Besantek BST-ELC01 User manual
BST-ELC01
INDUSTRIAL DIGITAL
EA RTH LEAKAGE CIRCUIT
BREAKER and 3 PHASE
ROTATION TESTER
R O
P R
R
L �
INSTRUCTION MANUAL
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400 Toll
Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Index
1. Safety Rules..........................................................
2. Safety Checks.......................................................
3. Don't Touch...........................................................
4. General Description..............................................
5. Brief Product Description......................................
6. Operating Instructions...........................................
7. Front Panel Layout................................................
8. Keypad and Main Keys.........................................
9. Principle of How It Work.......................................
10. Preparation For Use.............................................
11. Replacing The Batteries........................................
12. Specications........................................................
13. Limited Warranty...................................................
Page
1-2
2
2-3
3-4
4-5
5-8
9
10
11-12
12
13
14-15
15-16
1. Safety Rules
2. Safety Check
3. Don't Touch
-2-
combined
-3-
-4-
To test the tripping time or the tripping current of a Eathr Leakage
Circuit Breaker, make sure to connect the earth wire.
This instrument represents the quickest and easiest way for
servicing, repairing and electrical maintenance of 3 phase system
with earth leakage.
With this equipment, you can, before connecting Load to Supply:
On the supply side; Quickly verify the presence of the three Phases
on a 3 Phases Power System. Conrm the Phase Rotation on a
Powered 3 Phase System. Test the Tripping (disconnection) current
and time of the protections.
5. Brief Product Description
This 3 Phases Rotation and Earth Leakage Tester has 4 test leads
which connects to the 4 mm female sockets on the tester.
These Test leads are color coded.
R(L1) = Red which connects to R on the tester.
S(L2) = White which connects to S on the tester.
T(L3) = Blue which connects to T on the tester.
T(L3) = Blue which connects to T on the tester.
Earth = Green which connects to Earth on the tester.
On the other side of the test leads are the probes, also color coded.
The Phase Presence Indicator has three neon lamps which are the
Phase Presence indicators;
Neon Lamp for Individual Phase Presence Indication = R(L1)
Neon Lamp for Individual Phase Presence Indication = S(L2)
Neon Lamp for Individual Phase Presence Indication = T(L3)
Please note that any of these Neon lamp will only start to light up if
more than 100Vac is present between any 2 phases.
-5-
The Phase Rotation Indicator has;
A LED to display clockwise rotary direction L1L2L3.
A LED to display counter clockwise L2L1L3.
The Earth Leakage Tester comprise of the Phase Selector, which
permit the selection to connect Phase 1 ( L1 or R ) to the earth
Leakage tester, or Phase 2 ( L2 or S), or phase 3 (L3 or T).
The Industrial Earth Leakage Tester injects a fault current between
one of the phase and earth.
When utilized to test on a single phase system, the 3 Phase
Presence and rotation features and indications must be disregarded.
The Selector Switch must be on the R position, and the R(L1) phase
is connected to the Phase(Line), the green socket to Earth.
Neutral wire is not utilized in the testing of the Earth leakage Circuit
Breaker.
6. Operating Instructions
Determination of the rotary eld direction and phase presence
On a 3 Phase System, the sequence of the 3 phases determine the
rotation of a 3 phase motor connected to that system.
The correct 3 Phase Sequence R(L1), S(L2), T(L3) results in a
clockwise rotation of the connected motor.
Connect the Test Leads to the sockets of the Instrument, respecting
the correct color. Red to R(L1), White to S(L2), Blue to T(L3).
Clip the test probes to the three mains phases, R(L1), S(L2), T(L3).
When connecting to a voltage superior to 100V AC, the
corresponding neon lamp will start to glow, indicating the presence
of the voltage on it's corresponding lead (L1, L2, L3 lamps).
-6-
* -
➔
-8-
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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8. Keypad and Main Keys
MENU
SELECT
ENTER
YES
OFF
INCREASE
ON
-11-
9. Principle of How It Work
The tester has two separate circuits:
One is for the 3 Phase Presence and Rotation indicator, the other
is for the Earth leakage Circuit Breaker Tester.
The rst circuit is the 3 Phase presence indicator, which is shown by
the neon lamps and the three phase sequence indicator by leds.
3 Phase Presence and Rotation indicator:
This circuit derive it's power from the system under test.
This circuit does not require the user of battery and is self powered
through resistors.
3 Phase Presence Indication circuit:
This circuit uses neon lamps to indicate if a phase is present.
These neon lamps are connected in series with a limiting resistor.
Neon lamps will lights up when the voltage across any two phases is
more than 100Vac.
3 Phase sequence indicator circuit:
This circuit has an analog and a digital part. The analog signals are
shaped then compared to a set of references. These results are
digitally compared to give the results on the indicating LEDs.
Earth leakage Circuit Breaker Tester
At switch-ON, the circuit is powered up.
A low battery detection pickup circuit, with a Power On indicator LED
is also present.
This LED indicate that the batteries are ok and it will lights up when
the batteries are ok.
Should this led not lights up, replace the batteries.
Once the Earth Leakage Circuit Breaker is turned-ON, the rst menu
will indicate that the instrument is ready.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
-12-
Basically, this instrument measure the voltage Line to Earth or
between the selected phase to Earth.
This is not the Line to Line voltage.
The tester also has a computer controlled constant current source,
from which the test fault current is taken from.
This instrument reproduce a perfect 50Hz current sinewave, wich is
independant from the shape of the voltage.
10. Preparation For Use
Fuses :
In doubt, check the fuses using a ohm meter.
Please note that the Earth Leakage Tester will not indicate any
voltage, should the fuses be blown.
Should the fuse be blown, the Current Led will also not lit.
Test Leads :
Check the test leads for defects or cracks. Replace if cracked or
damaged. Only replace with the same type.
Cleaning :
Use a damp cloth to clean the case. Do not use chemicals.
Batteries :
Checking the battery is automatically done, once the tester is
switched "ON". Should the battery OK led not lit, replace the batteries.
-13-
11. Replacing The Batteries
Prior to battery replacement always disconnect the instrument from
the circuit to which it's connected.
Remove the test leads from the instrument.
Remove the back cover to access the battery compartment.
Remove all the bad batteries from the battery compartment and
dispose properly of that batteries (see your local disposal facilities
related to disposal of batteries).
Only replace with 8 new batteries of the following type : 1.5 V, C
type.
Re-insert the (batteries) back cover onto the instrument and tighten
the screw.
Fuses Replacement
Unscrew the front fuse cover and replace the faulty fuse with the
same type, then screw the fuse cover back into place correctly
-14-
12. Specications
ELECTRICAL
Determination of the Phase Presence
Nominal Voltage for Phase Presence Indication (the voltage required
for the neon lamps L1, L2, L3 to lit up)...... From 100Vac to 450Vac.
Frequency Range ..................................... From 10Hz to 400Hz.
Determination of the Phases Rotary Field Direction:
Direction (the voltage required to have the direction LEDs L1-L2-L3
or L2-L1-L3 to indicates)............................ From 100 to 450Vac.
Frequency Range ..................................... From 2Hz to 400Hz.
Protection
Over Load.................................................. 550V (between all terminals).
Over Voltage ............................................. Class III - 450V towards ground.
ENVIRONMENTAL
Operating temperature Range : 0°C to + 40°C
Storage Temperature : -10°C to + 50°C
Earth Leakage
Current Settings 999mAac / 50-60Hz
Current Selection Knob
Phase Start Selection(*) 0° and 180°
Over-Temperature Protection(*) Yes
Phase Polarity Trip Indicator(*) Yes
Operating Voltage ( L-E ) 220Vac to 317Vac
(*)Referenced to Earth
Timer Resolution 1ms (Max Time = 99.99s)
Timer Accuracy 1ms ±4ms
Current Accuracy ±3% ±4mA
Current Resolution 1mA
Voltmeter Accuracy (50Hz) 50-350 Vac = ±3%±2V
350-550Vac = ±7%±3V
Voltmeter Resolution 1V
-15-
Batteries 1.5V "C" x 8 batteries
Bat OK Led = Vbat >9V
Maximum Current Specied at 317Vac / 50Hz
CLEANING
Clean the instrument case with an anti-static cleaner and wipe with dry cloth.
13. Limited Warranty
We warrant the product manufactured by us to be free from defective
material or factory workmanship and agree to repair or replace this
product which, under normal use and service, disclose the defect
to be the fault of our manufacturing, with no charge for parts and
service. If we are unable to repair or replace this product, we will
make a full refund of the purchase price.
Consult the user's manual for proper instruction regarding use of this
instrument.
Our obligation under this warranty is limited to repairing, replacing
or making refund of this test equipment which proves to be defective
within twelve months from the date of original purchase.
This warranty does not apply to any of our products which have
been repaired or altered by unauthorized persons in any way so as,
in our sole judgement, to injure their stability or reliability, or which
have been subject to misuse, abuse, misapplication, negligence or
accident or which have had the serial numbers altered, defaced or
removed.
Accessories, not of our manufacture used with this product, are not
covered by this warranty.
All warranties implied by law are hereby limited to a period of twelve
months, and the provisions of the warranty are expressly in lieu of
any other warranties expressed or implied.
-16-
The purchaser agrees to assume all liability for any damages or
bodily injury which may result from the use or misuse of the product
by the purchaser, or it's user, his employees, or others, and the
remedies provided for in this warranty are expressly in lieu of any
other liability we may have including incidental or consequential
damages.
We reserve the right to discontinue models at any time, or change
specication, price or design, without notice and without incurring
any obligation.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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