Specialized manufacturer of Digital Pressure Meters and Load Cells


Discontinued (Other than 50 kPa, 50kPa abs)

Low Pressure Transmitter (Wetted Part: Equivalent to hastelloy C-22)
VHR3(G3) series
50kPa abs

  • Adoption of hastelloy C-22 equivalent diaphragm offers high corrosion resistance.
  • Diaphragm structure enables high accuracy measurement even in lower pressure range. (Non Linearity: ±0.2%R.C.)
  • Gauge pressure reference and absolute pressure reference available.
Measured medium Water, oil, gases or other media that will not corrode SUS316L and Hastelloy C-22 equivalent.
Pressure Type Positive, compound, negative and absolute pressures can be measured.
Measured Range Can be specified of 50 kPa (Calibration: 10 to 50kPa) of rated capacity.
Specify more than 50% of rated capacity as the calibration range.
Output type 4–20mA (2 wire system, 4 wire system),
Specify among 4 to 20 mA (2-wire, 4-wire), 1 to 5 V, 0 to 5 V, and 0 to 10 V.


Non Linearity ±0.2%R.C.
Hysteresis ±0.1%R.C.
Compensated Temperature Range
(Temperature of medium to be measured)
0–70°C (No condensation or freezing)
Safe Temperature Range
(Temperature of medium to be measured)
−20–80°C (No condensation or freezing)
Temperature Effect on Zero Balance ±1%R.C./0–70°C (At room temperature of 25°C)
Temperature Effect on Load ±1%R.C./0–70°C (At room temperature of 25°C)
Safe Overload Rating 300%R.C. (Gauge pressure: Negative pressure side 100%R.C.)
Ultimate Overload Rating 400%R.C. (Gauge pressure: Negative pressure side 100%R.C.)
Insulation Resistance 100MΩ or more (DC50V)
Pressure Port Material SUS316L (Diaphragm assembly: Hastelloy C-22)
Connection Screw Selectable: R3/8 and G3/8
Fastening Torque;Recommended 20N·m
Fastening Torque;Maximum 30N·m
Power Selectable: 4DC24V (±10%), 5DC12V (±10%)
*Only 24V DC available when analog output is A5
Cable 4- or 2-core shielded (oilproof) cable: 2m (Standard) φ6mm
Cable in tube is used for the gauge pressure model of waterproof connector and pigtail types.
Weight Approx. 200g (Cable not included)
Accessories Operating manual 1 copy (Specify English or Japanese.)
Test report 1 copy
P-20 4D(×1) (G screw only)

Model Selection


Selection Check Model Specifications
1.Model   VHR3 Low Pressure Transmitter
(Diaphragm material: Hastelloy C-22)
*Connection screw: R3/8
  VHG3 Low Pressure Transmitter
(Diaphragm material: Hastelloy C-22)
*Connection screw: G3/8
2.Analog output

A6 available for waterproof terminal box type
- - Output type Response frequency Safe load resistance Consumption current
  A2 1–5V 200Hz 5kΩ or more Approx. 23mA
  A3 4–20mA
DC24V: 500Ω or less/
DC12V: 250Ω or less
Approx. 40mA
  A4 0–5V 5kΩ or more Approx. 23mA
  A5 0–10V 5kΩ or more Approx. 23mA
  A6 4–20mA
DC24V: 500Ω or less/
DC12V: 150Ω or less
3.Calibration - - Rated capacity Example of calibration range
  See right table. Enter the range in the
  as it is.
50kPa 50kPa
(0–50) kPa
(-10–10) kPa
50kPa (abs)
(0–50) kPa abs
100kPa 100kPa
(0–100) kPa
(-50–50) kPa
100kPa (abs)
(0–100) kPa abs
(-100–100) kPa
200kPa 200kPa
(0–200) kPa
(-100–200) kPa
200kPa (abs)
(0–200) kPa abs
500kPa 500kPa
500kPa (abs)
(0–500)kPa abs
700kPa 700kPa
(0–700) kPa
(-100–700) kPa
700kPa (abs)
(0–700) kPa abs
Discontinued 100–700kPa
Successor model: [VAR3(G3)]
4.Cable Connection   N Standard connector Equivalent to IP40
  W Waterproof connector Equivalent to IP56
  S Pigtail Equivalent to IP54
  T Waterproof terminal box type Equivalent to IP55
*Applicable only when analog output is A6. Cable not included
5.Power   4 DC24V (±10%)
  5 DC12V (±10%) *Not available when analog output is A5
6.Length (Cable)   2m 2m Standard
  3m 3m
  5m 5m
  10m 10m
  □□m Other length
*Contact our sales office for other cable lengths.

External dimensions (Unit: mm)

*Refer to line connection here

External dimensions

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