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Yokogawa UR1B-045N

Product Type: 4-Channel Paper Chart Recorder (with paper)

Product Introduction:
The UR1B-045N is a 4-channel universal paper chart recorder from Yokogawa’s UR1B product line. It records process variables such as temperature, pressure, flow, and level on roll paper using thermal or ink-jet printing. The “045N” suffix indicates 4 channels with no alarm function.

Detailed content

Model Code Breakdown:

  • UR1B — Universal Recorder, 1/4 DIN size, paper chart type
  • 04 — 4-channel recording
  • 5 — 5-point recording (or specific range option)
  • N — No alarm function

Technical Specifications:

Parameter Value
Number of Channels 4 channels (simultaneous recording)
Recording Method Thermal pen recording on roll paper
Paper Width 100 mm (standard roll)
Recording Speed 10 mm/hr, 20 mm/hr, 40 mm/hr, 80 mm/hr (selectable)
Input Signals DC voltage (1–5V), DC current (4–20 mA, 0–10 mA), Thermocouple (J, K, T, E, R, S, B, N), RTD (Pt100, JPt100, Cu50)
Accuracy ±0.5% of F.S. (for DC input), ±0.4% of reading (for TC/RTD)
Display LED digital display for each channel (4 digits)
Power Supply 100–240 VAC, 50/60 Hz
Power Consumption ≤ 15 VA
Operating Temperature 0°C to +50°C
Enclosure Rating IP65 (front panel), NEMA 4X
Dimensions (W x H x D) 144 x 144 x 188 mm
Weight Approximately 2.3 kg
Alarm Function None (N suffix)

Functional Features:

  • 4-pen simultaneous recording on a single chart
  • 5-point round-robin recording capability (pen cycles through channels)
  • Digital display of current value for each channel on front panel
  • Scale programming via front-panel keys (no PC required)
  • Chart paper advance: Automatic with time-stamp printing
  • Retransmission output (optional, 4–20 mA mirror of selected channel)

Structural Features:

  • 1/4 DIN front panel size
  • Roll paper cassette at bottom
  • Pen cartridge access from front
  • Screw-terminal input connections (8 terminals for 4 channels)

Applicable Industries:

  • Water treatment plants
  • Food processing
  • Pharmaceutical batch recording
  • HVAC monitoring
  • Educational and laboratory settings

Installation Requirements:

  • Panel cutout: 138 x 138 mm
  • Mount in a location with ambient temperature ≤ +50°C
  • Use shielded cable for thermocouple inputs to minimize noise
  • Ensure roll paper is loaded correctly before power-on

Usage Precautions:

  • Replace recording pens when print quality degrades
  • Use the correct thermocouple type setting for accurate temperature measurement
  • Do not operate with the front cover removed while recording
  • Change roll paper only when the recorder is powered off

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