User’s manual.
• Carrying case.
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HT82
7. SERVICE
7.1. WARRANTY CONDITIONS
This instrument is guaranteed against material or production defects, in accordance with
our general sales conditions. During the warranty period the manufacturer reserves the
right to decide either to repair or replace the product.
Should you need for any reason to return back the instrument for repair or replacement
take prior agreements with the local distributor from whom you bought it. Do not forget to
enclose a report describing the reasons for returning (detected fault). Use only original
packaging. Any damage occurred in transit due to no original packaging will be charged
anyhow to the customer.
The manufacturer will not be responsible for any damage to persons or things.
The warranty doesn’t apply to:
• Accessories and batteries (not covered by warranty).
• Repairs made necessary by improper use (including adaptation to particular
applications not provided in the instructions manual) or improper combination with
incompatible accessories or equipment.
• Repairs made necessary by improper shipping material causing damages in transit.
• Repairs made necessary by previous attempts for repair carried out by unskilled or
unauthorized personnel.
• Instruments for whatever reason modified by the customer himself without explicit
authorization of our Technical Dept.
• Incorrect use do not compliance to instrument specifications or to user's manual.
The contents of this manual may not be reproduced in any form whatsoever without the
manufacturer’s authorization.
Our products are patented and our logotypes registered. We reserve the right to
modify specifications and prices in view of technological improvements or
developments which might be necessary.
7.2. AFTER-SALE SERVICE
Shouldn’t the instrument work properly, before contacting your distributor make sure that
batteries are correctly installed and working, check the test leads and replace them if
necessary. Make sure that your operating procedure corresponds to the one described in
this manual.
Should you need for any reason to return back the instrument for repair or replacement
take prior agreements with the local distributor from whom you bought it. Do not forget to
enclose a report describing the reasons for returning (detected fault). Use only original
packaging. Any damage occurred in transit due to non original packaging will be charged
anyhow to the customer.
The manufacturer will not be responsible for any damage to persons or things.
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