Shanghai Mingkong Sensing Technology Co., Ltd
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    No. 58 Yaojiabang Road, Baihe Industrial Zone, Qingpu District, Shanghai
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MD-S628E digital pressure switch
60mm stainless steel shell dual group relay output MD-S series digital pressure switch
Product details

MD-S628E is an intelligent digital pressure switch with a 60mm stainless steel casing, which integrates pressure measurement, display, and control into an economical digital pressure switch.

This series of pressure switches can be equipped with two normally open and normally closed alarm points, as well as two high and low pressure controls. In addition, it has multiple functions such as one key reset and switching between three display units.

The design of the circuit emphasizes stability and fully considers the actual situation of the automation site, with strong resistance to dry magnetic interference, surge protection, anti reverse connection protection, etc.

The operation method of this pressure switch is simple and intuitive. Simply set the action point and hysteresis according to the manual. The hysteresis of the two sets of relays can be set independently. According to the customer's site, only one group can be used for control, or both groups can be used together.



☆ 60mm shell made of 304 stainless steel, with 304 stainless steel joints

☆ Two sets of relay signals output independently, with each set normally open and normally closed, and independent hysteresis can be set

☆ Four digit LED real-time display of pressure, accurate and intuitive display

☆ One click switching of multiple pressure units and one click reset function

☆ Multiple wiring methods, can be used as controlsUse of controllers, switches, and digital electric contact pressure gauges


  • Pressure range: Normal range: 0-0.25... 0.6... 1... 6... 2.5... 4MPa

  • Micro pressure range: 0-5... 10... 25... 40... 60... 100kPa

  • High voltage range: 0-6... 10... 16... 25... 40... 60MPa

  • Chao High Voltage Range: 0-100... 160MPa 200MPa

  • Negative pressure range:- 0.1~0...0.1...0.250.4...0.6...1.0...1.6MPa

  • Differential pressure range: (0~10...25...40...60...100...250...400...600)kPa

  • (0~1...1.6)MPa

  • Overload capacity 150% (>10MPa) 200% (≤ 10MPa)

  • Output form: Relay output, normally open and normally closed

  • Output relay capacity 220V AC 3A

  • Power supply 12VDC; 24V DC;

  • The full range range can be set with control points and anti fluctuation hysteresis settings.

  • Accuracy 0.5% FS

  • Measure medium gases, water, and oil

  • Operating temperature -20~65 ℃

  • Interface size G1/2 (four-way water pipe thread)

  • M20 * 1.5 (pressure gauge interface)

  • G1/4 (dual branch thread)




Standard configuration: Product user manual, product certificate, outer packaging box

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