U-212

U-212
A portable type recorder responds to recording over 1 and 2 channels. It is compact, light weight, and easily portable.
A recorder is available in 1-pen and 2-pen specifications. Its effective recording width is 120mm. It is compact. It is of a solid-line recording type equipped with input amplifiers and pen mechanism parts in each channel.

U-212 Specs

Model U-212-1P-00 (1channel)
U-212-2P-00 (2channel)
External dimensions 280(W)×150(H)×200(D)mm (Projection things are not included.)
Mass 1P Approx. 4.6kg / 2P Approx. 5kg
Use environment
Temperature
  0to 45℃
Humidity
45to 85%RH (No dew condensation)
Power supply AC100V±10%,50Hz/60Hz
Operation method Automatic zero balancing DC-servo
Writing width 120mm
Measuring range 10 / 50 / 100 / 500mV
1 / 5 / 10 / 50V (8ranges)
Input Impedance 1MΩ (constant)
Input method Floating
Resistance Less than 10kΩ
Accuracy ±0.6% (23℃)
Linearity ±0.4% (23℃)
Dead band ±0.2%
Pen speed 0.5sec or less
Zero set range ±100% from reference point
Chart speed (1) 10, 15, 20, 30, 40, 60 : mm/h, cm/h, mm/min, cm/min
24 steps and 23 speeds
(10mm/min and 60cm/h are overlapping)
(2) Chart drive by External signal (Option) Chart speed
  : 1mm/min at 1Hz, 600Hz Max.
Input impedance
  : 4.7kΩ or more
External signal source Voltage
  : High level    +2V to +20V
  : Low  level +0.8V to  -20V (Operable at TTL level)
Signal waveforms
  : Pulse, sine wave, square wave, triangular wave, etc.
   (Pulse width 50µsec or more)
Pen lift Manually operated
Calibration voltage Built in voltage 50mV, Accuracy ±0.4%(23℃)
Torque reduction circuit Operates as pen shake protection device
Event marker Superimposing, Amplitude +3.5±1 graduation, Time 0.2 to 0.4sec
Noise rejection CMRR : DC 120dB or more AC(50/60Hz) 120dB or more
NMRR : AC(50/60Hz) 40dB or more
Power consumption(TYP.) 1Pen At balanced 18VA / Max. 23.6VA
2Pen At balanced 19VA / Max. 32.6VA
Insulation resistance Between power supply and chassis (GND)
  : 50MΩ or more (DC500V megger)
Between analog input and chassis (GND)
  : 100MΩ or more (DC500V megger)
Dielectric strength Between power supply and chassis (GND)
  : AC1000V for 1 minute
Between analog input and chassis (GND)
  : AC 500V for 1 minute
Recording paper Folding recording paper No.12002Z40 (Length 16mm, right zero)
Recording pen 1P NDA-5R(Red) / 2P NDK-18G(Green)
※Please use genuine products for recording paper. Any failure resulting from any recording paper other than genuine products are out of warranty.

Option

Current Shunt Adapter CSA-420

Adapter to measure 4 to 20 mA signal.
Using the built in 50 mV calibrate signal.

Application example

Application example of U-212

  • Records of maintenance of various equipment, including plants.
  • Various experiments at universities, research laboratories, and enterprises.