FUNCTION : MEASURING RANGE
VOLTAGE DC : 400mV / 4V / 40V / 400V / 600V
VOLTAGE AC : 4V / 40V / 400V / 600V
CURRENT DC : 400µA / 4000µA / 40mA / 400mA / 4A / 10A
CURRENT AC : 400µA / 4000µA / 40mA / 400mA / 4A / 10A
OHM : 400Ω / 4kΩ / 40kΩ / 400kΩ / 4mΩ / 40mΩ
FREQUENCY : 9.999Hz / 99.99Hz / 999.9Hz / 9.999KHz / 99.99KHz / 999.9KHz / 9.999MHz
CAPACITANCE : 9.999nF / 99.99nF / 999.9nF / 9.999uF / 99.99uF / 999.9uF
TEMPERATURE : -20°C ~ 750°C & 4°F ~ 1400°F
CONTINUITY : BUZZER SOUNDS AT LESS THAN 40Ω±5Ω
DIODE : OPEN VOLTAGE: 3.2V
BATTERY : 1 x 9V (BATTERY INCLUDED)
MODEL: ET-845
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 V jack.
2. Turn the function switch to the V position.
3. Press the SELECT button to select either AC or DC.
4. Touch the test probes to the circuit under test and read the voltage on the display.
Current Measurements
CAUTION: Do not make high 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 400mA DC, set the function switch to the µA or mA position and insert the red test lead banana plug into the mA jack.
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.
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 Ω jack.
2. Set the function switch to the 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.
Capacitance Measurements
1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive CAP jack.
2. Turn the function switch to the position.
3. Touch the test probes to the circuit or device under test and read the capacitance on the display.
Frequency Measurements
1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive HZ jack.
2. Turn the function switch to the HZ position.
3. Touch the test probes to the circuit or under test and read the frequency on the display.
Temperature Measurements
1. Insert the type K thermocouple probe + into the Temp , K thermocouple probe – into the COM jacks.
2. Turn the function switch to the °C /°F position.
3. Read the temperature on the display.
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 40Ω±5Ω, 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 “OL”. Shorted devices will indicate near 0mV and an open device will indicate “OL” 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.
Auto-Ranging
The meter will auto range to the optimum range to provide the best resolution and accuracy for the input signal.
Auto Power Off
1. This meter will automatically shut off after approximately 15 minutes of operation. If the meter shuts off, rotate the function switch to OFF and on again (or press the HOLD button) to resume operation.
2. To disable the auto power off, hold the SELECT button while turning power on or press the SELECT button after auto power off has turned the meter off.