1 Lux
×10Lux
(40000)
10Lux
±
（
5.0% of reading + 10 digits
）
at color temp. 2856K calibrated to
standard incandescent lamp
- Repeatability: ±2%.
3.2.13 Diode Test
Range Resolution Function
1mV displaying approximate
forward voltage of diode
- Forward DC current ~1mA
- Reversed DC voltage ~1.5V
- Overload Protection: 250V DC or rms AC
3.2.14 Continuity Test
Range Function
Built-in buzzer will sound if resistance is lower
than 40Ω.
- Open circuit voltage ~0.5V
- Overload Protection: 250V DC or rms AC
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DIGITAL MULTIMETER
4. OPERATING INSTRUCTION
4.1 MISCONNECTION ALARM
The input jacks of the meter are equipped with sound and
light alarms against misconnection of test leads.
4.1.1 At V
、
Ω
、
Hz
、
Duty
、 、
ranges:
1
）
The red lights at the “IN” and “COM” jacks will be off
after the test leads are plugged in.
2
）
The buzzer will sound upon misconnection of the test
leads in the “mA” or “10A” jacks to warn the user. At
the same time, the lights at the “IN” and “COM” jacks
will flash to remind the user to plug in the test leads
there.
4.1.2 At µA
、
mA, TEMP ranges
：
1
）
The red lights at the “mA” and “COM” jacks will be off
after the test leads are plugged in.
2
）
The buzzer will sound upon misconnection of the test
leads in the “IN” or “10A” jacks to warn the user. At
the same time, the red lights at the “mA” and “COM”
jacks will flash to remind the user to plug in the test
leads there.
4.1.3 At 10A range
：
1) The red lights at the “10A” and “COM” jacks will be off
after the test leads are plugged in.
2) The buzzer will sound upon misconnection of the test
leads in the “IN” or “mA” jacks to warn the user.
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