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200µA
2000 µA
20mA
DC Current
(A DC)
200mA
10A
OVERLOAD PROTECTION: 200mA /250V fuse (10A range unfused)
MEASURING VOLTAGE DROP: 200mV.
200Ω
2000Ω
20kΩ
Resistance
200kΩ
2000kΩ
MAXIMUM OPEN CIRCUIT VOLTAGE: 2.8V
OVERLOAD PROTECTION: 15 seconds maximum 220Vrms on all ranges.
Display Voltage Drop Approximation
Diode Test
OVERLOAD PROTECTION: 15 seconds maximum 220Vrms Sounds alarm.
Built-in buzzer sounds if resistance is less than 100
•)))
Audible Continuity
OVERLOAD PROTECTION: 15 seconds maximum 220Vrms Sounds alarm.
hFE
Transistor hFE
Data Test
Overload Protection: 10 seconds max. 220Vrms.
6.
OPERATION
a
WARNING! Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and should be measured with great care.
‰
DO NOT measure voltages that might exceed 500 V above earth ground.
ALWAYS turn the function switch to the "OFF" position when the meter is not in use.
NOTE! On some low AC and DC voltage ranges, with the test leads not connected to a device, the display may show a random
reading. This is normal and is caused by the high-input sensitivity. The reading will stabilise and give a proper measurement when
connected to a circuit.
6.1.
DC VOLTAGE MEASUREMENTS
CAUTION: DO NOT measure DC voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that
can damage the meter.
6.1.1.
Set the function switch to the highest VDC position.
6.1.2.
Insert the black test lead banana plug into the negative (COM) jack. Insert the red test lead banana plug into the positive (V) jack.
6.1.3.
Touch the black test probe tip to the negative side of the circuit. Touch the red test probe tip to the positive side of the circuit.
6.1.4.
Read the voltage in the display. Reset the function switch to successively lower VDC positions to obtain a higher resolution reading.
The display will indicate the proper decimal point and value.
6.2.
AC VOLTAGE MEASUREMENTS
WARNING! Risk of Electrocution. The probe tips may not be long enough to contact the live parts inside some 240V outlets for
‰
appliances because the contacts are recessed deep in the outlets.
As a result, the reading may show 0 volts when the outlet actually has voltage on it. Make sure the probe tips are touching the metal
contacts inside the outlet before assuming that no voltage is present.
CC
C
C AUTION: DO NOT measure AC voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that
can damage the meter.
6.2.1.
Set the function switch to the highest VAC position.
6.2.2.
Insert the black test lead banana plug into the negative (COM) jack. Insert red test lead banana plug into the positive (V) jack.
6.2.3.
Touch the black test probe tip to the negative side of the circuit. Touch the red test probe tip to the positive side of the circuit.
6.2.4.
Read the voltage in the display. Reset the function switch to successively lower VAC positions to obtain a higher resolution reading.
6.3.
DC CURRENT MEASUREMENTS
CAUTION: DO NOT make current measurements on the 10A scale for longer than 30 seconds. Exceeding 30 seconds may cause
damage to the meter and/or the test leads.
6.3.1.
Insert the black test lead banana plug into the negative (COM) jack.
6.3.2.
For current measurements up to 200mA DC, set the function switch to the highest DC mA position and insert the red test lead banana
plug into the (mA) jack.
6.3.3.
For current measurements up to 10A DC, set the function switch to the 10A range and insert the red test lead banana plug into the
(10A) jack.
6.3.4.
Remove power from the circuit under test, then open up the circuit at the point where you wish to measure current.
6.3.5.
Connect test leads in series with the circuit under measurement.
6.3.6.
Apply power to the circuit.
6.3.7.
Read the current in the display. For mA DC measurements, reset the function switch to successively lower mA DC positions to obtain a
higher resolution reading. The display will indicate the proper decimal point and value.
6.4.
RESISTANCE MEASUREMENTS
WARNING! To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any resistance
‰
measurements. Remove the batteries and unplug the line cords.
6.4.1.
Set the function switch to the highest Ω position.
4.4.2.
Insert the black test lead banana plug into the negative (COM) jack. Insert the red test lead banana plug into the positive Ω jack.
© Jack Sealey Limited
100nA
1 µA
10µA
100µA
10mA
0.1Ω
1Ω
10kΩ
100Ω
1kΩ
Basic Current is Approx. 10µA., Vce is
0 ~ 1000
Approx. 3V
Original Language Version
±(2.0% reading + 2 digits)
±(2.2% reading + 2 digits)
±(2.0% reading + 2 digits)
±(1.8% reading + 5 digits)
±(1.8% reading + 2 digits)
±(2% reading + 2 digits)
Ω
MM19.V3 Issue:6 (H,F) 21/10/21
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