Digital Display Vacuum Pressure Switch
& Transmitter
DPST-A*3V
Features
• *-color digital LCD display
• Parameter copy function
• Programmable pressure unit:
kPa、MPa、kgf/cm2、bar、psi、inHg、mmHg
• Dual LCD display allows parameter value to be
displayed
• Key lock indicator
• Power-save mode
Specifications
*Housing
*0**0**0.3mm
* Withstand pressure
**0kPa
* Fluid
Filtered air, Non-corrosive, Non-flammable gas
* Set pressure resolution
kPa: -
MPa: 0.**1
kgf/cm2: 0.*1
bar: 0.*1
psi: 0.*1
inHg: -
mmHg: -
* Power supply voltage
*2 to *4V DC±*0%, Ripple (P-P)*0% or less
* Current consumption
≦*0 mA (With no load)
* Switch output
NPN: open collector 2 outputs
Max. load current **5mA
Max. supply voltage *0V DC
Residual voltage ≦1.5V
PNP: open collector 2 outputs
Max. load current **5mA
Max. supply voltage *4V DC
Residual voltage ≦1.5V
* Repeatability
±0.2%F.S.±1 digit
* Hysteresis
One point set mode / Hysteresis mode / Window comparator mode:
Adjustable (*1)
* Response time
≦2.5ms (chattering-proof function:*5ms, **0ms, **0ms, **0ms,
***0ms and ***0ms selectable)
* Output short circuit protection
Yes
* 7 segment LED display
Main & unit display: 2 colors (Red/Green)
Sub-display: Orange(Sampling rate 5times /1sec.)
* Indicator accuracy
±2%F.S.±1 digit (Ambient temperature:*5±3°C)
* Switch ON indicator
Orange (1&2indicator) OUT1 OUT2
* Analog output (Voltage output) (*2)
Output voltage: 1~5V±2.5%.F.S. (within rated pressure
range)
Linearity: ±1%F.S.
Output impedance: about 1kΩ
* Analog output (Current output) (*3)
Output current: 4~*0mA±2.5%.F.S. (within rated pressure
range)
Linearity: ±1%F.S.
Max. Load Impedance: **0Ω at power supply of *2V / **0Ω at
power supply of *4V
Min. Load Impedance: *0Ω
* Environment
Ambient temp. range: Operation temperature: 0~*0°C / Storage
temperature: **0~*0°C (No condensation or freezing)
Ambient temp. range: Operation/Storage:*5~*5% RH (No
condensation)
Withstand voltage: ***0V AC *-min (between plastic case and
lead wire)
Insulation resistance: *0MΩ or more (**0V DC) (between plastic
case and lead wire)
Vibration: Total amplitude: 1.5mm, *0Hz~*5Hz~*0Hz scan for 1
minute, two hours each direction of X、Y、Z
Shock: **0m/s2(**0G), 3 times each in direction of X、Y、Z
* Temperature characteristics
±2%F.S (at temp. range of 0~*0°C)
* Port size
F1: R1/8, M5；F2: NPT 1/8,#****2 UNF；F3: G1/8(BSPP), M5
* Lead wire
Oil-resistance PVC cable (0.*5mm2)
* Weight
Approx. *0g (with 2 meter lead wire)
* Protection
IP*0
* Rated pressure range
0.0~***1.3 kPa
* Setting pressure range
*0.0~***1.3 kPa
*1. Hysteresis value is adjustable within **8 digits for one
point set mode and window comparator mode.
*2. If analog voltage output is selected, the analog current
output cannot be selected at the same time. You can only choose
either voltage or current output.
*3. If analog current output is selected, the analog voltage
output cannot be selected at the same time. You can only choose
either voltage or current output.
