Pressure
Digital Pressure Switch DPS-L131
Digital Pressure Switch DPS-L131
DPS-L131 is a high performance digital pressure switch adopts monocrystalline silicon sealing technology and integrated design. The sensor is located on the top of the body, away from the media contact surface, with mechanical isolation and thermal isolation and other functions. DPS-L131 can be applied to the extreme chemical environment, mechanical load and electromagnetic interference and other harsh industrial pressure measurement and control requirements.
DETAIL
Model: DPS-L131
Introduction
DPS-L131 is a high performance digital pressure switch adopts monocrystalline silicon sealing technology and integrated design. The sensor is located on the top of the body, away from the media contact surface, with mechanical isolation and thermal isolation and other functions.
DPS- L131 can be applied to the extreme chemical environment, mechanical load and electromagnetic interference and other harsh industrial pressure measurement and control requirements.
Features
■ 5-digit OLED highlight screen display, three-button control design
■ Switchable three display modes: Pressure value + unit／Percentage + pressure value + unit／SPn, pressure value and RPn
■ 350°rotatable head，180°flip screen, suitable to read from any angle
■ NPN／PNP switch signal output
■ RS485 signal output available
■ Various switchable pressure units
■ Save and track the measured data
■ Independent breathable cavity structure, isolate the gas-conducting end from the electronic room, reduce the impact of external temperature and humidity
■ Protection level IP67
Main Specifications
▼Pressure connection
Material: SS304／316
M20x1.5, G1/4”, G1/2”
1/4”NPT (F), 1/4”NPT (M)
1/2”NPT (F). 1/2”NPT (M)
▼Electrical connection
M12x1 4-pin aviation plug／M12x1 5-pin aviation plug
For more specifications please refer to the selection table
▼Pressure range
0…1kPa~40MPa
For details please refer to pressure range table
▼Analog output signal
4-20mA (Transmission distance <1000m)
▼Switch output signal
NPN／PNP
▼Digital output signal (option)
RS485
(Transmission distance <1200m)
▼Applicable media
Liquid and gas that compatible with pressure connection
▼Media temperature
-40 to 120℃
▼Ambient temperature
-40 to 85℃
▼Storage temperature
-40 to 85℃
▼Relative humidity
0…95%RH@40℃
▼Protection level
IP67
Other Specifications
▼Screen display
5-digit OLED screen
▼Screen size
23 x 13mm
▼Pressure unit
kPa, MPa, bar, psi, mmHg, mmH2O, mH2O, inH2O, ftH2O, inHg, mHg, Torr, mbar, g/cm2, kg/cm2, Pa, atm, mm, m
▼Power supply
12…30VDC
▼Rated current
≤60mA (4-20mA)
≤45mA (RS485)
▼Power consumption
≤1.44W (4-20Ma output)
≤1.08W (RS485 output)
▼Measuring element
Stainless steel welding with isolation diaphragm
Material: SS316／Hastelloy C
Inside liquid filling: Silicon oil
▼Stability
±0.2% F.S./ 5 years
▼Comprehensive accuracy
±0.25% F.S. (standard)
±0.1% F.S. (options)
▼Insulation resistance
≥20mΩ, 100VDC
▼Load resistance
< (Power supply-12)/ 0.06
▼Weight
About 1kg (Not include mounting brackets and threaded fittings)
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