Specifications
Note: Unspecified measuring conditions use an ambient temperature of + 68 °F.
Digital pressure switch
Type
Standard
High-pressure type
Item
Model
GS620-3W
Indication of pressure
Gauge pressure
Rated pressure range
−14.5 to +145 psi
Pressure setting range
−14.5 to +145 psi
Proof pressure
218 psi
Applicable media
Non-corrosive gas
Supply voltage
12 to 24 VDC ±10%, ripple P-P 10% or less
Power consumption
Normal operation: 720 mW or less (current consumption 30 mA or less at 24 V supply voltage)
ECO mode (at STD): 480 mW or less (current consumption 20 mA or less at 24 V supply voltage),
ECO mode (at FULL): 360 mW or less (current consumption 15 mA or less at 24 V supply voltage)
Comparative output
PNP transistor open collector
• Maximum inflowing current: 100 mA
• Applied voltage: 30 VDC or less (between comparative output
and 0 V)
• Residual voltage: 2 V or less (at inflowing current 100 mA, however, cable must be less than 78.7 in. long)
Output operation
Selectable, either NO or NC by key operation
Output mode
EASY mode/hysteresis mode/window comparator mode
Response differential (hysteresis)
Minimum 1 digit (variable)
Repeatability
± 0.2% F.S. (within ± 2 digits)
Response time
2.5 ms, 5 ms, 10 ms, 25 ms, 50 ms, 100 ms, 250 ms, 500 ms, 1000 ms, 5000 ms, selectable by key operation
Short circuit protection
Equipped
Display
4 4 digits, 3-color LCD display (display refresh rate: 250 ms, 500 ms, 1000 ms, selectable by key operation)
Displayed pressure range
−14.5 to +145 psi
Indicators
Orange LED
(comparative output 1 operation indicator, comparative output 2 operation indicator: Lights up when comparative output is ON)
En
vironmental resistance
Protective structure
IP40 (IEC)
Ambient temperature
14 to 122 °F, in storage: 14 to 140 °F
Ambient humidity
35 to 85% RH (however, no condensation or freezing), in storage: 35 to 85% RH
Dielectric strength
1000 VAC for one minute (between electrical connection part and case)
Insulation resistance
50 M
Ω
or over at 500 VDC meggers (between electrical connection part and case)
Vibration resistance
Endurance 10 to 500 Hz, total amplitude 0.118 in., 2 hours in each of the XYZ directions
(with panel mounting: Endurance 10 to 150 Hz, total amplitude 0.0295 in., 2 hours in each of the XYZ directions)
Shock resistance
Endurance 328 ft/s
2
(about 10 G), 3 times in each of the XYZ directions
Thermal characteristics
Within ±1% F.S. (reference at +68 °F)
Pressure port
M5×0.8mm female thread and NPT1/8 male thread
Materials
Case: PBT (fiberglass reinforced), LCD display: Acrylic, pressure port: SUS303,
mounting thread: brass (nickel plated), switches: silicon rubber
Connection method
Connectors
Wire length
Up to 328 ft long on a cable of 0.00047 in
2
. or larger
Mass
Approximately 1.41 oz
Accessories
78.7 in. cable with connector: 1 pc.
GS-620-3W
