Model |
LM3/6-DV |
LM3/6-DA |
LM3/6-AV |
LM3/6-AA |
Size |
• LM3 : 96(W) X 48(H) X 68(D) mm • LM6 : 72(W) X 36(H) X 81(D) mm |
Power |
100 - 240 V a.c. 50/60 Hz |
Power Consumption |
• LM3-N: 6 VA or less • LM3-3R/3RC: 10 VA or less • LM3-3RT: 11 VA or less • LM3-3NC/3PC: 9 VA or less • LM3-3NT/3PT: 10 VA or less • LM6-N: 5 VA or less • LM6-3R: 7 VA or less • LM6-3N/3P: 5 VA or less • LM6-RC: 6 VA or less • LM6-RT: 7 VA or less |
Input signal |
DC voltage |
DC current |
AC voltage / frequency |
AC current / frequency |
Input range |
500 V / 100 V 50 V / 10 V 5 V / 1 V 200 mV / 50 mV |
5 A / 2 A 500 mA / 200 mA 50 mA / 4 - 20 mA 5 mA / 2 mA |
500 V / 250 V 110 V / 50 V 20 V / 10 V 2 V / 1 V |
5 A / 2 A 500 mA / 200 mA 50 mA / 20 mA |
AC measurement method |
AVG / RMS selective measurement |
Input sampling cycle |
50 ms |
Input sampling method |
OVER sampling method using continuous approximation A / D converter |
Maximum allowable input |
F.S. of each input range 110 % |
Frequency measurement range |
0.2 ~ 9999 Hz (Frequency measurement range depends on the decimal point position) |
Display |
• Negative-LCD • 4 digit 2 rows • PV (White) • SV (Green) |
Character size |
• LM3 : 17.6 X 10.6 mm • LM6 : 7.0 X 11.5 mm |
Maximum display |
-9999 ~ 9999 |
Display degree |
• [23 ℃ ± 5 ℃] - F.S. ± 0.1 % rdg ± 2 digit • [23 ℃ ± 5 ℃, 5 A] - F.S. ± 0.3 % rdg ± 3 digit • [50 ℃ ~ -10 ℃] - F.S. ± 0.5 % rdg ±3 digit |
• [23 ℃ ± 5 ℃] - F.S. ± 0.3 % rdg ±3 digit • [23 ℃ ± 5 ℃, frequency] - F.S. ± 0.1 % rdg ± 2 digit • [50 ℃ ~ -10 ℃] - F.S. ± 0.5 % rdg ± 3 digit |
Control output |
• Contact output : 3 stage, SPST (1a), 250 V a.c. 5 A • Solid state output: 3-stage, NPN or PNP open collector, 12 - 24 V d.c. 50 mA or less |
Relay life time |
• Electrical (about 100,000 times, 250 V a.c. 5 A) • Mechanical (about 5 million times) |
Optional output |
• Transmission output (4-20 mA) • RS-485 output |
External input |
• HOLD/ZERO Optional input • Non-voltage input • Short circuit impedance: 300 Ω or less • Residual voltage: 1 V or less • Impedance when open: 100 kΩ or more |
Communication |
• Communication protocol : Modbus-RTU • Communication method : RS-485 (2-wire half duplex) • Communication speed : 2400 / 4800 / 9600 / 19200 / 38400 bps |
Insulation Resistance |
100 ㏁ or more (500 V d.c. Mega standard, between conductive terminal and case |
Withstand voltage |
2000 V a.c. 60 Hz 1 minute (between conductive terminal and case) |
Noise |
± 2 kV(Between operation power terminals, Pulse width = 1 us, Square wave noise by noise simulator) |
Vibration resistance |
10 - 55 ㎐, Single amplitude 0.5 ㎜, 3-axis angular, 2 hours |
Protection structure |
• IP66 (front) • Terminal block protection cover applied |
Ambient temperature and humidity |
-10 ~ 50 ℃, 35 ~ 85% RH |
Storage temperature |
-20 ~ 65 ℃ |