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MANUAL RANGE DIGITAL MULTIMETER

FEATURES / DESCRIPTION
• 3½ DIGITS LCD; 2000 COUNTS
• LOW BATTERY INDICATION
• OVERLOAD PROTECTION
• SAFETY CAT II 600V
• MANUAL RANGE SELECTION
• DATA HOLD FUNCTION
• TRANSISTOR TEST FUNCTION
• BUZZER
• PROTECTIVE RUBBER HOLSTER

SOUNDTEOH

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$35.90

FUNCTION : MEASURING RANGE
VOLTAGE DC : 200mV / 2V / 20V / 200V / 600V
VOLTAGE AC : 200V / 600V
CURRENT DC : 200µA / 2mA / 20mA / 200mA / 10A
OHM : 200Ω / 2kΩ / 20kΩ / 200kΩ / 20mΩ
CONTINUITY : BUZZER SOUNDS AT LESS THAN 30Ω
DIODE :
OPEN VOLTAGE: 1.5V
HFE : 0 ~ 1000,
BASE CURRENT: 10uADC APPROX. (VCE=3V)
BATTERY :
1 x 9V
(BATTERY INCLUDED)

MODEL: ET-825
PACKING DIMENSION:
 L17cm x W5cm x H24cm

WEIGHT: 0.3KG

Voltage Measurements
1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive jack.
2. Turn the function switch to the VAC or VDC position.
3. Touch the test probes to the circuit under test and read the voltage on the display.
4. Reset the function switch to successively lower positions to obtain a higher resolution reading. If the polarity is reversed (DC voltage only), the display will show (-) minus before the value.

DC Current Measurements

CAUTION: Do not make current measurements on the 10A scale for longer than 15 seconds followed by a 15 minutes cool down period. Exceeding 15 seconds may cause damage to the meter and/or the test leads.


1. Insert the black test lead banana plug into the negative COM jack.
2. For current measurements up to 200mA DC, set the function switch to the 200mA DC position and insert the red test lead banana plug into the V/Ω/mA jack.
3. For current measurements up to 10A DC, set the function switch to the 10A DC range and insert the red test lead banana plug into the 10A jack.
4. Remove power from the circuit under test, then open up the circuit at the point where you wish to measure current.
5. 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. Apply power to the circuit.
7. Read the current on the display.

Resistance Measurements
1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive V/Ω/mA jack.
2. Set the function switch to the highest Ω position.
3. Touch the test probe tips across the circuit or part under test. It is best to disconnect one side of the part under test so the rest of the circuit will not interfere with the resistance reading.
4. Read the resistance on the display and then set the function switch to the lowest Ω position that is greater than the actual or any anticipated resistance.

Continuity Measurements
1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive V/Ω/mA jack. Observe polarity.
2. Turn the function switch to the position.
3. Touch the test probes to the circuit or device under test. If the resistance is less than approximately 30 Ω, the buzzer will sound.

Diode Measurements
1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive V/Ω/mA jack.
2. Turn the function switch to the position.
3. Touch the test probes to the diode under test. Forward voltage will indicate 0.4V to 0.7V. Reverse voltage will indicate “1. ”. Shorted devices will indicate near 0mV and an open device will indicate “1. ” in both polarities.

Data Hold
Press the HOLD button to freeze the reading on the display. “H” will appear in the LCD. Press the key again to release the display.

Low Battery
If the low battery icon appears on the display, replace the batteries to maintain proper operation.