Specialized manufacturer of Digital Pressure Meters and Load Cells

VALCOM CO.,LTD.

 

Pressure Sensor with Sub-miniature LED Digital Display
VSS-□33 series
-101.3kPa–1MPa

  • Analog output 1 to 5 V and two open collectors included as standard.
  • RoHS-compliant and environmentally-friendly.
  • Pressure port selectable between bottom and back.
  • Hysteresis and window comparator modes can be selected.
  • Other functions (zero reset / security lock) included as standard.
  • Option: Unit change function included (support only overseas specification)
    * Please contact our sales office for further details.
Measured medium Air, nitrogen, argon or other noncorrosive gases.
Pressure type Positive, negative, and compound pressures can be measured.
Pressure range Can be selected from 4 ranges: −101.3 to 0kPa, ±100.0kPa, -101 to 500kPa, -0.100 to 1.000MPa

Specifications

Diaphragm Material Si (Silicon)
Media Air, nitrogen, argon or other noncorrosive gases.
Pressure Range Refer to the following table 1.
Safe Overload Rating Refer to the following table 1.
Repeatability ±0.2%F.S.±1digit or less
Temperature Characterisitic ±2%F.S. (0–50°C) 25°C as standard, within the ambient temperature range
Use Temperature Range 0–50°C (No freezing)
Ambient Humidity 35–85%RH (No condensation)
Display Display 3½digit 7 segments Red
Action indication OUT1: Green LED (Lit up when ON) OUT2: Red LED(Lit up when ON)
Output Response 2.5msec. or less (24msec., 192msec., 768msec. Adjustable)
Output Circuit 2 points of NPN Open collector output
(Maximun rating 80mA)
Analog output DC1–5V (±0.1V)
Output impedance 1kΩ
Linearity ±0.5%F.S.
IP Rating Equivalent to IP65
Power Voltage DC12–24V±10% or less, Ripple (Vp-p)10% or less
Vibration-proof 10–55Hz, Double amplitude: 1.5mm X,Y,Z 2 hours each
Shock-proof 980m/s2 X,Y,Z 3 times each
Anti-noise(Characterisitic) Vp-p400V, 10ms, 0.5┬Ás Measured by noise simulator
Pressure Port Rc1/8 Female (Material: Aluminum die-casting)
Consumption current 55mA or less
CE Marking EMC Directive, EN55022: 2006, ClassB, EN55024
Cable UL20276-compliant φ4-5 core ×0.15mm2 2m pigtail
RoHS Directive Europe RoHS directive conformity product
Weight Approx. 105g (Cable included)
Accessories Operating manual 1 copy (Specify English or Japanese.)
L3 mounting bracket, F3 mounting bracket, IP65 vent tube,
Unit labels, Adaptor for Mounting Panel(H option)

Table 1
Model
Pressure range
Unit Positive pressure Negative pressure Compound pressure
VSS-P33RC-NGA VSS-V33RC-NGA VSS-C33RC-NGA VSS-R33RC-NGA
Rated pressure range Pa −0.100–1.000MPa −101.3–0.0kPa −100.0–100.0kPa −101–500kPa
Setting pressure range/
Specifications pressure range
Pa −0.100–1.000MPa −101.3–10.0kPa −100.0–100.0kPa −101–500kPa
Safe overload rating MPa 1.5 0.3 0.8

Model Selection

Example

Option Adapter set for panel mounting

[Type] VSS-ACCH8

Selection Check Model Specifications
1.Model VSS Pressure Sensor with Sub-miniature LED Digital Display
2.Calibration   P33 Positive pressure: -0.100–1.000MPa
  V33 Negative pressure: -101.3–0.0kPa
  C33 Compound pressure: -100.0–100.0kPa
  R33 Compound pressure: -101–500kPa
3.Pressure Port Type/Size RC Rc1/8 Female
4.Output N 2 points of NPN Open collector
5.Cable Connection G Cable 2m pigtail type
6.Analog output A DC1–5V
(±0.1V)
P33 Pressure range: 1–5 V for the pressure range of 0–1 MPa
V33 Pressure range: 1–5 V for the pressure range of 0.0–-101.3 kPa
C33 Pressure range: 1–5 V for the pressure range of -100–100 kPa
R33 Pressure range: 1–5 V for the pressure range of -101–500 kPa

External dimensions (Unit: mm)

External dimensions
External dimensions

Option, Adapter set for panel mounting VSS-ACCH8(Unit: mm)

Option

Internal circuit diagram and Connection Example

Internal circuit diagram and Connection Example

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