CABAC T8229 운영 매뉴얼 - 페이지 7
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페이지 인쇄Input Impedance: 10MΩ
Max. Input Voltage: 1000V DC or 750V rms AC
- By μA, mA or A range:
Frequency response: 0 ~ 40kHz
Input current range: ≥1/4 of the rms AC for the range
(higher input voltage at higher frequency)
- Max. input current:
mA jack（μA ranges）: 4mA,
mA jack（mA ranges）: 400mA,
10A jack: 10A
- Overload protection:
μA、mA ranges: resettable fuses F1 500mA/250V
10A range: F2 10A/250V fuse (quick acting).
NOTE:
The range by DUTY of the Hz range is larger than that of the
voltage range or current range.
3.2.9 Relative Humidity（on RH and humidity display）
Range
Resolution
20 - 95%
0.1%
- Operating temperature: 0℃ to 40℃
- Sampling Period: ~20s.
- 20 -
DIGITAL MULTIMETER
3.2.12 Luminance（Lux）
Range
Range
Res
on
±（5.0% of reading + 10 digits）
Lux (4000)
1 Lux
at color temp. 2856K calibrated to
×10Lux
10Lux
(40000)
- Re eatability: ±2%.
3.2.13 Diode Test
Range e
esolution
1mV
- Forward DC current ~1mA
- Reversed DC voltage ~1.5V
-
verload Protection: 250V DC or rms AC
3.2.14 Continuity Test
Range
Built-in buzzer will sound if resistance is lower
than 40Ω.
-
pen circuit voltage ~0.5V
-
verload Protection: 250V DC or rms AC
- 22 -
DIGITAL MULTIMETER
Accuracy
± 5.0%RH
SPECIFICATION
Accuracy
standard incandescent lamp
Function
displaying
approximate
forward voltage of diode
unction
OPERAT
ING
INSTRUCTION
3.2.10 Temperature
3.2.10.1 Temperature（on sensor, thermoresistor NTC and
temperature display）
Range
Resolution
0.1℃
℃
0.1℉
℉
- Sampling Period: ~20s.
3.2.10.2 Temperature（on sensor, thermocouple and main
display）
Range
Resolution
-20℃ to 0℃
1℃
0℃ to 400℃
℃
400℃ to 1000℃
-4℉ to 32℉
1℉
32℉ to 752℉
℉
752℉ to 1832℉
- Overload protection: resettable fuses F1 500mA/250V.
3.2.11 Sound Level（dB）
Range
Resolution
40-100dB
0.1 dB
- Typical instrument frequency range: 100 ~ 8000Hz
DIGITAL MULTIMETER
4. .
ERATING 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、
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) )
e red lights at the "10A" and "COM" jacks will be off
after the test leads are plugged in.
2) ) he buzzer will sound upon misconnection of the test
leads in the "IN" or "mA" jacks to warn the user.
DIGITAL MULTIMETER
Accuracy
± 2℃
0℃ to 40℃
± 4℉
32℉ to 104℉
Accuracy
± 5.0% of reading or ± 3℃
± 1.0% of reading or ± 2℃
± 2.0% of reading
± 5.0% of reading or ± 6℉
± 1.0% of reading or ± 4℉
± 2.0% of reading
Accuracy
± 3.5%dB at 94dB, 1kHz sine
wave
- 21 -
SPECIFICATION
、
ranges:
- 23 -
OPERAT
ING
INSTRUCTION