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Model
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LM1/3/6-DV
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LM1/3/6-DA
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LM1/3/6-AV
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LM1/3/6-AA
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Size
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▪LM1 : 48(W) X 24(H) X 89(D) mm
▪LM3 : 96(W) x 48(H) x 68(D) mm
▪LM6 : 72(W) x 36(H) x 81(D) mm
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Power
Supply Voltage
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100 - 240 V a.c. 50/60 Hz (Voltage fluctuation rate : ±10%)
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Power Consumption
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▪LM1-N: Max. 4 VA ▪LM1-2R: Max. 5 VA
▪LM1-3N/3P: Max. 4 VA ▪LM1-RC: Max. 5 VA
▪LM1-RT: Max. 6 VA
▪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
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Input signal
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DC voltage
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DC current
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AC voltage / frequency
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AC current / frequency
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Input
range
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LM1 |
50 V / 10 V
5 V / 1 V
200 mV / 50 mV
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500 mA / 200 mA
50 mA / 4 - 20 mA
5 mA / 2 mA
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250 V / 110 V
50 V / 20 V
5 V / 2 V
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5 A / 2 A
500 mA / 200 mA
50 mA / 20 mA
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LM3 |
500 V / 100 V
50 V / 10 V
5 V / 1 V
200 mV / 50 mV
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5 A / 2 A
500 mA / 200 mA
50 mA / 4 - 20 mA
5 mA / 2 mA
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500 V / 250 V
110 V / 50 V
20 V / 10 V
2 V / 1 V
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5 A / 2 A
500 mA / 200 mA
50 mA / 20 mA
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LM6 |
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AC measurement method
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AVG / RMS selective measurement
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Input sampling cycle
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50 ms
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Input sampling method
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OVER sampling method using continuous approximation A / D converter
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Maximum allowable input
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F.S. of each input range 110 %
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Frequency measurement range
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0.2 ~ 9999 Hz (Frequency measurement range depends on the decimal point position)
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Display
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▪Negative-LCD ▪4 digit 2 rows ▪PV (White) ▪SV (Green)
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Character size
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▪LM1 : 10.2 X 4.0 mm▪LM3 : 17.6 x 10.6 mm ▪LM6 : 7.0 x 11.5 mm
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Maximum display
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-9999 ~ 9999
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Display degree
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▪[ 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
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▪[ 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
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Control output
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▪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. 50mA or less
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Relay
life
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LM1 |
▪Electrical (about 50,000 times, 250 V a.c. 5 A)
▪Mechanical (about 20 million times)
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LM3
LM6
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▪Electrical (about 100,000 times, 250 V a.c. 5 A)
▪Mechanical (about 5 million times)
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Optional
output
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External
input
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▪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
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4-20 mA
output
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▪Resolution : 10,000 sections
▪Response speed : 450 ms or less
▪Load resistance : 600 Ω or less
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Communication
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▪Communication protocol : Modbus-RTU
▪Communication method : RS-485 (2-wire half duplex)
▪Communication speed : 2400 / 4800 / 9600 / 19200 / 38400 bps
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Insulation Resistance
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100 ㏁ or more (500 V d.c. Mega standard, between conductive terminal and case)
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Withstand voltage
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2000 V a.c. 60 Hz 1 minute (between conductive terminal and case)
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Noise
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± 2 kV(Between operation power terminals, Pulse width = 1 us, Square wave noise by noise simulator)
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Vibration resistance
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10 - 55 ㎐, Single amplitude 0.5 ㎜, 3 - axis angular, 2 hours
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Certification
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LM1 |
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LM3
LM6
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Protection structure
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▪IP66 (front) ▪Terminal block protection cover applied
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Ambient temperature
and humidity
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-10 ~ 50 ℃, 35 ~ 85 % R.H.
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Storage temperature
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-20 ~ 65 ℃
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