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이메일
wangguijiang@bjguancheng.com
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전화
18513000801
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주소
Room 104, Building C, Hongxianghong Enterprise Incubation Base, Beiqijia Town, Changping District, Beijing
Beijing Guancheng Measurement Technology Co., Ltd
wangguijiang@bjguancheng.com
18513000801
Room 104, Building C, Hongxianghong Enterprise Incubation Base, Beiqijia Town, Changping District, Beijing
Product Features
·A multifunctional electronic switch controlled by a microprocessor.
·Small and compact structural design, more suitable for the installation and use of general and specialized mechanical equipment.
·It has one 4-20mA analog two-wire signal output and two relay switch signal outputs.
·Equipped with a 4-digit digital display, it can display information for various operations.
·Adopting internationally renowned brand silicon piezoresistive pressure sensor, the high pressure range adopts non welded and non sealed ring, integrated processing
The micro melting pressure sensor of the structure achieves higher reliability.
Technical Parameter
·Measurement range
Relative pressure: minimum measurement range 0~7 kPa; Maximum measurement range 0~70 MPa
Negative relative pressure: minimum measurement range -10 kPa~+10 kPa
Maximum measurement range -1 MPa~+10 MPa
Absolute pressure: minimum measurement range 0~35 kPa; Maximum measurement range 0~4 MPa
·Measurement accuracy
0.5% FS or 0.2% FS (including linearity, hysteresis, and repeatability)
·Long term stability
Silicon piezoresistive sensor, ≤ 0.1% per year
Silicon piezoresistive micro melting sensor, annual ≤ 0.2%
Range above 4MPa, on-site digital display accuracy: 0.5%
·Allowable working temperature
Allowable medium temperature -25 ℃~+115 ℃
Allowable ambient temperature -20 ℃~+80 ℃
Allowable storage temperature -25 ℃~+120 ℃
·Temperature influence
Temperature compensation range: 0 ℃~+60 ℃ (special requirement -20 ℃~+80 ℃)
The zero point impact of the entire temperature range is ≤ 1%, and the impact of the entire temperature range based on 20 ℃ is ≤ 0.8%
·Signal output
Analog output: 4-20mA two-wire system 0-10V three wire system
Switching output:One or two PNP transistor outputs; 9-35VDC switch output
Switching current: ≤ 1.2A; hysteresis time: ≤ 0.1s
The switch pressure value and hysteresis value can be set through the panel buttons
·Process Connection
External thread M20 × 1.5, external thread G1/2A, stainless steel H17-4;
External thread G1/4A, external thread NPT1/4, stainless steel 304
·Allow work pressure
Pressure cycle: 10 million times; Switching cycle: 100 million times
·Anti vibration
2g
·Impact resistance
20g
·Working power supply
18-35VDC
·Allow overload
Three times the rated range of the silicon piezoresistive sensor
2 times the rated range of the micro melted silicon piezoresistive sensor
·Contact with medium
Silicon piezoresistive sensor 316L stainless steel micro melted silicon piezoresistive sensor
Partial materials
17-4 Stainless Steel Process Connection, Stainless Steel 304
·Non contact with the medium
Die cast aluminum shell with epoxy resin spray coating,
Partial materials
O-shaped nitrile rubber display,Plastic PVC
Exterior structure
Process connection
Electrical connection
Order Selection Table