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Digital Meter

Large Display Meter(Analog Input)

MODEL 4012

  • ■ Waterproof design (Protection grade IP65, wall pasting type)
  • ■ Usage of 56 mm clear and bright LED
  • ■ Mounting on wall or hang type
  • ■ Build-in sensor power supply

Operation manual

Standard Specifications

Model Designation

4012 - - - - - -

①Power Supply

Code Measuring Range Input Resistance Accuracy * Overload
03 ±1.9999 V 1 MΩ ±(0.1% of rdg + 2digit) DC ±250 V
04 ±19.999 V 1 MΩ ±(0.1% of rdg + 2digit) DC ±250 V
05 ±199.99 V 10 MΩ ±(0.1% of rdg + 2digit) DC ±500 V
09 1 to 5 V 1 MΩ ±(0.1% of rdg + 5digit) DC ±250 V
V1 0 to 1 V 1 MΩ ±(0.1% of rdg + 2digit) DC ±250 V
V2 0 to 5 V 1 MΩ ±(0.1% of rdg + 2digit) DC ±250 V
V3 0 to 10 V 1 MΩ ±(0.1% of rdg + 2digit) DC ±250 V
19 4 to 20 mA 13 Ω ±(0.1% of rdg + 5digit) DC ±150 mA
A1 0 to 1 mA 200 Ω ±(0.1% of rdg + 2digit) DC ±50 mA
* Accuracy:
Defined at 23 ± 5°C, 45 to 75% RH
Temperature coefficient:
±200 ppm/°C (Temp. range: 0 to 50°C)

②Power Supply

Code Power Source Voltage
3 AC 100 to 120 V
5 AC 200 to 240 V
9 DC 24 V

③Sensor power

Code Sensor Voltage Output Current
Blank No sensor power supply
3 DC 12 V ± 5% 150 mA
5 DC 24 V ± 5% 100 mA

④Mounting

Code Description Protection Degree
51 Wall-mount IP44
52 Hanging-mount IP44
53 Sticking-mount IP65

⑤Display Color

Code Specifications
Blank Red
G Green

⑥Option Function

Code Function
Blank null
A01 Display sampling 1 second
A02 Fixed 100 digit to 0
A03 Display sampling 1 second, Fixed 100 digit to 0
A05 with Peak hold Function(without Hold Function)

General Specifications

Protection degree IP44 (Wall-mount and Hanging-mount)
IP65 (Sticking-mount with water-proof works)
Display 0 to 19999 red or green LED (character height 56 mm) with zero-suppress function.
Unit display Optional unit display is possible.
Scaling function Full scale display -19999 to +19999 Offset display -19999 to +19999
Offset fixing function Function to fix a display reading of input less than offset value to the offset value.
Decimal point Programmable by the terminal plate (Not isolated from input).
Over-range display Flashing with 130% display. When exceeds 19999, flashing with 0000.
Resolution 1/20000
Display cycle Approx. 400ms
A/D conversion ⊿-∑ conversion system
Input configuration Single ended, floating input.
Noise rejection Normal mode (NMR): More than 50 dB
Common mode (CMR): More than 110 dB
Noise from power line: 1000 V
Hold function Measured data is held (Not isolated from input).
Insulation resistance DC 500 V  More than 50 MΩ
Withstand voltage
Input terminals - external case:
IAC 1500 V each for 1min.
Power supply terminals - external case:
IAC 1500 V each for 1min.
Power supply terminals - Input terminals:
IAC 1500 V each for 1min.
(DC power supply AC 500 V for 1min.)
Power supply AC 100 to 120 V, AC 200 to 240 V (50/60 Hz), DC 24 V
Tolerance of source voltage AC 85 to 132 V, AC 170 to 250 V, DC 20 to 30 V
Power consumption Approx. 6 VA at AC 100 V
Approx. 8 VA at AC 200 V
Approx. 100 mA at DC 24 V
(without sensor power source)
Operating temperature 0 to 50°C
Storage temperature -20 to 70°C
Weight Approx. 2.5 kg

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