Specialized manufacturer of Digital Pressure Meters and Load Cells



Vertical type Color Bar Graph Meter "RAINBAR" series
RV2/CV2 series

  • Display changes among red, orange and green, intuitively easy to see.
  • High accuracy thanks to the split-mounted 101-dot LED.
  • Easy-to-view color bar graph instead of digital display.
  • Supports various signal inputs for wide range of use.
  • Compact, low-cost, high brightness and easy-to-view design.
  • CE-compliant (option)
Input signal Specify among 1 to 5V, 4 to 20mA(4-wire, 2-wire), 0 to 5V, 0 to 10V.
Sensor specifications Select from Pressure Sensor Analog output type or output devices above.
Use Thermometer, pressure meter, load meter, level meter, flowmeter, tachometer, etc.


Form Vertical type
Display Bicolor LED for measurement: 101 dots
Bicolor LED for zero adjustment: 1 dot
Red LEDs for set value check 2 points
Input impedance 4–20mA: 10Ω
0–5V/1–5V/0–10V: 1MΩ or more
Sampling cycle Approx. 100 cycles/s
Response time 0.5s or less
Functions Brightness control, Zero/span adjustment
Accuracy ±1%±1digit
Operating temperature −5–55°C
Operating humidity 30–90%RH (No condensation)
Connections Terminal block (M3 screw)
Dimensions 36(W)×144(H)×103(D)
Weight Approx. 470g (Varies with specification)
Accessories Operation manual (1 copy)

Model Selection


Selection Cheak Model Specifications
1.Model   RV2 Zone color change, fixed color: Amber→Green→Red
  CV2 Total color change, fixed color: Amber→Green→Red
2.Mounting Direction   V Vertical mounting
  H Horizontal mounting
3.Alarm   2S 2-point alarm rated load AC250V 1A/DC30V 5A
  4S 4-point alarm rated load AC250V 1A/DC30V 5A
4.Power supply   4 DC24V(±15%) max.3.5W
  7 AC100〜240V(85〜264V) max.8VA
5.Input signal   A2 1–5V (input resistance 1MΩ or more)
  A3 4–20mA (input resistance 10Ω)
  A4 0–5V (input resistance 1MΩ or more)
  A5 0–10V (input resistance 1MΩ or more)
  A6 4–20mA (2-wire) (input resistance 250Ω, with excitation)
6.CE   Blank Without CE conformance
  CE With CE conformance
Display Scale     Left/Right The scale of the right and left of meter is specified.
(A mark goes into the meter left side when a specification range is one kind)

Dimensions (Unit: mm)

External dimensions

Terminal connection

Terminal connection

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