L120E

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L120 E

Key features

  • Chart width: 120mm
  • 1 and 2 channel version
  • mV, V and mA inputs
  • Separate electric pen lift per channel
  • Chart drive with grid function
  • Remote control for chart drive
  • Single chip hybrid technology
  • 16 chart speeds from 0,1 mm/min to 20 mm/sec
  • Long life fibre tip pens
  • Monitor output signal
  • Paper advance/rewind knob
  • Counter voltage (optional)
  • 4TC types and Pt100 (optional)

Technical specification

Number of channels 1- and 2-channel version
Chart width 120mm
Input ranges 1 – 2 – 5 – 10 – 20 – 50 – 100 – 200 mV, 0,5 – 1 – 2 – 5 – 10 – 20 – 50 V
Input type Asymmetric
Zero line adjustment Chart width ± 200%
Accuracy ±0,5 % or ±20 μV
Linearity ± 0.35%
Reproducibility ±0,35 %
Response time 0.2s full scale
Full scale deflection time ≈ 0,12 s
Pen speed ≈ 0,8 m/s
Pen lift Electric for both channels
Input impedance DC mV-ranges > 30 MOhm, V-ranges 2 MOhm, DC mA < 1 Ohm
Source impedance < 5 kOhm
Temperature drift mV-ranges ≈ 0,1 μV/°C, V-ranges ≈ 10 μV/°C
Overload protection <± 50 Vpp or <± 1.5 A

Chart drive

Chart speeds 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 mm/s or mm/min
Functions Electronic fast forward, manual forward/reverse

Safety

FCC rating VDE 0871 Class B

Power supply

AC voltage 115 / 230 V with external selector
Noise suppression Line filter
Range expansion Continuously adjustable up to 250 % of the selected range
Cut-off frequency ≈ 3,6 Hz Sine wave / - 3db
CMRR 130 db
50/60 Hz-damping 45 / 52 db
Dimensions (L x W x H) 350 x 260 x 125 mm