TYPICAL APPLICATIONS
VOLTAGE TESTER Model SC-1
* CONNECTION WIRING CHECK (US Driver Blade)
* BULB; RELAY COIL; FUSE; SPEAKER
Move the tester handle close to the hair dryer with the
power OFF. The LED lights up when the plug is inserted
GOOD: when the LED lights up brightly.
FAULTY/BAD: when the LED light is dim or
READ BEFORE OPERATING IEC 1010, 250V, Cat. II
improperly, or if the ‘LIVE/HOT’ wire is improperly
it doesn’t light up in continuity mode. SPECIFICATIONS:
connected to the plug.
1) AC VOLTAGE TEST : Contact method from 70-250VAC
: Non-Contact method from 70-600VAC
* GROUND/EARTHING CHECK 2) DC VOLTAGE TEST : Up to 250VDC
Move the tester handle close to the toaster with the * FAULT FINDING 3) POLARITY TEST : 1.5V-36VDC
power OFF. LED lights up if the ‘Ground/Earth’ is Check 'FAULT' condition of wiring such as a 4) CONTINUITY CHECK : 0-5MW
not connected in the wiring. loose (bad contact) connection, or a dry solder o o o
5) TEMPERATURE RANGE: 14 to 122 F (-10 C to + 50 C)
o
joint of wiring, etc., by testing continuity. 6) FREQUENCY RANGE: 50 to 500Hz
* CAPACITOR BATTERY REPLACEMENT :
LED light comes ON and then goes OFF. The capacitor * Type : 392A ; AG3; LR41 ; 192 ; V3GA. (1.5V x 2 Alkaline or Silver type)
* LOCATING BROKEN WIRE
is GOOD, when similar indication is shown by * Battery life : Approx. 5 hours of continuous operation.
Trace the tester handle along the wire. LED goes out
switching leads.
where the wire is broken. HOW TO REPLACE THE BATTERIES :
Unscrew the ‘SENSING CAP’ completely in counter-clockwise direction, then
* DIODE; RECTIFIER gently straighten wire over the batteries. Replace the batteries with 'NEGATIVE'
side in down position and then bend the wire back. Replace the Sensing Cap.
LED lights up in the 'FORWARD' bias direction only.
CAUTION : 1) Never attempt to take any parts out except replacing batteries.
* WIRING CHECK 2) Do not operate the tester with the ‘Sensing Cap’ removed.
Easy to check out proper connection of the wiring - 3) Secure the screw tightly (clockwise).
simple continuity test. "SENSING CAP"
(SCREW-IN CAP)
* TRANSISTOR (NPN Type)
LED lights up both at 'C' & 'E' with a finger touching 'B'.
US DRIVER BLADE
(TIP) OPEN CLOSE
* TRANSISTOR (PNP Type) NOTES :
LED lights up at 'B' with a finger alternatively touching 1. The tester should not be used to test voltages above the rated voltage.
'C' & 'E'. 2. The LED indication can be impaired/dim in unfavorable lighting conditions.
(e.g. in sunlight) or in unfavorable positions.
3. The tester must be tested before use (SELF-TEST).
4. The tester must not be used in the presence of high humidity. (e.g. dew or rain).
5. The blade is the only part which may enter into contact with a live (hot) sample.
* IGNITION CHECK
Chauvin Arnoux® Inc. Other tester parts may only be used on insulated samples.
LED flashes consistently when the tester is moved
d.b.a. AEMC® Instruments 6. Do not use the tester if it is damaged in any way.
close to ignition wire with high voltage present.
15 Faraday Drive, Dover, NH 03820 7. Static electricity may be generated by rubbing the PLASTIC BODY thus causing
800-343-1391 • (603) 749-6434 false readings (LED indication).
www.aemc.com 8. Never modify any components/parts inside the tester.
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Continuity Test
Quick Operation Guide CAUTION : Be sure to disconnect any AC Mains or High Voltage !
Do not test continuity on a live circuit!
Initial Preparation 1. Polarity Check
Identifies the DC Polarity of Voltage (1.5-36VDC). Touch NEGATIVE (-) with
Self Test finger and POSITIVE (+) with test tip. LED lights up at POSITIVE (+) only.
LED Indicator
Prior to use, please perform a 'Self-Test' to ensure proper LED and battery operation. ii. High Voltage/Electrical Appliances / Hidden Wire Check
Detects high voltage, such as in a car ignition system, high voltage in transformer/
To 'SELF-TEST', touch the 'DRIVER-BLADE' with one Lights Up Does not Light up
wire. The LED will light up if the Earth/Ground is disconnected at the outlet or in
finger and the 'SENSING CAP' with the other hand. (Positive) (Negative)
the appliance.
Red LED light indicates a normal operation.
2. Electrical Check
Tests and verifies the connection of wires, plug sockets, fuses, bulbs, heaters/
AC Voltage Test heating elements, toasters, fans, etc. Easily identifies ‘Good’ or ‘Bad’ fuses,
bulbs etc.
1. Contact Method (70-250VAC)
When Testing, the 'TIP' must be in direct contact with the 'Live/Hot' part of the AC
Voltage. The Red LED lights up indicating the presence of AC Voltage.
Note: The Red LED will also light up at the Neutral or Earth/Ground output if
either is disconnected.
SENSITIVITY SELECT (AC VOLTAGE NON-CONTACT ONLY)
SENSITIVITY
For better sensitivity, touch the 'SENSING CAP' 3. Electronic Component Check
when testing. Tests, checks and identifies the condition of the Rectifier, Diode, Resistor,
Capacitor, Transistor, Cable, Computer Cable, PCB etc.
Caution : When in direct Contact Method mode, do not touch the ‘SENSING CAP’
of the tester. HIGH SENSITIVITY
To obtain the highest sensitivity and best visibility,
2. Non-Contact Method (70-600VAC) hold the tester 'TIP' and place the 'SENSING
Caution: Do not put ‘SENSING CAP’ or tip blade into contact with a live circuit. CAP’ towards the object being tested.
i. Identifying Polarity of AC Voltage
Hold the tester by the shaft as shown for Non-Contact testing of AC voltage.
To locate 'Live/Hot' side of wire, gently trace the Tester along the wire. 'Live/Hot' 4. Battery Test
side is indicated by the Red LED. The fault point in the 'Live/Hot' wire is indicated REDUCING THE SENSITIVITY Indicates the condition of a battery cell (1.5 volts and up). The battery is good
by a light interruption. Instantaneous finding of AC Voltage is also obtained by the To reduce the sensitivity, place your other hand on the when the LED lights up at the Positive (+) side, while a reverse indication
tester when placed near socket, plug, wire inside PVC conduit, etc. object being tested. (e.g. hold the wire insulation.) shows that the battery is weak or drained.
Does not light Lights up
Note : The sensitivity may be reduced in high up at negative at negative
humidity environment. terminal terminal
(Normal) (Weak/Drained)
Note : To increase the sensitivity, hold the tester by the TIP while testing.
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