LG DM-341 User Manual

Adjustment and Test procedure Manual

for digital multimeter
Model: DM-341

LG Precision Co., Ltd.

1999/9/1 P/N:

Adjustment and test procedure Manual DM-341

Revision History

NO Modification ECN NO Date Name

Version 1.0 Page 2 of 11 LG Precision Co., Ltd.
Created : 1999/9/1
Modified :

Adjustment and Test procedure Manual DM-341

Rotary S/W

Transistor Socket

General Specifications of DM-341

Display: 4½ Digit Multimeter
Battery Life: Typical 200 hours
Operating Temperature: 0ºC ~ 40ºC (≤ 80% RH)

Storage temperature: -10ºC ~ 60ºC (≤ 70% RH)
Accuracy guaranteed temperature: 23ºC ± 5ºC (≤ 80% RH)
Maximum Reading Rate: 2 readings / second

Explanation of each part of DM-341

¨ç LCD Display
¨è Capacitor Zero Adjustment

Used for zero display adjustment in capacitor measure
mode.

¨é Power S/W
¨ê Rotary S/W

Used for selecting mode and range.

¨ë Capacitance Socket

Used for inserting capacitor to measure

¨ì Transistor Socket

Used for inserting transistor to measure

¨í Terminal Ω-V-Hz

Used for AC/DC voltage, Resistance and frequency
measure terminal

¨î Terminal COM

Used for common terminal

¨ï Terminal mA

Used for measuring DC/AC current below 200mA
current

¨ð Terminal 10A

Used for measuring DC/AC current below 10A

LCD Display

Power S/W

Terminal mA

Terminal 10A

Capacitor Zero Adjustment

Capacitor Socket

Terminal Ω-V-Hz

Terminal COM

Fig 1 - Front View of DM-341

Note
Adjustment and Test of DM-341 should be conducted under proper test environment.
Check operating temperature and relative humidity before adjustment and test.
Accuracy guaranteed temperature: 23ºC ± 5ºC (Below 80% RH)

Version 1.0 Page 3 of 11 LG Precision Co., Ltd.
Created : 1999/9/1
Modified :

Adjustment and Test procedure Manual DM-341

l Test Equipment List

DMM Calibrator: 1set Decade Resistor: 1 set
Decade Capacitor: 1set Signal Generator: 1set
DC Power Supply (0 ~ 12V) or 9V Battery

Version 1.0 Page 4 of 11 LG Precision Co., Ltd.
Created : 1999/9/1
Modified :