CEN-TECH ITEM 98674 Specifications download pdf (Page 13)

DIGITAL MULTIMETER

SPECIFICATION

NTS

3.2.12 Luminance Lux

Range Resolution

Accuracy

Lux (4000)

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

OPERATING INSTRUCTION

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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CEN-TECH ITEM 98674 Specifications Page 13

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